heater selection matrix heating liquids/surface heating and immersion heater type cartridge insertion heaters tubular heaters application description these are used as an immersion heater placed either directly in the liquid or in a protective well recommended for immersion in water or 90 plus percent water soluble solutions these heaters are immersed directly in the liquid being heated most commonly used when high kilowatts are required multiple style mounting adaptors such as flanges and npt fittings provide excellent pressure boundaries sheath materials incoloy® typical max watt densities w/cm2 w/in2 up to 300 in water 60 60 60 60 60 60 20 10 46.5 max operating temperatures °f °c 212 in water 100 catalog page 9 flat incoloy® stainless steel round copper incoloy® stainless steel steel 9.3 9.3 9.3 9.3 9.3 9.3 3.1 1.6 1400 1200 350 1600 1200 750 390 500 760 650 180 870 650 400 200 260 91 91 59 59 59 59 175 115 flexible heaters these heaters are applied to the surface of a pipe vessel
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watrod 1 3 tubular heaters watrod single/double-ended heaters bend formations continued figure 3 dia r1 watrod 1 4 b figure 4 dia r1 r3 h b view b b h watrod 1 5 view a r2 k r3 k r2 c r3 a watrod 1 6 sl 2k 0.86r2 2.86 dia 2a 1.14r1 for pricing use 3 bends sl 2k 0.86 r2 2.86 dia 2a 1.14 r1 view a a figure 5 dia r1 <° view a sl 2k 1.72r3 7.72 dia 2c 0.86r2 2a 1.14r sl 2k 1.72 r3 7.72 dia 1 28 view b sl 0.86 r 2a 1.14 r 2c 2c 2k 2.28r3 3.72 dia 1 2 0.86r2 2a 1.14r1 view b for pricing use 5 bends sl 2k 2.28 r3 3.72 dia 2c 0.86 r2 2a 1.14 r1 h figure 6 a dia r1 r2 watrod 1 7 angle sl 0.0175 ° 2r dia sl 0.0175 ° 2 r2 dia 2 +1.14r1-0.43 dia 1.14 r1 0.43 dia for pricing use 3 bends r2 h watrod 1 8 c l figure 7 dia r1 sl sl 1.141.14r2 dia c 1.14 r1 a1 a l l r2-0.86 0.86 dia c 1.14r for pricing use 2 bends h figure 8 a l r1 l r2 c h dia a x hairpins sl 2a 2.28r2 1.29 dia 2l 1.14r1 sl 2a 2.28 r2 -1.29 dia 2l 1.14 r1 for pricing use 3 b
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flexible heaters silicone rubber heaters wire-wound elements rectangle units continued width in mm 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 length in mm 28.0 29.0 30.0 31.0 32.0 33.0 34.0 35.0 36.0 3.0 3.5 4.0 4.5 5.0 5.5 6.0 6.5 7.0 7.5 8.0 5.0 5.5 6.0 6.5 7.0 7.5 8.0 8.5 9.0 9.5 10.0 10.5 11.0 11.5 12.0 13.0 14.0 15.0 16.0 17.0 18.0 711 737 762 787 813 838 864 889 914 76 89 102 114 140 152 165 178 178 191 203 127 140 152 165 178 191 203 216 229 241 254 267 279 292 305 330 356 381 406 432 457 volts 240 240 240 240 240 240 240 240 240 24 24 24 24 24 24 24 24 24 24 24 120 120 120 120 120 120 120 120 120 120 120 120 120 120 120 120 120 120 120 120 120 watts 70.00 72.50 75.00 77.50 80.00 82.50 85.00 87.50 90.00 15.00 17.50 20.00 22.50 25.00 27.50
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immersion heaters watrod and firebar screw plug immersion heaters options continued thermocouples type j or k thermocouples offer extremely accurate sensing of process and/or sheath temperatures a thermocouple may be inserted into the thermowell or attached to the heater s sheath thermocouples are supplied with 120 in 3048 mm leads longer lead lengths available unless otherwise specified thermocouples are supplied with temperature ranges detailed on the thermocouple types chart using a thermocouple requires an appropriate temperature and power controller these must be purchased separately watlow offers a wide variety of temperature and power controllers to meet virtually all applications temperature controllers can be configured to accept process variable inputs too contact your watlow representative for details to order specify type j or k thermocouple and lead length indicate if the thermocouple is for process temperature sensing or heater sheath high-limit protection please specify
