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2 Over 50 years of proven designs Wattco is a manufacturing company developing electric heating products for use around the world since With uncompromised dedication to our customers, we offer solutions and not just products. Our development in oil and gas industries, renewable energy, HV systems and government projects help customer like you to get alternative solutions for your projects to get off the ground in the most cost efficient way. ouble Skid Mounted In-Line Heater Our Vision: to be the industry benchmark. Our Solution: we have combined the global knowledge, history and experience to create the best heating elements. ( ) 1

3 IRULTION HTRS OVRVIW O circulation heaters are the perfect solution for generating heat and enhancing normal performance. They are designed to heat pressurized circulating fluids to provide effective, controlled heating to water, oil, steam and other gases. irculation heaters are composed of all-in-one units with a heater mounted inside an insulated tank. They are made of a flanged or a screwplug immersion heater that is inserted into a pressure vessel or a pipe body. Heaters have inlet and outlet piping where the liquid or gas goes through the tank in order to reach the desired temperature. KY TURS Standard sizes: 1.25 NPT screwplug size to 14 diameter Steel vessels fitted with 150 lb. flanges Thermal insulated vessels ustom unit sizes: up to 44 nominal pipe size ustom-designed to meet your specifications Special sizes, wattages, and materials are available upon request Units are available with larger vessels and heavier flanges Supplied with stainless steel parts and special design terminal boxes for heat protection and use in high temperature conditions NITS asy to install ompact lean urable Highly energy efficient Provide fast response and even heat distribution Provide greater wattage in a smaller heater bundle Provide maximum dielectric strength Reduce heat loss from the vessel Protect and prevent thermal insulation asy mounting support Suitable to general purpose terminal enclosures, weather or moisture resistant terminal enclosures, and unsafe or explosion proof locations ompatible with standard industry piping and safety standards esigned and built for safety TORS Please consider the following factors in order to select the proper circulation heater: Operating temperature Heating element watt density Sheath material (corrosive or non corrosive) Temperature of the corrodent egree of aeration of exposed corrodent Velocity of the corrodent RISTRTION irculation heaters are sometimes considered as boilers or pressure vessels according to the: Heated fluid KW rating Size of vessel Operating pressure Outlet temperature Where applicable, registration requirements are imposed by law and according to the installation location. XTR TURS vailable built-in high limit controls and thermostats Standard built-in thermostats: Single pole device limited to 240V up to 30 amps or heater voltage over 240V, or heater currents over 30 amps, or threephase supply, the thermostat is used for pilot duty only and is not factory wired to the elements. Please call us at O ( ) if you need further assistance. I. 2 ONSTRUTION eatures and omponents RMOVL LN HTR SKT SLIP-ON OR WL NK LN INSULTION THR NOZZLS HTIN LMNTS (OPPR OR INOLOY) STL SIN SIN IN ORN WITH SM O I. 1 O Standard Unit MOUNTIN RKTS 3/4 NPT P OR RIN N IS 1/2 NPT OR THRMOWLL 2 ( )

4 IRULTION HTRS NRL PRINIPLS: The heat you get from an electric heater will leave the heater, as opposed to the steam or liquid heat exchanger. ven when the surface area in contact with the application is properly fixed, the sheath temperature of the heating element will increase until the heat achieved is similar to the heat that is transferred to the process. Low watt density heaters last longer than high density heaters, particularly with viscous or stagnant liquids. Low density heaters are however more expensive. or larger systems, please call us at O ( ) for further assistance. WRNIN: Selecting the wrong watt density can damage the product and control systems that are in place, and cause the heater to fail. SLTIN O IRULTION HTR When heating liquids (forced flow and natural flow heating loops): Make sure that the heater vessel remains totally filled when in use Use a circulator pump to achieve forced flow heating for heavier liquids or high temperature liquids heating purposes Set natural flow systems to side arm water heating applications Mount the heater in the vertical position where top of the heater is below the minimum liquid level of the tank When heating gases (steam superheating, heating compressed air, nitrogen, ammonia): Make sure that there is enough flow in order to maintain the maximum allowable vessel and sheath temperatures. N SSISTN? Please call us at O ( ) if you still need further assistance in selecting the circulation heater that best suits the requirements of your application. HOW TO INSTLL: The following figures show the proper vertical or horizontal mountings for vessels. I. 3 LIQUI HTIN or LOW TMPRTUR S HTIN - VRTIL INSTLLTION I. 4 S or LIQUI HTIN HORIZONTL INSTLLTION I. 5 HIH TMPRTUR S HTIN VRTIL INSTLLTION ( ) 3

