Check valve Types NRV and NRVH
|
|
|
- Kelley Strickland
- 5 years ago
- Views:
Transcription
1 Check valve s NRV and NRVH NRV and NRVH can be used in liquid. suction and hot gas lines in refrigeration and air conditioning plant with HCFC. HFC and HC flammable refrigerants. The valves ensure the correct flow direction and prevent back-condensation from a warm part of the system to the cold evaporator. A built-in damping piston makes the valves suitable for installation in lines where pulsation can occur. e. g. in the discharge line from the compressor. Features y Ensure correct flow direction. y Available in both straightway and angleway versions. y Prevents back-condensation from warm to cold system part. y Solder versions are compliant with ATEX hazard zone. y Built-in damping piston that makes the valves suitable for installation in lines where pulsation can occur. e.g. in the discharge line from the compressor. y In refrigeration plants with compressors connected in parallel. it is advantageous to use NRVH. since the spring is stronger than in NRV. y Oversize connections provide flexibility in use. DKRCC.PD.FE0.A5.0 / 50H979
2 Approvals Technicala data Refrigerants HCFC. HFC and HC flammable refrigerants Media temperature range C / F Max. working pressure (PS/MWP) 46 bar (667 psig) Note: Only solder version. Connection sizes from 6 s to 9 s are allowed for flammable refrigerant. Dimensioning and selection When selecting the right Danfoss check valve the capacity tables on page 4 and 5 should be utilised together with plant requirements concerning piping and connection sizes. The optimum solution should include the highest capacity at lowest pressure drop across the valve before it closes. Further. when dimensioning and selecting Danfoss check valves for mounting into the compressor discharge line. it is important to be aware of the following: The differential pressure across the valve must always be higher than the given minimum pressure drop at which the valve is completely open. This also applies to lowest capacities for compressor with capacity regulation. In refrigeration plants with compressors connected in parallel. it is advantageous to use NRVH. since the spring is stronger than the one utilised in NRV. Also. resonance problems can be avoided at partial load in the refrigerant plant. Ordering Straightway Flare Version without union Valve type Connection type Connection Pressure drop across valve Δp ) K v value 3 ) (calculated value) C v value 3 ) (calculated value) Code no. [psi] [m 3 /h] [gal/min] NRV 6 Straight-way - flare NRV 0 Straight-way - flare NRV Straight-way - flare NRV 6 Straight-way - flare NRV 9 Straight-way - flare Angleway Solder ODF Version Valve type Connection type Connection Pressure drop across valve Δp ) K v value 3 ) (calculated value) C v value 3 ) (calculated value) Code no. [psi] [m 3 /h] [gal/min] NRV s Angle-way - solder NRVH s Angle-way - solder NRV s ) Angle-way - solder Angle-way - solder NRVH s ) Angle-way - solder Angle-way - solder NRV 8s Angle-way - solder Angle-way - solder NRVH 8s Angle-way - solder Angle-way - solder NRV 8s ) Angle-way - solder NRVH 8s ) Angle-way - solder NRV 35s Angle-way - solder NRVH 35s Angle-way - solder NRV 35s ) Angle-way - solder Angle-way - solder NRVH 35s ) Angle-way - solder Angle-way - solder ) Oversize connections. ) p = the minimum pressure at which the valve is completely open. The NRVH with a stronger spring is used in the discharge line from compressors connected in parallel. 3 ) The K v / C v value is the flow of water in [m 3 /h gal/min] at a pressure drop across valve of bar / 4.5 psig. ρ = 000 kg/m 3-05 lbs/g. DKRCC.PD.FE0.A5.0 / 50H979 Danfoss A/S (DCS-IMCGPD/sw), 05-0
3 Ordering (continued) Straightway Solder ODF Version Valve type Connection type Connection Pressure drop across valve Δp ) K v value 3 ) (calculated value) C v value 3 ) (calculated value) Code no. [psi] [m 3 /h] [gal/min] NRV 6s Straight-way - Solder Straight-way - Solder NRV 6s ) Straight-way - Solder Straight-way - Solder NRVH 6s ) Straight-way - Solder Straight-way - Solder NRV 0s Straight-way - Solder Straight-way - Solder NRVH 0s Straight-way - Solder Straight-way - Solder NRV 0s ) Straight-way - Solder Straight-way - Solder Straight-way - Solder NRVH 0s ) Straight-way - Solder NRV s Straight-way - Solder Straight-way - Solder NRVH s Straight-way - Solder Straight-way - Solder NRV s ) Straight-way - Solder NRVH s ) Straight-way - Solder NRV 6s Straight-way - Solder NRVH 6s Straight-way - Solder NRV 6s ) Straight-way - Solder NRVH 6s ) Straight-way - Solder NRV 6s ) Straight-way - Solder NRVH 6s ) Straight-way - Solder NRV 9s Straight-way - Solder NRVH 9s Straight-way - Solder NRV 9s Straight-way - Solder NRVH 9s Straight-way - Solder NRV 9s ) Straight-way - Solder NRVH 9s ) Straight-way - Solder ) Oversize connections. ) p = the minimum pressure at which the valve is completely open. The NRVH with a stronger spring is used in the discharge line from compressors connected in parallel. 3 ) The K v / C v value is the flow of water in [m 3 /h gal/min] at a pressure drop across valve of bar / 4.5 psig. ρ = 000 kg/m 3-05 lbs/g. Danfoss A/S (DCS-IMCGPD/sw), 05-0 DKRCC.PD.FE0.A5.0 / 50H979 3
