High-Temperature Heaters Max. Operating Typical Max. Temperatures Watt Densities High-Temperature Heaters Sheath Materials °F °C W/in2 W/cm2 Page MULTICELL™ Alloy 800 2050 1120 30 4.6 411 High-Temperature FIREROD® Platen 1800 982 100 15.5 417 High-Temperature Tubular Alloy 800 1800 983 30 4.6 418 Ceramic Fiber Ceramic fiber 2200 1204 30 4.6 419 High-Temperature Heaters 409 410 High-Temperature Heaters EXTENDED Extended Capabilities for CAPABILITY MULTICELL™ Heaters The advanced design of the MULTICELL™ insertion heater from Watlow® offers three major advantages: extreme process temperature capability, independent zone control for precise temperature uniformity and loose fit design for easy insertion and removal. Performance Capabilities • Engineered to achieve sheath temperatures up to 2050°F (1120°C) • Up to six independently controllable zones Multiple 3 6 Zoned Platens 2 5 1 4 No-heat Toe End No-heat Section Designed for Longer Element Life Potting Cup to Seal Electrical Termination High-Temperature Flexible Leads Wide Range of Terminations Available Independently Controllable Heated Zones Features and Benefits Resistance High Grade MgO Zone 1 Multiple, independently controllable zones Wire Insulation • Allows process temperature uniformity not possible with any other single-sheathed heater Radiant design of heater • Allows for loose insertion in boiling holes and piping holes Cross Section Zone 3 High Temperature Zone 2 • Permits easy removal and replacement with minimal Alloy for Outer Sheath down time since it will not bind or seize in the hole Oxidized sheath Typical Applications • Provides high emissivity and improves the heater’s • Hot isothermal forming performance as oxidation increases • Soil remediation Individual metal-sheathed coils swaged into a • Hot forging dies larger, high-temperature alloy outer sheath • Heated platens • Provides maximum protection against element • Super plastic forming burnout through the outer sheath • Heated platens (single and multiple zones) Quick disconnect plug and jack • Permits fast replacement of individual elements while • Heat treating processes the press stays at operating temperature • Super plastic forming with diffusion bonding Special bending capabilities • Polysilicon ingots • Solves unusual machinery needs and keeps leads • Hot gas generation away from heated zones • Hazardous waste treatment systems Flexible leads up to 842°F (450°C) • Protects termination from high temperature environments 411 High-Temperature Heaters EXTENDED Extended Capabilities for CAPABILITY MULTICELL™ Heaters Applications and Technical Data Definition of Terms MULTICELL Heaters: Cold Toe: A physical minimum requirement of The High Temperature Choice 5 5 1 /8 ± /16 inch Independent Zone: Up to three, separately controlled 2050°F zones, which can be of varying lengths and wattages (1120°C) Heated Length: The combined sum of all independent zones 1800°F Wattage: Ratings are the combined sum of all (980°C) independent zones 1600°F 1600°F (870°C) (870°C) Sheath Length Heated Length ±2% Lead Wire No-Heat Independently Independently Independently Length Section Controlled Controlled Controlled Terminations Zone Zone Zone Cold Toe 5 1.6 ± /16 Sheath Temperature Typical Cartridge Heater Typical Tubular Heater High-Temperature Tubular Heater Watlow MULTICELL Heater 412 High-Temperature Heaters EXTENDED Extended Capabilities for CAPABILITY MULTICELL™ Heaters Applications and Technical Data (Continued) Physical Design Parameters 0.935 Inch Diameter MULTICELL Heater All bending of a MULTICELL heater is restricted to the Sheath Min. Total Heated cold area of the heater. All bend radii points must be Length No-Heat Length 1 in. (25 mm) from the hot/cold junction. Diameter Bending Min./Max. Length Min./Max. in. Style in. (mm) in. (mm) in. (mm) “L” 0.935 Straight 14 (356) Contact Watlow 6 (152) 225 (5715) Contact Watlow 160 (4064) Straight Length 90° Heated Length 0.935 Angle 17 (432) Contact Watlow 6 (152) No-Heat • 1 225 (5715) Contact Watlow 172 /2 (4382) E R 0.935 L 18 (457) Contact Watlow 6 (152) 1 in. (25 mm) 225 (5715) Contact Watlow 1701/4 (4324) Min. l 0.935 Crank 