5 IRULTION HTRS O MINITUR IRULTION HTRS conomical heat sources for several applications No mounting support in stationary systems ONSTRUTION asic construction: 1 or 1 ¼ pipe fitted with a pipe T to fit a screwplug heater Insulated pipe with 1 ¼ 1 ½ of insulation protected by a steel casing of 20 ga. Supplied units: With or without thermostats With general-purpose, moisture resistant, or explosion-proof terminal housings If the outlet liquid or gas temperature is above 150º (300º): Take the farthest end from the terminal box as the outlet If the outlet liquid or gas temperature is under 150º (300º): Take the outside threaded connection as the system inlet XTR TURS Stainless steel wetted parts Moisture resistant or explosion-proof housings Special wattage (length increases when the watt density is the same) Special thermostat range I. 1 UNIT WITH UILT-IN THRMOSTT SHOWN 450 mm (17 3/) 280 mm (11") 115 mm (4 1/2") INSI THR OUTSI THR PPLITIONS SHTH MTRIL SRWP or LN MTRIL HTR TYP Water lycol water solutions Low viscosity liquids, not corrosive to brass or copper Oils Low pressure steam Preheating instrument air opper rass MSX Steel Steel Incoloy Steel MWHI Note: Select lower watt density heaters for heavier liquids. Incoloy and Inconel are registered trademarks of Inco lloys International TL 1 Miniature irculation Heaters 1 PHS ONLY (W/cm 2 ) (W/in. 2 ) TYP MSX - OPPR SHTH (RSS P & WITH 1 NPT ONNTIONS THRMOSTT ( ) T. No. NT WT. (K) , 208, MSX110 MSX110T 13.2 (6) 1.5 " MSX115 MSX115T 13.2 (6) 2.0 " MSX120 MSX120T 13.2 (6) , MSX130 MSX130T 13.2 (6) TYP MWHI - INOLOY SHTH (STL P & WITH 1 1/4 NPT ONNTIONS , 208, MWHI206O MWHI206OT 17.6 (8) 1.0 " MWHI210O MWHI210OT 17.6 (8) WHN ORRIN, PLS SPIY: Quantity, catalogue number, voltage, phase, wattage, material to be heated, flowing or static mediums, types of controls to be 4 ( )

6 IRULTION HTRS 3 IRULTION HTRS...NRL ROMMNTIONS - (LSO PPLIL TO: irculation Heaters) PPLITIONS SHTH MTRIL HTR TYP Water or aqueous solutions not corrosive to the steel vessel and copper sheath ishwashing and rinsing Hot water storage tanks Process water Water (spray washing systems with chemical additives corrosive to copper) irculated oils Molding dies and platens losed loop heat transfer systems Process liquids not corrosive to steel and incoloy ompressed air or other gases luid heat transfer devices Tars High to low viscous petroleum oils sphalt - Wax - Molten salt opper Incoloy Steel Low arbon Steel ML MLI MLO MLO eionized water Stainless MLI Note: When heating compressed air or gases, please verify if you need lower density heaters for high viscosity liquids or high temperature, low flow steam or gas heating systems. all us at O ( ) for technical assistance. 3" TL lb. langed Steel Vessel with 1 Inlet and Outlet (41.7) (30.7) (3.3) (7.5) (9.3) (5.3) (37.2) mm in. HIH - OPPR SHTH THRMOSTT ( ) LS (K) a a a a ML306X2418 ML306X2418T (47) a a a a ML309X2426 ML309X2426T (48) a a a a ML312X2432 ML312X2432T (48) a a a a ML618X2425 ML618X2425T (51) a a a a ML624X2432 ML624X2432T (51) HIH - INOLOY SHTH a a a a MLI306X2418 MLI306X2418T (47) a a a a MLI309X2426 MLI309X2426T (48) a a a a MLI312X2432 MLI312X2432T (48) a a a a MLI618X2426 MLI618X2426T (51) a a a a MLI624X2432 MLI624X2432T (51) MIUM - INOLOY SHTH a a a a MLI303X2418 MLI303X2418T (47) a a a a MLI304X2426 MLI304X2426T (48) a a a a MLI306X2432 MLI306X2432T (48) LOW - INOLOY SHTH a a a a MLI303X2432 MLI303X2432T (48) WHN ORRIN, PLS SPIY: Quantity, catalogue number, voltage, phase, wattage, material to be heated, flowing or static mediums, types of controls to be MT. 2 3/ 2" 1 1/ 9/16" x 3/ SLOT ( ) 5