4 Capacity The suction vapour capacities are based on liquid temperature t l = 5 C ahead of the evaporator. The table values refer to the evaporator capacity. The capacities are based on dry. saturated vapour ahead of the valve. Under operating conditions with superheated vapour ahead of the valve. the capacities are reduced by 4% for every 0 K superheat. Suction vapour capacity in [kw] Pressure Suction vapour capacity at pressure drop across valve p drop kw at evaporating across temperature t o NRV NRV/NRVH valve p [ C] ) ) 30 0 ) +5 R R NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH R34a R34a NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH R404A/R507 R404A/R507 NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH ) Capacity for NRVH. Correction factors When selecting the evaporator capacity is to be multiplied by a correction factor depending on the liquid temperature t l ahead of the valve/the evaporator. The corrected capacity can then be found from the table. Correction factors for liquid temperature t l t l [ C] R R34a R404A/R DKRCC.PD.FE0.A5.0 / 50H979 Danfoss A/S (DCS-IMCGPD/sw), 05-0
5 Capacity (continued) The suction vapour capacities are based on liquid temperature te = 5 C ahead of the evaporator. The table values refer to the evaporator capacity. The capacities are based on dry. saturated vapour ahead of the valve. Under operating conditions with superheated vapour ahead of the valve. the capacities are reduced by 4% for every 0 K superheat. Suction vapour capacity in [kw] Pressure Suction vapour capacity at pressure drop across valve p drop kw at evaporating across temperature t o NRV NRV/NRVH valve p [ C] ) ) 30 0 ) +5 R407A R407A NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH R407C R407C NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH R407F R407F NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH R40A R40A NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH ) Capacity for NRVH. Correction factors When selecting the evaporator capacity is to be multiplied by a correction factor depending on the liquid temperature t l ahead of the valve/the evaporator. The corrected capacity can then be found from the table. Correction factors for liquid temperature t l t l [ C] R407A R407C R407F R40A Danfoss A/S (DCS-IMCGPD/sw), 05-0 DKRCC.PD.FE0.A5.0 / 50H979 5
6 Capacity (continued) The suction vapour capacities are based on liquid temperature t l = 5 C ahead of the evaporator. The table values refer to the evaporator capacity. The capacities are based on dry. saturated vapour ahead of the valve. Under operating conditions with superheated vapour ahead of the valve. the capacities are reduced by 4% for every 0 K superheat. Suction vapour capacity in [kw] Pressure Suction vapour capacity at pressure drop across valve p drop kw at evaporating across temperature t o NRV NRV/NRVH valve p [ C] ) ) 30 0 ) +5 R3 R3 NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH R90 R90 NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH R600 R600 NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH R600a R600a NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH ) Capacity for NRVH. Correction factors When selecting the evaporator capacity is to be multiplied by a correction factor depending on the liquid temperature t l ahead of the valve/the evaporator. The corrected capacity can then be found from the table. Correction factors for liquid temperature t l t l [ C] R R R R600a DKRCC.PD.FE0.A5.0 / 50H979 Danfoss A/S (DCS-IMCGPD/sw), 05-0
7 Capacity Hot gas capacity in [kw] at pressure drop across valve p NRV NRV/NRVH R Hot gas capacity in [kg/s] Press. drop across valve p Suction vapour capacity kw at evaporating temperature t o [ C] ) ) 30 0 ) +5 R NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH R34a R34a NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH R404A/R507 R404A/R507 NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH ) The hot gas capacities are based on condensing temp. An increase of the hot gas temperature of 0 K will reduce the valve capacity approx. % and vice versa. y Condensor temperature, t c = 30 C. y Subcooling t sub = 5 K. y Evaporating temperature, t e = -0 C. y Hot gas temperature, t h = 60 C ahead of valve. 3 ) Capacity for NRVH. Danfoss A/S (DCS-IMCGPD/sw), 05-0 DKRCC.PD.FE0.A5.0 / 50H979 7
8 Capacity (continued) Hot gas capacity in [kw] Hot gas capacity in [kg/s] at pressure drop across valve p Press. drop Suction vapour capacity kw at evaporating across temperature t o NRV NRV/NRVH valve [ C] p ) ) 30 0 ) +5 R407A R407A NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH R407C R407C NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH R407F R407F NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH R40A R40A NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH ) The hot gas capacities are based on condensing temp. y Condensor temperature, t c = 30 C. An increase of the hot gas temperature of 0 K will reduce the valve capacity approx. % and vice versa. y Subcooling t sub = 5 K. y Evaporating temperature, t e = -0 C. y Hot gas temperature, t h = 60 C ahead of valve. 3 ) Capacity for NRVH. Note: For capacity calculation of other refrigerants, please contact Danfoss. 8 DKRCC.PD.FE0.A5.0 / 50H979 Danfoss A/S (DCS-IMCGPD/sw), 05-0