23 (584) Contact Watlow 6 (152) 225 (5715) Contact Watlow 163 (4140) 0.935 Droop 18 (457) Contact Watlow 6 (152) Droop 225 (5715) Contact Watlow 168 (4267) Straight Length Symbol E r X R l No-Heat Heated Length Min. Length 4 21/2 11/2 21/2 12 • X in. (mm) (102) (38) (38) (38) (305) R Zones 1 2 3 E r 1 in. (25 mm) Min. Min. Heated 6 6 6 in. (mm) (152) (152) (152) l 0.685 Inch Diameter MULTICELL Heater Sheath Min. Total Heated Length No-Heat Length Straight Diameter Bending Min./Max. Length Min./Max. Straight Length in. Style in. (mm) in. (mm) in. (mm) l Heated Length 0.685 Straight 14 (356) Contact Watlow 6 (152) 225 (5715) Contact Watlow 178 (4521) 4 in. 0.685 Angle 17 (432) Contact Watlow 6 (152) (102 mm) 1 Min. No-Heat 225 (5715) Contact Watlow 173 /2 (4407) 0.685 L 18 (457) Contact Watlow 6 (152) Angle 225 (5715) Contact Watlow 172 (4369) Straight Length 0.685 Crank 18 (457) Contact Watlow 6 (152) No-Heat Heated Length 225 (5715) Contact Watlow 163 (4267) 1 0.685 Droop 15 ⁄2 (394) Contact Watlow 6 (152) l 1 in. 225 (5715) Contact Watlow 170 (4331) (25 mm) Min. Symbol E r X R l Min. Length 4 11/2 11/2 11/2 12 Crank in. (mm) (102) (38) (38) (38) (305) Straight Length Zones 1 2 3 r • Heated Length Min. Heated 6 6 6 in. (mm) (152) (152) (152) X R 1 in. (25 mm) L Min. E No-Heat 413 High-Temperature Heaters EXTENDED Extended Capabilities for CAPABILITY MULTICELL™ Heaters Applications and Technical Data (Continued) Tab Styles Weldments to the MULTICELL Heater Element 1 in. (25 mm) Min. 1 in. (25 mm) Min. No-Heat No-Heat HTD Section Hot Cold Full View Junction ⁄in. 1 in. 1 in. ⁄in. ⁄in. (25 mm) 1 in. (15.9 mm)(15.9 mm) (25 mm) (25 mm) ¾in. ¾in. ½in.(15.9 mm)½in. (19.1 mm) ¾in. ½in. Slot* (19.1 mm)(19.1 mm) (13 mm) (13 mm) Slot* Slot* Slot* (13 mm) Slot* Slot* 1 in. Min. (25 mm) 1⁄in. 1⁄in. 1⁄in. 1⁄in. 1⁄in. 1⁄in. (41.3 mm) 1⁄in. 1⁄in. (41.3 mm) 1⁄in. (41.3 mm) (41.3 mm)(41.3 mm) (41.3No-Heat mm) (41.3 mm) 1⁄in. 1⁄in. (41.3 mm) ⁄in. (41.3 mm)1⁄in. 1⁄in. 1⁄in. ⁄in. ⁄in. (28.6 mm) 1⁄in. (28.6 mm)(28.6 mm) (15.88 mm)(15.88 mm) (28.6 mm)(28.6 mm) (28.6 mm) (15.88 mm) ⁄in. R ⁄in. R (9.5 mm)(9.5 mm) ⁄in. R ½in. R ½in. R (9.5 mm) ⁄in. R ⁄in. R (13 mm) (13 mm) ½in. R * ⁄ in. (7.9* ⁄ mm) in. (7.9x ⁄in. mm) (11.1 x ⁄in. mm) (11.1 mm) (9.5 mm)(9.5 mm) ⁄in. R (13 mm) * ⁄ in. (7.9 mm) x ⁄in. (11.1 mm) (9.5 mm) * ⁄ in. (7.9* ⁄ mm) in. (7.9x ¾in. mm) (19 x mm)¾in. (19 mm) * ⁄ in. (7.9 mm) x ¾in. (19O.D. mm) Style S1 Style S2 O.D. O.D. Style S3 I.D. I.D. I.D. 90° 90° 180° 1 in. 1Min. in. 90° 180° 180° Tabs and rings are(25 used mm) to hold the heater in place and keep it from creeping.(25 Available⁄in. mm) Min. in carbon steel, 304 and 316 SS.1 in. No-Heat (25 mm) (15.9No-Heat mm) ¾in. ⁄in. ½in. 1 in.1 in. (19.1 mm) ⁄in. (25 mm) Slot* (15.9 (15.9mm) mm)(13 mm) (25 mm) ¾in.¾in. Slot* ½in. (19.1 mm) Ring Styles ½in. Slot* (19.1 mm) (13 mm)(13 mm) Slot* Slot* Dia. Dia. R R R Dia. Slot* Dia. R R R Dia. Dia. 1⁄in. 1⁄in. 1⁄in. (41.3 mm) 1⁄in.1⁄in. 1⁄in.(41.3 mm) (41.3 1⁄in.mm)1⁄in.QUARTERQUARTER WASHER WASHER HALF WASHERHALF WASHER Full Washer1⁄in.Full Washer QUARTER1⁄in. WASHER (41.3(41.3 mm) mm) HALF WASHER 1⁄in. (41.3 mm)Full Washer ⁄in. (41.3(41.3 mm) mm) (28.6 mm) (41.3 mm) (15.88 mm) (28.6 mm)1⁄in. 1⁄in.1⁄in. ⁄in.⁄in. 1⁄in. (28.6 mm) (15.88 mm) (28.6(28.6 mm) mm) (28.6 mm) (15.88 mm) 1 in. Min. (25 mm) ⁄in. R No-Heat ⁄in.⁄in. R(9.5 R mm) ½in. R (9.5 mm)(9.5 mm) ⁄in. R ½in.(13 ½in. mm)R R * ⁄ in. (7.9 mm) x ⁄in. (11.1 mm) (9.5 ⁄in.mm)⁄in. R R (13 mm)(13 mm) * ⁄ *in. ⁄ (7.9 in. mm)(7.9 mm) x ⁄in. x ⁄in. (11.1 (11.1 mm) mm) (9.5 Fullmm)(9.5 Viewmm) * ⁄* ⁄ * in. ⁄ in.(7.9 in. (7.9 mm)(7.9 mm) mm) x ¾in. x ¾in. ¾in.(19 mm) (19 (19 mm) mm) O.D. O.D.O.D. I.D. I.D.I.D. 90°90° 90° 180°180°180° 1 in. Min. (25 mm) No-Heat Dia. R Dia. R R R Dia. Dia. Dia. R R Dia. Style S4 Style S5 Style H1 QUARTERQUARTER WASHER WASHER HALFHALF WASHER WASHER Full WasherFull Washer QUARTER WASHER HALF WASHER Full Washer 414 High-Temperature Heaters EXTENDED Extended Capabilities for CAPABILITY MULTICELL™ Heaters Termination Standards Potting Sleeves Ceramic Wedge with 10-32 Threaded Terminals B B A A Heater O.D. Dimension A Dimension B in.