7 IRULTION HTRS 4 IRULTION HTRS Refer to P 5 for the NRL ROMMNTIONS 2" (48.0) (30.7) (5.7) (9.1) (10.2) (6.1) (41.9) MT. 2 3/ 1 1/ 9/16" x 3/ SLOT TL lb. langed Steel Vessel with 1 1/2 Inlet and Outlet mm in. HIH - OPPR SHTH THRMOSTT ( ) LS (K) a a a a ML612X2818 ML612X2818T (63) a a a a ML615X2822 ML615X2822T (64) a a a a ML618X2826 ML618X2826T (64) a a a a ML624X2832 ML624X2832T (64) a a a a ML918X2818 ML918X2818T (67) a a a a ML927X2826 ML927X2826T (68) a a a a ML936X2832 ML936X2832T (69) HIH - INOLOY SHTH a a a a MLI612X2818 MLI612X2818T (63) a a a a MLI615X2822 MLI615X2822T (64) a a a a MLI618X2825 MLI618X2825T (64) a a a a MLI624X2832 MLI624X2832T (64) a a a a MLI918X2818 MLI918X2818T (67) a a a a MLI927X2826 MLI927X2826T (68) a a a a MLI936X2832 MLI936X2832T (69) MIUM - INOLOY SHTH a a a a MLI606X2818 MLI606X2818T (63) a a a a MLI609X2826 MLI609X2826T (65) a a a a MLI612X2832 MLI612X2832T (65) a a a a MLI909X2818 MLI909X2818T (68) a a a a MLI913X2825 MLI913X2825T (69) a a a a MLI918X2832 MLI918X2832T (70) LOW - INOLOY SHTH a a a a MLI606X3032 MLI606X3032T (65) a a a a MLI909X3032 MLI909X3032T (69) WHN ORRIN, PLS SPIY: Quantity, catalogue number, voltage, phase, wattage, material to be heated, flowing or static mediums, types of controls to be 6 ( )

8 IRULTION HTRS 5 IRULTION HTRS Refer to P 5 for the NRL ROMMNTIONS 2" 5" (48.0) (30.7) (5.7) (10.0) (10.6) (6.7) (41.9) MT. 2 3/ 1 1/ 9/16" x 3/ SLOT TL lb. langed Steel Vessel with 2 Inlet and Outlet mm in. HIH - OPPR SHTH THRMOSTT ( ) LS (K) a a a a ML612X3018 ML612X3018T (63) a a a a ML615X3022 ML615X3022T (64) a a a a ML618X3026 ML618X3026T (64) a a a a ML624X3032 ML624X3032T (64) a a a a ML918X3018 ML918X3018T (67) a a a a ML927X3026 ML927X3026T (68) a a a a ML936X3032 ML936X3032T (69) HIH - INOLOY SHTH a a a a MLI612X3018 MLI612X3018T (63) a a a a MLI615X3022 MLI615X3022T (64) a a a a MLI618X3025 MLI618X3025T (64) a a a a MLI624X3032 MLI624X3032T (64) a a a a MLI918X3018 MLI918X3018T (67) a a a a MLI927X3026 MLI927X3026T (68) a a a a MLI936X3032 MLI936X3032T (69) MIUM - INOLOY SHTH a a a a MLI606X3018 MLI606X3018T (63) a a a a MLI609X3026 MLI609X3026T (65) a a a a MLI612X3032 MLI612X3032T (65) a a a a MLI909X3018 MLI909X3018T (68) a a a a MLI913X3025 MLI913X3025T (69) a a a a MLI918X3032 MLI918X3032T (70) LOW - INOLOY SHTH a a a a MLI606X3032 MLI606X3032T (65) a a a a MLI909X3032 MLI909X3032T (69) WHN ORRIN, PLS SPIY: Quantity, catalogue number, voltage, phase, wattage, material to be heated, flowing or static mediums, types of controls to be ( ) 7