9 Capacity (continued) Hot gas capacity in [kw] Hot gas capacity in [kg/s] at pressure drop across valve p Press. drop Suction vapour capacity kw at evaporating across temperature t o NRV NRV/NRVH valve [ C] p ) ) 30 0 ) +5 R3 R3 NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH NRV/NRVH R90 R90 NRV/H NRV/H NRV/H NRV/H NRV/H NRV/H NRV/H NRV/H NRV/H NRV/H NRV/H NRV/H NRV/H NRV/H NRV/H NRV/H R600 R600 NRV/H NRV/H NRV/H NRV/H NRV/H NRV/H NRV/H NRV/H NRV/H NRV/H NRV/H NRV/H NRV/H NRV/H NRV/H NRV/H R600a R600a NRV/H NRV/H NRV/H NRV/H NRV/H NRV/H NRV/H NRV/H NRV/H NRV/H NRV/H NRV/H NRV/H NRV/H NRV/H NRV/H ) The hot gas capacities are based on condensing temp. y Condensor temperature, t c = 30 C. An increase of the hot gas temperature of 0 K will reduce the valve capacity approx. % and vice versa. y Subcooling t sub = 5 K. y Evaporating temperature, t e = -0 C. y Hot gas temperature, t h = 60 C ahead of valve. 3 ) Capacity for NRVH. Note: For capacity calculation of other refrigerants, please contact Danfoss. Danfoss A/S (DCS-IMCGPD/sw), 05-0 DKRCC.PD.FE0.A5.0 / 50H979 9
10 Dimensions and weights NRV 6 9 L S Flare straightway connection - SI Units Size L Spanner flats S Net weight [kg] NRV NRV NRV NRV NRV Flare straightway connection - US Units Size L Spanner flats S Net weight [lbs.] NRV NRV NRV NRV NRV DKRCC.PD.FE0.A5.0 / 50H979 Danfoss A/S (DCS-IMCGPD/sw), 05-0
11 Dimensions and weights NRV 6s 9s / NRVH 6s 9s Solder straightway connection - SI Units Size L L ød Net weight [kg] NRV/NRVH 6s NRV/NRVH 6s ) NRV/NRVH 0s NRV/NRVH 0s ) NRV/NRVH s NRV/NRVH s ) NRV/NRVH 6s NRV/NRVH 6s ) NRV/NRVH 9s NRV/NRVH 6s ) NRV/NRVH 9s NRV/NRVH 9s ) Solder straightway connection - US Units Size L L ød Net weight [lbs] NRV/NRVH 6s NRV/NRVH 6s ) NRV/NRVH 0s NRV/NRVH 0s ) NRV/NRVH s NRV/NRVH s ) NRV/NRVH 6s NRV/NRVH 6s ) NRV/NRVH 9s NRV/NRVH 9s ) ) Oversize connections. Danfoss A/S (DCS-IMCGPD/sw), 05-0 DKRCC.PD.FE0.A5.0 / 50H979
12 Dimensions and weights NRV s 35s / NRVH s 35s Solder angleway connection - SI Units Size H H L L ød Net weight [Kg] NRV/NRVH s NRV/NRVH s ) NRV/NRVH 8s NRV/NRVH 8s ) NRV/NRVH 35s NRV/NRVH 35s ) Solder angleway connection - US Units Size H H L L ød Net weight [lbs.] NRV/NRVH s NRV/NRVH s ) NRV/NRVH 8s NRV/NRVH 8s ) NRV/NRVH 35s NRV/NRVH 35s ) ) Oversize connections. DKRCC.PD.FE0.A5.0 / 50H979 Danfoss A/S (DCS-IMCGPD/sw), 05-0
Tube-in-tube heat exchanger Type HE
MAKING MODERN LIVING POSSIBLE Data sheet Tube-in-tube heat exchanger Type HE Tube-in-tube heat exchanger type HE is used primarily for heat transfer between the liquid and suction lines of the refrigeration
Hot gas bypass regulator, type CPCE Liquid gas mixer, type LG (accessory)
Data sheet Hot gas bypass regulator, type CPCE Liquid gas mixer, type LG (accessory) CPCE hot gas bypass regulator adapt compressor capacity to actual evaporator load. They are designed for installation
Capacity regulators, type CPCE and LG REFRIGERATION AND AIR CONDITIONING. Technical leaflet
Capacity regulators, type CPCE and LG REFRIGERATION AND AIR CONDITIONING Technical leaflet Introduction CPCE capacity regulators adapt compressor capacity to actual evaporator load. They are designed for
Tube-in-tube heat exchanger Type HE
Data sheet Tube-in-tube heat exchanger Type HE Tube-in-tube heat exchanger type HE is used primarily for heat transfer between the liquid and suction lines of the refrigeration plant. The purpose is to
RD refrigerant distributors, for thermostatic expansion valves REFRIGERATION AND AIR CONDITIONING. Technical leaflet
RD refrigerant distributors, for thermostatic expansion valves REFRIGERATION AND AIR CONDITIONING Technical leaflet Introduction RD refrigerant distributors distribute liquid refrigerants from the thermostatic
General information on refrigerant controllers
General information on refrigerant controllers Condensing pressure controller The condensing or condenser pressure controller is a back pressure controller and its task is to maintain the condensing pressure
Liquid Distributor Type RD
MAKING MODERN LIVING POSSIBLE Data sheet Liquid Distributor Type RD The RD refrigerant distributors distribute liquid refrigerants from the thermostatic expansion valve to individual sections of the evaporator.
Flexible. Upgrade and service with ease Extend lifetime with modular design. Thermostatic expansion valves Type TE5-55
MAKING MODERN LIVING POSSIBLE Upgrade and service with ease Extend lifetime with modular design Thermostatic expansion valves Type TE5-55 Flexible Upgrade with backward compatible valve technology. Mix
Capacity regulator (hot gas bypass), type TUH/TCHE/TRHE REFRIGERATION AND AIR CONDITIONING. Technical leaflet
Capacity regulator (hot gas bypass), type TUH/TCHE/ REFRIGERATION AND AIR CONDITIONING Technical leaflet Contents Page Introduction........................................................................................3
FSW SECTION. Product guide. Expansion Valves, Solenoid Valves Water Valves & Oil Pressure Switches F SECTION. 71
FSW Product guide F SECTION Expansion Valves, Solenoid Valves Water Valves & Oil Pressure Switches For more information visit www.fsw.uk.com 71 Danfoss Expansion Valves T* Range - Order valve and orifice
Product Catalog VALVES
SUIKA CLIMATE Product Catalog VALVES CONTACT WEB Info@suikaclimate.com ADDRESS Fremont, CA, 94555 TELEPHONE +1 (800) 625 0589 +1 (510) 859 8003 Suika Climate Toeflex ABOUT US Suika Climate (US), Toeflex
MAKING MODERN LIVING POSSIBLE. Thermostatic expansion valves, type TR 6 REFRIGERATION & AIR CONDITIONING DIVISION.