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¾ in npt knockout 0.475 in 12.1 mm dia elements thermowell immersion heaters 2.50 watrod 19 5½ in dia 140 mm 2 in 55.6 mm cold ref b 2½ in 64 mm bundle watrod and firebar screw plug immersion heaters general purpose application bunker watrod c asphalt 2.50 and #6 fuel oil · · · · 21/2 inch npt screw plug watrod elements with thermostat dpst general purpose or moisture/explosionresistant enclosure 2.50 watrod 20 19 5½ in dia 140 mm 6 in dia 174.6 mm ¾ in npt knockout 0.475 in 12.1 mm dia elements thermowell 2½ in 64 mm bundle 2 in 55.6 mm cold ref 6 in dia b 174.6 mm 1½ in npt hubs 0.475 in 12.1 mm dia elements thermowell moisture/explosionresistant 7 in dia 193.7 mm ® 2½ in 64 mm bundle 2 in 55.6 mm cold ref 8 in dia 211.1 mm 1½ in npt hubs b ® type 4 30-110°f code delivery number 7 in dia 193.7 mm description volts 8 w/in2 3 steel plug 3-steel element 1.3 w/cm2 240 480 240 480 240 480 240 480 240 480 240 480 240 480 kw 1.0 1.0 1.5 1.5 2.0 2.0 2.5 2.5 3.0 3.0 4.0 4.
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immersion heaters watrod and firebar ansi flange immersion heaters 6 150 firebar flange ® ® application medium weight oils and heat transfer oils · · · · 6 inch 150 lb ansi flange firebar elements without thermostat general purpose or moisture-resistant enclosures general purpose and moisture resistant thermowell 1 in 25 mm firebar element 57/8 in o.d 149.2 mm 7 8 in 203 mm 4 in 102 mm cold ref 83/8 in 212.7 mm b the number and size of the conduit opening will comply with the national electrical code® standards circ 5 5 5 5 5 5 5 5 5 5 5 5 5 b dim ship wt in mm lbs kg 133/8 16 18 /8 3 8 150 flange description 15 w/in2 3 304 ss flange 15-incoloy® elements 2.3 w/cm2 volts 240 240 240 240 480 240 480 240 480 240 480 240 480 kw 10.0 12.5 15.0 20.0 20.0 25.0 25.0 30.0 30.0 40.0 40.0 50.0 50.0 ph 3 3 3 3 3 3 3 3 3 3 3 3 3 code code del del number number general purpose enclosure moisture-resistant enclosure rs rs rs rs rs rs rs rs rs rs rs rs rs fpnf13g29w fpnf16a29w fpnf18g29w fpnf22
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circulation heaters watrod and firebar circulation heaters application clean water 5 ® ® · watrod or firebar elements · without thermostat · general purpose enclosure code description volts kw ph circ number 5 inch 150 lb ansi flange watrod 60 w/in2 240 24.0 1 3 cfnc727a10s steel tank 240 24.0 3 2 cfnc727a3s 6-copper 480 24.0 1 3 cfnc727a11s elements 480 24.0 3 1 cfnc727a5s 2 9.3 w/cm 240 30.0 3 2 cfnc732j3s 480 30.0 1 2 cfnc732j11s 480 30.0 3 1 cfnc732j5s 240 36.0 3 2 cfnc738a3s 480 36.0 1 2 cfnc738a11s 480 36.0 3 1 cfnc738a5s 480 50.0 3 2 cfnc751a5s 480 60.0 3 2 cfnc760j5s 5 inch 150 60 w/in2 steel tank 9-copper elements 9.3 w/cm2 lb ansi flange 240 36.0 3 480 36.0 1 480 36.0 3 240 45.0 3 480 45.0 1 480 45.0 3 240 54.0 3 480 54.0 1 480 54.0 3 480 75.0 3 480 90.0 3 lb ansi flange 240 24.0 1 240 24.0 3 480 24.0 1 480 24.0 3 240 36.0 1 240 36.0 3 480 36.0 1 480 36.0 3 240 48.0 3 480 48.0 1 480 48.0 3 240 60.0 3 480 60.0 1 480 60.0 3 240 72.0 3 480 72.0 3 480 100.0 3 480 120.0 3 watr