9 IRULTION HTRS 6 IRULTION HTRS Refer to P 5 for the NRL ROMMNTIONS 2" (48.0) (30.7) (5.7) (11.0) (11.4) (7.1) (41.9) 2 3/ (60.6) (43.3) (5.7) (11.0) (11.4) (7.1) (54.5) MT. 1 1/ 9/16" x 3/ SLOT TL lb. langed Steel Vessel with 2 Inlet and Outlet mm in. HIH - OPPR SHTH THRMOSTT ( ) LS (K) a a a a ML1236X1026 ML1236X1026T (91) a a a ML1248X1032 ML1248X1032T (92) a a a ML1260X1039 ML1260X1039T (95) a a a ML1272X1047 ML1272X1047T (96) a a a ML1545X1026 ML1545X1026T (93) a a a ML1560X1032 ML1560X1032T (96) a a a ML1575X1039 ML1575X1039T (109) a a ML1590X1047 ML1590X1047T (112) a a ML1890X1039 ML1890X1039T (112) HIH - INOLOY SHTH a a a a MLI1236X1026 MLI1236X1026T (91) a a a MLI1248X1032 MLI1248X1032T (92) a a a MLI1260X1039 MLI1260X1039T (95) a a a MLI1272X1047 MLI1272X1047T (96) a a a MLI1545X1026 MLI1545X1026T (93) a a a MLI1560X1032 MLI1560X1032T (96) a a a MLI1575X1039 MLI1575X1039T (109) a a MLI1590X1047 MLI1590X1047T (112) a a MLI1890X1039 MLI1890X1039T (112) a MLI15120X1047 MLI15120X1047T (114) a MLI18144X1047 MLI18144X1047T (118) MIUM - INOLOY SHTH a a a a MLI1218X1025 MLI1218X1025T (92) a a a a MLI1224X1032 MLI1224X1032T (94) a a a a MLI1230X1039 MLI1230X1039T (106) a a a a MLI1236X1047 MLI1236X1047T (108) a a a a MLI1522X1025 MLI1522X1025T (95) a a a a MLI1530X1032 MLI1530X1032T (97) a a a a MLI1537X1039 MLI1537X1039T (109) a a a MLI1545X1047 MLI1545X1047T (112) LOW - INOLOY SHTH a a a a MLI1212X1032 MLI1212X1032T (92) a a a a MLI1218X1039 MLI1218X1039T (106) a a a a MLI1224X1047 MLI1224X1047T (111) a a a a MLI1515X1032 MLI1515X1032T (95) a a a a MLI1522X1039 MLI1522X1039T (110) a a a a MLI1530X1047 MLI1530X1047T (115) WHN ORRIN, PLS SPIY: Quantity, catalogue number, voltage, phase, wattage, material to be heated, flowing or static mediums, types of controls to be 8 ( )

10 IRULTION HTRS 8 IRULTION HTRS Refer to P 5 for the NRL ROMMNTIONS 2" (62.2) (43.3) (6.5) (13.6) (13.0) (8.5) (56.1) 2 3/ MT. 1 1/ 9/16" x 3/ SLOT TL lb. langed Steel Vessel with 2 1/2 Inlet and Outlet mm in. HIH - OPPR SHTH ( ) THRMOSTT ( ) LS (K) a a a ML1854X1225 ML1854X1225T (106) a a a ML1872X1232 ML1872X1232T (109) a a a ML1890X1239 ML1890X1239T (142) a a a ML18108X1247 ML18108X1247T (144) a a a ML2781X1225 ML2781X1225T (148) a a ML27108X1232 ML27108X1232T (152) a ML27135X1239 ML27135X1239T (157) a ML27162X1247 ML27162X1247T (160) HIH - INOLOY SHTH a a a MLI1854X12 MLI1854X12T (106) a a a MLI1872X12 MLI1872X12T (109) a a a MLI1890X12 MLI1890X12T (142) a a a MLI18108X12 MLI18108X12T (144) a a a MLI2781X12 MLI2781X12T (148) a a MLI27108X12 MLI27108X12T (152) a MLI27135X12 MLI27135X12T (157) a MLI27162X12 MLI27162X12T (160) a MLI15120X12 MLI15120X12T (142) a MLI18144X12 MLI18144X12T (145) a MLI21168X12 MLI21168X12T (148) a MLI24192X12 MLI24192X12T (151) a MLI27216X12 MLI27216X12T (154) a MLI30240X12 MLI30240X12T (157) MIUM - INOLOY SHTH a a a a MLI1836X1232 MLI1836X1232T (138) a a a MLI1854X1247 MLI1854X1247T (145) a a a MLI2163X1247 MLI2163X1247T (149) a a a MLI2436X1247 MLI2436X1247T (152) a a a MLI2781X1247 MLI2781X1247T (155) a a a MLI3090X1247 MLI3090X1247T (158) LOW - INOLOY SHTH a a a a MLI1827X1239 MLI1827X1239T (142) a a a a MLI2131X1239 MLI2131X1239T (144) a a a a MLI2436X1239 MLI2436X1239T (146) a a a a MLI1836X1247 MLI1836X1247T (146) a a a MLI2740X1239 MLI2740X1239T (149) a a a MLI3045X1239 MLI3045X1239T (152) a a a MLI2754X1247 MLI2754X1247T (156) WHN ORRIN, PLS SPIY: Quantity, catalogue number, voltage, phase, wattage, material to be heated, flowing or static mediums, types of controls to be 9