MAKING MODERN LIVING POSSIBLE Thermostatic expansion valves, type REFRIGERATION & AIR CONDITIONING DIVISION Technical leaflet Technical leaflet Thermostatic expansion valves, type Contents Page Introduction........................................................................................3
Filter Driers with Replaceable Core
STANDARD Filter Driers with Replaceable Core The filter driers with replaceable core (HTG series) are used in liquid line and suction line of refrigerating, freezing and air conditioning system. The filter
Thermostatic Expansion valves, type TUA/TUAE REFRIGERATION AND AIR CONDITIONING. Technical leaflet
Thermostatic Expansion valves, type A/AE REFRIGERATION AND AIR CONDITIONING Technical leaflet Thermostatic expansion valves, type A/AE Contents Page Introduction... Features... Standard range... Technical
Pressure switch KPU. Data sheet
Data sheet Pressure switch KPU The KPU switches are designed for use in refrigeration and air-conditioning systems to protect the systems from excessively low suction or too high discharge. They can also
Thermostatic Expansion Valves Type TR 6
MAKING MODERN LIVING POSSIBLE Data sheet Thermostatic Expansion Valves Introduction The series is a hermetic tight design, designed and developed with features especially for use in applications such as:
Zero ODP and negligible GWP when using hydrocarbons. Zero. portfolio for hydrocarbons.
Danfoss components for hydrocarbon refrigeration Leapfrog Extensive to a portfolio long-term and solution expertise with for safe Danfoss and optimised wide product use of hydrocarbons portfolio for hydrocarbons
Refrigeration and Air Conditioning Controls. Applications. PM Modulating pressure and temperature regulators REFRIGERATION AND AIR CONDITIONING
Refrigeration and Air Conditioning Controls Applications PM Modulating pressure and temperature regulators REFRIGERATION AND AIR CONDITIONING Introduction Danfoss PM regulators have been on the market
MAKING MODERN LIVING POSSIBLE. One valve for all purposes. TGE - thermostatic expansion valves REFRIGERATION & AIR CONDITIONING DIVISION
MAKING MODERN LIVING POSSIBLE One valve for all purposes TGE - thermostatic expansion valves REFRIGERATION & AIR CONDITIONING DIVISION TGE: reliable, environmentally -friendly and easy to use Danfoss Refrigeration
Thermostatic expansion valves for ammonia Type TEA
Data sheet Thermostatic expansion valves for ammonia Type TEA Thermostatic expansion valves regulate the injection of refrigerant liquid into evaporators. Injection is controlled by the refrigerant superheat.
MAKING MODERN LIVING POSSIBLE. Check valve for EVRA, EVRAT and PM valves in liquid lines type NRVS. Technical brochure
MAKING MODERN LIVING POSSIBLE Check valve for EVRA, EVRAT and PM valves in liquid lines type NRVS Technical brochure Introduction NRVS NRVS mounted on PM and EVRA valve Check valve type NRVS has no damping
OIL SEPARATORS APPLICATIONS
OIL SEPARATORS APPLICATIONS The oil separators, shown in this chapter, are classified Pressure vessels in the sense of the Pressure Equipment Directive 97/23/EC, Article 1, Section 2.1.1 and are subject
Low Pressure Sight Glass Up to 35 bar MWP Type SG
MAKING MODERN LIVING POSSIBLE Technical brochure Low Pressure Sight Glass Up to 35 bar MWP Type SG www.danfoss.com Introduction Sight glasses are used to indicate:. The condition of the refrigerant in
Refrigerants and lubricants
Refrigerants and lubricants GENERAL INFORMATION When choosing a refrigerant, different aspects must be taken into consideration: Legislation (now and in the future) Safety Application envelope in relation
Figure 1: Schematic of internal heat exchanger vapor-injection cycle
Vapor-injection technique Development Guideline 1. Introduction This guideline shows the advantage and characteristics of Mitsubishi vapor injected-scroll compressor. The vapor injected-scroll compressor
Pressure Enthalpy Charts
Pressure Enthalpy Charts What is a p-h Diagram? A p-h diagram is a diagram with a vertical axis of absolute pressure and a horizontal axis of specific enthalpy. "Enthalpy is the amount of energy in a substance
y Small dimensions. Easy to install in refrigerated counters or cold rooms
MAKING MODERN LIVING POSSIBLE Data sheet Thermostat Type KP The KP Thermostats are temperaturecontrolled electrical switches. All KP Thermostats have a single pole double throw (SPDT) changeover switch.