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air heaters duct heaters d series d ® abcg typical ® application medium temperature air 750°f 399°c · · · · removable incoloy® watrod elements without thermostat general purpose enclosure steel flange 11 in 295 mm 3½ in 89 mm typical e 9 in 229 mm 10½ in 267 mm 8¾ in 222 mm b a 1 6 and 12 element heaters have 1 1 inch npt conduit opening 18 24 30 and 42 element heaters have 2 1 inch npt conduit openings 36 48 54 and 60 element heaters have 2 1 inch npt and 2 11/4 inch conduit openings 2 all flanges are 12 inches wide f in 10 mm diameter 3½ in 89 mm 7 ¼ in 6 mm in 200 mm of code elem volts kw ph circ number 30 w/in2 4.7 w/cm2 36 36 36 42 42 42 48 48 48 54 54 54 60 60 60 60 60 60 60 60 240 54.0 480 54.0 480 54.0 240 63.0 480 63.0 480 63.0 240 72.0 480 72.0 480 72.0 240 81.0 480 81.0 480 81.0 240 90.0 480 90.0 480 90.0 3 1 3 3 1 3 3 1 3 3 1 3 3 1 3 3 d36sx3s 3 d36sx11s 2 d36sx5s 7 d42sx3s 3 d42sx11s 2 d42sx5s 4 d48sx3s 4 d48sx11s 2 d48sx5s 6 d54sx3s 6 d54sx11s 3 d54sx5s 5 d60sx3s 4 d
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specialty heaters ultramic advanced ceramic heaters technical data product ordering information code number square cer-1-01-00002 cer-1-01-00374 cer-1-01-00093 cer-1-01-00097 cer-1-01-00333 cer-1-01-00334 cer-1-01-00335 dimensions mm in 25 mm x 25 mm 0.98 in x 0.98 in 50 mm x 50 mm 1.97 in x 1.97 in 25 mm x 25 mm 0.98 in x 0.98 in 19 mm x 19 mm 0.75 in x 0.75 in 15 mm x 15 mm 0.59 in x 0.59 in 12 mm x 12 mm 0.47 in x 0.47 in 8 mm x 8 mm 0.31 in x 0.31 in thickness mm in 2.5 mm 0.10 in 3.0 mm 0.12 in 2.5 mm 0.10 in 2.5 mm 0.10 in 2.5 mm 0.10 in 2.5 mm 0.10 in 3.0 mm 0.12 in watt density high medium low low medium high low watts 967 1938 150 200 150 200 21.5 volts 240 240 120 120 48 48 12 lead exit side side side side side side top area mm in 625 mm2 0.96 in2 2500 mm2 3.88 in2 625 mm2 0.96 in2 360 mm2 0.56 in2 225 mm2 0.35 in2 144 mm2 0.22 in2 64 mm2 0.099 in2 rectangular cer-1-01-00001 cer-1-01-00003 cer-1-01-00004 cer-1-01-00005 cer-1-01-00007 cer-1-01-00098 cer-1-01-0
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radiant heaters raymax panel heaters raymax 1220 and 2030 easy to install and capable of high surface temperatures the raymax 1220 and 2030 are ideal for many process heating applications requiring hot-face temperatures above 1000°f 540°c each unit consists of a ceramic fiber heater mounted in a 21/2 in 64 mm deep sheet metal case providing thermal insulation the case includes post terminals for electrical connections and provides a mounting system that can be used with virtually any flat ceramic fiber unit since any of the flat unit heating element configurations can be used exposed sinuated embedded coil or foil elements watt density and temperature capabilities can be tailored to meet a specific radiant application performance capabilities · raymax 2030 uses sinuated or coil elements temperatures up to 2000°f 1095°c watt densities up to 30 w/in2 4.7 w/cm2 · raymax 1220 uses an etched foil element temperatures up to 1200°f 650°c watt densities up to 20 w/in2 3 w/cm2 · maximum
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notes 624 watlow®
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