11 IRULTION HTRS 10 IRULTION HTRS Refer to P 5 for the NRL ROMMNTIONS 2 1/2" (65.0) (43.3) (7.1) (16.0) (14.8) (9.9) (57.1) 6" MT. 1 1/2" 13/16" x 1" SLOT TL lb. langed Steel Vessel with 3 Inlet and Outlet mm in. HIH - OPPR SHTH THRMOSTT ( ) LS (K) a ML36180X1439 ML36180X1439T (220) a ML36216X1447 ML36216X1447T (226) a ML42252X1447 ML42252X1447T (236) HIH - INOLOY SHTH a MLI36180X1439 MLI36180X1439T (220) a MLI36216X1447 MLI36216X1447T (226) a MLI42252X1447 MLI42252X1447T (236) a MLI36288X1447 MLI36288X1447T (226) a MLI42336X1447 MLI42336X1447T (236) a MLI48384X1447 MLI48384X1447T (246) MIUM - INOLOY SHTH a a MLI36108X1447 MLI36108X1447T (226) a MLI42336X1447 MLI42336X1447T (236) a MLI48384X1447 MLI48384X1447T (244) LOW - INOLOY SHTH a a a MLI3672X1447 MLI3672X1447T (226) a a a MLI4284X1447 MLI4284X1447T (236) a a a MLI4896X1447 MLI4896X1447T (244) WHN ORRIN, PLS SPIY: Quantity, catalogue number, voltage, phase, wattage, material to be heated, flowing or static mediums, types of controls to be 10 ( )

12 IRULTION HTRS 12 IRULTION HTRS Refer to P 5 for the NRL ROMMNTIONS 2 1/2" (65.1) (43.3) (7.1) (19.0) (16.1) (11.5) (57.1) 6" MT. 1 1/2" 13/16" x 1" SLOT TL lb. langed Steel Vessel with 3 Inlet and Outlet mm in. HIH - OPPR SHTH THRMOSTT ( ) LS (K) a ML48240X1639 ML48240X1639T (313) a ML48288X1647 ML48288X1647T (322) a ML54324X1647 ML54324X1647T (330) a ML60360X1647 ML60360X1647T (326) HIH - INOLOY SHTH a MLI48240X1639 MLI48240X1639T (313) a MLI48288X1647 MLI48288X1647T (322) a MLI54324X1647 MLI54324X1647T (330) a MLI60360X1647 MLI60360X1647T (326) a MLI54432X1647 MLI54432X1647T (330) a MLI60480X1647 MLI60480X1647T (337) MIUM - INOLOY SHTH a MLI48144X1647 MLI48144X1647T (322) a MLI54162X1647 MLI54162X1647T (330) a MLI60180X1647 MLI60180X1647T (337) LOW - INOLOY SHTH a a a MLI4896X1647 MLI4896X1647T (322) a a MLI54108X1647 MLI54108X1647T (330) a MLI60120X1647 MLI60120X1647T (337) WHN ORRIN, PLS SPIY: Quantity, catalogue number, voltage, phase, wattage, material to be heated, flowing or static mediums, types of controls to be ( ) 11

13 IRULTION HTRS 14 IRULTION HTRS Refer to P 5 for the NRL ROMMNTIONS (66.2) (43.3) (7.8) (21.0) (17.5) (12.6) (58.6) MT. 2 1/2" 6" 1 1/2" 13/16" x 1" SLOT TL lb. langed Steel Vessel with 3 Inlet and Outlet mm in. HIH - OPPR SHTH THRMOSTT ( ) LS (K) a ML60300X1839 ML60300X1839T (398) a ML60360X1847 ML60360X1847T (410) a ML72432X1847 ML72432X1847T (424) a ML84504X1847 ML84504X1847T (439) HIH - INOLOY SHTH a MLI60300X1839 MLI60300X1839T (398) a MLI60360X1847 MLI60360X1847T (410) a MLI72432X1847 MLI72432X1847T (424) a MLI84504X1847 MLI84504X1847T (439) a MLI72576X1847 MLI72576X1847T (424) a MLI84672X1847 MLI84672X1847T (439) MIUM - INOLOY SHTH a MLI60180X1847 MLI60180X1847T (410) a MLI72216X1847 MLI72216X1847T (424) a MLI84252X1847 MLI84252X1847T (439) LOW - INOLOY SHTH a a a MLI60120X1847 MLI60120X1847T (410) a a a MLI72144X1847 MLI72144X1847T (424) a a a MLI84168X1847 MLI84168X1847T (439) WHN ORRIN, PLS SPIY: Quantity, catalogue number, voltage, phase, wattage, material to be heated, flowing or static mediums, types of controls to be 12 ( )