THERMAL SOLUTIONS COAXIAL HEAT EXCHANGERS WKE, WKC
THERMAL SOLUTIONS COAXIAL HEAT EXCHANGERS WKE, WKC COAXIAL HEAT EXCHANGERS WKE, WKC APPLICATIONS Wieland coaxial heat exchangers are used as evaporators (WKE) or as condensers (WKC). They consist of one
Revolutionary ETS Colibri valves Engineered to give you maximum flexibility and dependability
Revolutionary ETS Colibri valves Engineered to give you maximum flexibility and dependability ETS Colibri brings to the market one of a kind, uniquely designed electric expansion valve. Innovative Design
FSW. Product guide. Driers and Sight Glasses CSECTION For more information visit
FSW Product guide CSECTION Driers and Sight Glasses For more information visit www.fsw.uk.com 47 Copper Spun Driers Suitable for HFC, CFC and HCFC. CODE MODEL SIZE CONNECTIONS C440 MSCD-5-3 5 Gram 3/16"
10/4/2013. The Changing State of Refrigerants
10/4/2013 The Changing State of Refrigerants Refrigerant Chemistry CFC = Chlorofluorocarbon Rapid phase-out Stopped U.S. production in 1996 R-11, R-12, R-113, R-114, R-500, R-502 HCFC = Hydrochlorofluorocarbon
PULSE WIDTH MODULATING VALVES
PULSE WIDTH MODULATING VALVES PARKER PULSE WIDTH MODULATING VALVES MODEL HP P4144 MODELS CS & DS P4145 Features Long life (100 million cycles). Suitable for all common refrigerants except ammonia. Maximum
Energy Use in Refrigeration Systems
2012 Rocky Mountain ASHRAE Technical Conference Energy Use in Refrigeration Systems PRESENTED BY: Scott Martin, PE, LEED AP BD+C Objectives Understand mechanical refrigeration terms Describe how heat is
Suction Line Accumulators
A n I S O 9 0 0 : 2 0 0 0 O r g a n i z a t i o n Refrigeration Technologies Suction Line Accumulators With or without heat exchanger R4a R404A R07A R407C R22 R40A R08b R77 CO 2 Approved by European standards
Case 15 Refrigeration System for Chemical Fertilizer Plant Ammonia Storage
Case 15 Refrigeration System for Chemical Fertilizer Plant Ammonia Storage Copy Right By: Thomas T.S. Wan ) Dec. 28, 2012 All Rights Reserved Case Background: Ammonia is one of the important elements to
LINE COMPONENTS VALVES
VALVES DANFOSS THERMOSTATIC EXPANSION VALVES - T2 T2 thermostatic expansion valves regulate the injection of refrigerant liquid into evaporators. The refrigerant superheat determines the amount. Large
CHECK VALVES INSTALLATION
CHECK VALVES 35 CHECK VALVES APPLICATIONS The check valves illustrated herein are designed for use with refrigerant fluids CFC, HCFC and HFC. Castel check valves can be used on any section of a refrigerating
THE FIVE W s SYSTEMES LMP MECHANICAL SUB-COOLING. I.G.A. GIRARD, TERREBONNE, Qc. INCREASED SYSTEM EFFICIENCY & LOWER ENERGY COSTS
THE FIVE W s WHO: WHAT: WHERE: WHY: SYSTEMES LMP MECHANICAL SUB-COOLING I.G.A. GIRARD, TERREBONNE, Qc. INCREASED SYSTEM EFFICIENCY & LOWER ENERGY COSTS WHEN: TIME LAPSE May 2013 to May 2014 Système LMP`s
Case 8 Basic Performance of Screw Compressor
Case 8 Basic Performance of Screw Compressor Copy Right By: Thomas T.S. Wan ) June 24, 2010 All Rights Reserved Case Background: The basic rating and performance given by a compressor manufacturer is usually
Kirby Commander Condensing Unit
Kirby Commander Condensing Unit Quieter, more powerful and with greater endurance 14kW 36kW Kirby Commander Condensing Unit Front Cover Navy Submarine The stealth submarines of the world have long been
June 2001 / BULLETIN Way Valves. The right solenoid valve for any job.
June 01 / BULLETIN - 3-Way Valves The right solenoid valve for any job. Page 2 / Bulletin - Advantages Sporlan 3-Way Valves 3-Way Pilot eliminates costly high- to low-side leaks. "B" reduces total installed
SANHUA S OFFER FOR REFRIGERATION APPLICATIONS
SANHUA S OFFER FOR REFRIGERATION APPLICATIONS Strive for perfection, Pursuit of excellence Sanhua is a leading HVAC&R manufacturer of controls and components with a global footprint and 30 years of experience.
Technical Bulletin (TB-0037)
Technical Bulletin (TB-0037) BITZER Software Guide Version 4, January 2015 DEFINITION OF TERMS Terms Found in the BITZER Software Condenser Capacity: The power needed to reject heat from the refrigerant
Thermostat KPU. Data sheet
Data sheet Thermostat KPU The KPU Thermostats are temperature controlled electrical switches, which are applied for regulation and safety monitoring of refrigeration and air conditioning systems. KPU sensors
Accumulators - Suction Line
ACCUMULATORS Accumulators - Suction Line kw Cap at Evap. Temp. -6 C Size Connection R22 R404A / R507C F0804 1/2" ODS Vertical 4.6 4.8 F0805 5/8" ODS Vertical 6.9 7.2 F0806 3/4" ODS Vertical 9.2 9.6 F0807
REFRIGERATION PRODUCTS
SE REFRIGERATION PRODUCTS Smart Electric products offer reliable and longer lasting solutions for refrigeration. We know how important it is to keep systems clean and running at its full efficiency for
ELIMINATOR Hermetic filter drier for CO₂ DMSC for Sub-critical and DMT for Trans-critical application
Data sheet ELIMINATOR Hermetic filter drier for CO₂ DMSC for Sub-critical and DMT for Trans-critical application The filter drier is a vital element of the system s reliability as well as its lifespan.
