Heater Catalog - Watlow

Cartridge/Insertion HeatersFIREROD Cartridge HeatersLAMounting OptionsFlanges1⁄16 in. (1.6 mm)(nominal)Locating Ring0.14 in. (3.6 mm)C DHStainless steel flanges are a convenient mounting methodto position a heater within an application. The flange isstaked on and located 1 /4 in. (6 mm) from the lead end.The flange can be located up to 2 1 /4 in. (57 mm) from thelead end if it is over a no-heat section. Use this option incombination with most LA configurations.To order, specify flange, size and locations.Flange SpecificationsFIRERODin. (mm)Diameter Flangein. Size D C H1 /4, 3 /8, 1 /2 FS 1 (25) 3 /4 (19) 0.144 (4)1 /4, 3 /8, 1 /2/8, 3 /4FM 1 1 /2 (38) 1 1 /8 (29) 0.156 (4)5 /8, 3 /4 FL 2 (51) 1 1 /2 (38) 0.201 (5)A stainless steel locating ring can be used as a retainingcollar to position a FIREROD if mounting requirements arenot critical.For LA, specify the location if the no-heat extensionoption is requested. On FIRERODs with crimped on leadswithout the LA option, the locating ring will be located onthe last 1 /4 in. (6 mm).To order, specify locating ring.Locating Ring SpecificationsDiameter 1 /4 3 /8 1 /2 5 /8 3 /4Ring O.D.in. (mm) 1 /2 (13) 5 /8 (16) 3 /4 (19) 7 /8 (22) 1 (25)24 WATLOW ®