The Saturation process
SOUTH METROPOLITAN TAFE WA The Saturation process Dennis Kenworthy 8/5/2016 A student study guide to measuring and interpreting the saturation process of refrigeration and air-conditioning equipment System
Technical Information
Date of last update: 02-08 Ref: Application Engineering Europe COPELAND SCROLL COMPRESSORS USING VAPOUR INJECTION FOR REFRIGERATION CONTENTS 1 Introduction...1 2 Principle of Operation...1 3 Capacity Effect...2
PREPARE FOR CHANGE LOW GWP ALTERNATIVES. November 17
PREPARE FOR CHANGE LOW GWP ALTERNATIVES November 17 F-GAS PHASE DOWN Where we are now F-Gas regulation places restrictions on the use of some HFC refrigerants of high GWP. This is indirectly achieved by
ZERO ZONE USER GUIDE TO THE 2017 EPA RETAIL FOOD REFRIGERATION REGULATIONS
ZERO ZONE USER GUIDE TO THE 2017 EPA RETAIL FOOD REFRIGERATION REGULATIONS Per the EPA: Retail food refrigeration, or commercial refrigeration, includes equipment designed to store and display chilled
PRICE CHOPPER SARATOGA, NY. First cascade supermarket system in North America Installed and Started March of 2008
PRICE CHOPPER SARATOGA, NY First cascade supermarket system in North America Installed and Started March of 2008 Why did we choose CO2? Meets Corporate sustainability initiatives Looking for ways to reduce
FACT SHEET 9 Large Air-Conditioning (air-to-air)
FACT SHEET 9 Large Air-Conditioning (air-to-air) UNEP Ozone Secretariat UNEP Ozone Secretariat Background Workshop Material for on HFC HFC Workshop, management: 205 technical issues Bangkok, 20 and 2 April
Brazed heat exchangers
HYGIENIC EQUIPMENT FOR FOOD & LIFE SCIENCES Brazed heat exchangers A product catalogue for refrigeration Refrigeration applications The brazed plate heat exchanger (BHE) is a well-established component
Refrigerant Cycle. Performance Data 1) Electric. Acoustic Pressure Level. Compressor. Connections, Dimensions
TECHNICAL DATA SHEET HP08L-M-WEB Performance Data 1) A-7W35 A2W35 A10W35 A2W50 Heating capacity 8,67 kw 11,14 kw 14,91 kw 9,87 kw Cooling capacity 6,16 kw 8,58 kw 12,33 kw 6,43 kw Input 2,51 kw 2,56 kw
Danfoss Scroll for Refrigeration MLM / MLZ
s Danfoss Scroll for Refrigeration MLM / MLZ 50-60 Hz - R404A - R507 - R134a - R22 - R407A - R407F http://danfoss.us.com/ Contents Features... 6 Scroll compression principle... 7 The scroll compression
T2 thermostatic expansion valves regulate the injection of refrigerant liquid into evaporators. The refrigerant superheat determines the amount.
DANFOSS THERMOSTATIC EXPANSION - T2 T2 thermostatic expansion valves regulate the injection of refrigerant liquid into evaporators. The refrigerant superheat determines the amount. FEATURES Large temperature
SOLENOID VALVES FOR REFRIGERATING SYSTEMS
SOLENOID VALVES FOR REFRIGERATING SYSTEMS APPLICATIONS The solenoid valves, shown in this chapter, are classified Pressure accessories in the sense of the Pressure Equipment Directive 97/23/EC, Article
Thermostatic Expansion Valves
Thermostatic Expansion Valves Alco TI Series with Interchangeable Orifice Assembly TI Series Valves with interchangeable orifi ces provide the capability of changing capacity with only the change of an
FACT SHEET 9 Large Air-Conditioning (air-to-air)
UNEP Ozone Secretariat UNEP Ozone Secretariat Background Material on HFC Management Fact Sheets on HFCs and Low GWP Alternatives October 205 FACT SHEET 9 Large Air-Conditioning (air-to-air). Description
SECTION 2 SAFETY, TOOLS AND EQUIPMENT, SHOP PRACTICES UNIT 10 SYSTEM CHARGING
SECTION 2 SAFETY, TOOLS AND EQUIPMENT, SHOP PRACTICES UNIT 10 SYSTEM CHARGING UNIT OBJECTIVES After studying this unit, the reader should be able to Describe how refrigerant is charged into systems in
Kirby CO 2 Evaporators
Kirby s Kirby Product Overview Prior to the discovery of synthetic refrigerants, liquid (R744) was used as a refrigerant. It is now enjoying renewed interest due to its innate advantages. has a very low
System Considerations for Refrigerant Blends with Temperature Glide
System Considerations for Refrigerant Blends with Temperature Glide Theory and Practical Retrofit Guidance Table of Contents 1 2 3 4 5 Blend and Glide Basics... 3 1.1 Superheat and Subcooling of Refrigerant
Controller for operation of evaporator on water chiller EKD 316
Controller for operation of evaporator on water chiller EKD 316 Manual Contents Introduction... 2 Operation... 3 Survey of functions... 4 Operation... 7 Menu survey... 7 Data... 9 Connections... 9 Ordering...
TEST REPORT #14. System Drop-In Test of Refrigerant Blend ARM-42a in an Air-Cooled Screw Chiller
Air-Conditioning, Heating, and Refrigeration Institute (AHRI) Low-GWP Alternative Refrigerants Evaluation Program (Low-GWP AREP) TEST REPORT #14 System Drop-In Test of Refrigerant Blend ARM-42a in an Air-Cooled
SECTION 5 COMMERCIAL REFRIGERATION UNIT 22 CONDENSERS UNIT OBJECTIVES UNIT OBJECTIVES 3/22/2012
SECTION 5 COMMERCIAL REFRIGERATION UNIT 22 CONDENSERS UNIT OBJECTIVES After studying this unit, the reader should be able to explain the purpose of the condenser in a refrigeration system. describe differences
BOGE AIR. THE AIR TO WORK. Refrigerant Dryers RA Series
BOGE AIR. THE AIR TO WORK. Refrigerant Dryers RA Series Over 100,000 compressed air users expect more when it comes to their compressed air supply. BOGE air provides them with the air to work. If it is
HVAC Fundamentals & Refrigeration Cycle
HVAC Fundamentals & Refrigeration Cycle Change of State of Water & the Refrigeration Cycle Change of State Water The Basic Refrigeration Cycle Types of DX Systems The Chilled water System The Cooling Tower
Compendium DES July 2016, CARN
Compendium DES July 2016, CARN 1 Contents Contents... 2 1. Energy balance... 4 Using Energy Balance for analyzing energy systems... 4 Energy Balance definition... 4 Steady state, steady flow... 4 Methodology...
Technical Information
Date of last update: May-12 Ref: : Application Engineering Europe ENHANCED VAPOUR INJECTION (EVI) FOR ZH*KVE SCROLL COMPRESSORS 1 Introduction... 2 2 Principle of operation... 2 3 Capacity effect... 3
Technical Information
Date of last update: May-15 Ref: C7.19.2/0813-0515/E Application Engineering Europe ZF* REFRIGERATION COPELAND SCROLL COMPRESSORS USING R407A, R407F, R448A OR R449A IN LOW TEMPERATURE APPLICATIONS ZF*
Thermostats type KPU REFRIGERATION AND AIR CONDITIONING. Technical leaflet
Thermostats type KPU REFRIGERATION AND AIR CONDITIONING Technical leaflet Contents Page Introduction... 3 Features... 3 Approvals... 3 Technical data... 3 Regulating ranges... 4 Ordering... 4 Contact systems...
HANDBOOK REGULATOR VALVES. Ed REGULATOR VALVES RP-ED 01/ ENG 1
HANDBOOK Ed. 2017 RP-ED 01/2017 - ENG 1 DIRECTIVE 2014/68/EU ISSUED OF THE EUROPEAN PARLIAMENT AND OF THE COUNCIL OF 15 MAY 2014 ON PRESSURE EQUIPMENT Directive 2014/68/EU (PED Recast) applies to the design,
EN-CV: LHCb SciFi Common chiller. Martin Doubek September 25, 2017
EN-CV: LHCb SciFi Common chiller Martin Doubek September 25, 2017 Common chiller Novec plant (pumps) 8 kw SciFi 9.4 kw ~ 30 kw UT + Velo CO 2 plant 7+4 kw Evaporation ~ -48 C Evaporation ~ -65 C 02.05.2017
Gary Parker Refrigerants Product Manager
Gary Parker Refrigerants Product Manager Refrigerant History Status of the HCFC ( R22) Phase out Ozone Friendly Alternatives Choosing the Best Retrofit Solution Lubricants and how they impact performance
DTI Kenneth Bank Madsen Global Application Expert Food Retail
DTI 08-11-2017 Kenneth Bank Madsen Global Application Expert Food Retail 1 Danfoss Cooling Danfoss Refrigerant Week Cool Tools Sept. 2017 Technology status Technology allows for world wide adoption of
HEAT PUMPS WITH HYDROCARBONS AS REFRIGERANTS FOR SMALL RESIDENTIAL BUILDINGS
HEAT PUMPS WITH HYDROCARBONS AS REFRIGERANTS FOR SMALL RESIDENTIAL BUILDINGS E. Wobst, Professor, Main Department of Refrigeration & Cryogenics, Institute for Air-Conditioning and Refrigeration, Dresden,
These valves can also be ordered as a bidirectional valve, allowing control of flow in both directions for use on heat pump applications.
Type EBS/O Type EBS and O valve is a brass bar body, externally adjustable valve with ODF solder connections. The thermostatic element is replaceable, and the inlet connection has a permanent 12 mesh strainer.
Section 1: Theory of Heat Unit 3: Refrigeration and Refrigerants
Section 1: Theory of Heat Unit 3: Refrigeration and Refrigerants Unit Objectives After studying this chapter, you should be able to: Discuss applications for high-, medium-, and low temperature refrigeration.
SECTION 7 AIR CONDITIONING (COOLING) UNIT 41 TROUBLESHOOTING
SECTION 7 AIR CONDITIONING (COOLING) UNIT 41 TROUBLESHOOTING UNIT OBJECTIVES After studying this unit, the reader should be able to Select the correct instruments for checking an air conditioning unit
Suction Accumulators. Introduction. Suction Accumulators
Introduction The purpose of the Suction Accumulator is to provide temporary storage for any liquid refrigerant and oil that is returning to the compressor from the evaporator. The accumulator s internal
Instruction book for Air dryers
Instruction book for Air dryers FD7, FD16, FD30, FD40, FD60, FD80, FD100, FD120, FD160 and FD210 From following serial numbers onwards: FD7/16: AIQ 108 800 FD30/40/60: AIQ 114 800 FD80: AIQ 105 000 FD100:
Head Pressure Control Valves
Head ontrol s High and Low mbient Stability The design of air conditioning systems utilizing air cooled condensing units involves two main problems that must be solved if the system is to operate reliably
AHRI Standard 751 (SI) 2016 Standard for Performance Rating of Thermostatic Refrigerant Expansion Valves
AHRI Standard 751 (SI) 2016 Standard for Performance Rating of Thermostatic Refrigerant Expansion Valves IMPORTANT SAFETY DISCLAIMER AHRI does not set safety standards and does not certify or guarantee
General Characteristics SM185S3QC. Dimensions. Terminal box. Electrical Characteristics. Recommended Installation torques
Datasheet, technical data Performer scroll compressor, SM185-3 General Characteristics Model number (on compressor nameplate) Code number for Singlepack* Code number for Industrial pack** Drawing number
49 Danfoss Thermostat Kits Ranco Varifix Kits
Danfoss Thermostat Kits Code Type To Suit E005 NO-1 Kit Refrigerator E006 NO-2 Refrigerator Push/Defrost E007 NO-3 Fridge Freezer/Larder Fridge E008 NO-4 Absorption Refrigerator E009 NO-5 Freezer E010
System Design, Commissioning, Operation
PART 3: CO 2 as a Refrigerant System Design, Commissioning, Operation Service This series continues with the introduction of transcritical, cascade and secondary systems; how each system works; and compares
Bulletin , March Electric Hot Gas Bypass Valves
Bulletin 100-60, March 2018 Electric Hot Gas Bypass Valves PAGE 2 / Bulletin 100-60 10 FEATURES AND BENEFITS SDR-4 Direct temperature control Tight shutoff when closed Can be interfaced with direct digital
ENERSAVE Hydrocarbon Scroll Water Cooled Chiller
ENERSAVE Hydrocarbon Scroll Water Cooled Chiller Your Green Input to Chiller ever found in the market To eliminate the threat of environmental impact by utilizing environmental friendly refrigerant gas-
The Refrigeration Cycle
Job Sheet 4 The Refrigeration Cycle OBJECTIVES In this job sheet, you will plot the refrigeration cycle on a pressure-enthalpy diagram using pressures and temperatures measured on your training system.
To accomplish this, the refrigerant fi tis pumped throughh aclosed looped pipe system.
Basics Refrigeration is the removal of heat from a material or space, so that it s temperature is lower than that of it s surroundings. When refrigerant absorbs the unwanted heat, this raises the refrigerant
Due to its low temperature glide about 1.5 approx. (75% less than R-407C and R-427A), it is suitable for a wide range of applications.
TECHNICAL DATA SHEET R434A () Features and uses of R-434A () is a non-flammable HFC mixture. ODP = 0, compatible with traditional mineral lubricants, alkyl benzene and also with synthetic POE, so there
REFRIGERATION AND AIR CONDITIONING RÉFRIGÉRATION ET CLIMATISATION POST-SECONDARY NIVEAU POSTSECONDAIRE
INSTRUCTIONS AND COMPETITION DETAILS INSTRUCTIONS ET DÉTAILS DU CONCOURS REFRIGERATION AND AIR CONDITIONING RÉFRIGÉRATION ET CLIMATISATION POST-SECONDARY NIVEAU POSTSECONDAIRE 1. Test Project Details This
Sporlan Valve Division Parker Hannifan/CIC Group
www.parker.com/cic Sporlan Valve Division Parker Hannifan/CIC Group Matt McGrath, SW Regional Sales Manager Bob Dolan, Sales Engineer - Atlanta www.parker.com/cic Why Discuss TEVs Today? Expansion Valves
Commercial CO2 Refrigeration Systems. Guide for Subcritical and Transcritical CO2 Applications
Commercial CO2 Refrigeration Systems Guide for Subcritical and Transcritical CO2 Applications 2 Contents Chapter 1. Introduction 4 Chapter 2. CO 2 Basics and Considerations as a Refrigerant 5 Section 1.
Thomas J Kelly. Fundamentals of Refrigeration. Sr. Engineering Instructor Carrier Corporation. August 20, Page number: 1.
Thomas J Kelly Sr. Engineering Instructor Carrier Corporation August 20, 2003 1 SESSION OBJECTIVES At the conclusion of this session you should be able to: 1. Describe the basics principles of refrigeration
The Refrigeration Cycle
Job Sheet 4 The Refrigeration Cycle OBJECTIVES In this job sheet, you will plot the refrigeration cycle on a pressure-enthalpy diagram using pressures and temperatures measured on your training system.
Fan speed controller Type Saginomiya XGE
Data sheet Fan speed controller Type Saginomiya Fan speed controller stabilizes condensing pressure by changing condenser s fan speed. The controller reduces fan noise and saves energy in low ambient conditions.
TRENDS IN RETAIL INDUSTRY REFRIGERATION & REVIEW OF EUROSHOP 2017 EXHIBITION
TRENDS IN RETAIL INDUSTRY REFRIGERATION & REVIEW OF EUROSHOP 2017 EXHIBITION Jörg Wittmann Market Sector Manager Supermarket BITZER Kühlmaschinenbau GmbH Moscow BRRT-2017 19.04.2017 1. WARM UP 2. TRENDS
500 EX Fusion Compressor Series
500 EX Fusion Compressor Series R404A M/T R404A L/T Capacity RANGE 13.8kW - 20.4kW 7.7kW -11.2kW Copeland Fusion Semi-Hermetic Horizontal Scroll Compressors For Medium and Low Temperature Applications