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| | | Tubular and Process Assem blii | | |
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| | | FIREBAR Heating Elements Specifications | | |
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| | | Applications | | Clamp-on; hoppers, griddles Forced or convection air heating (Also see FINBAR, page 318) | | Clamp-on; hoppers, griddles Forced or convection air heating | | |
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| | | | | | | | | | | | | | | Watt Density | Stock: | up to 40 (6.2) | Stock: | up to 20 | (3.1) | | | | | W/in2 (W/cm2) | M-t-O: | up to 60 (9.3) | M-t-O: | up to 60 | (12.4) | | | | | Surface Area Per Linear Inch (cm) | 2.3 in2 | (14.8 cm2) | 1.52 in2 | (9.80 cm2) | | | | | | Cross Section | | | | | | | | | | Height ± 0.015/0.010" (0.381/0.254 mm) | 1.010 | (25.7) | 0.650 | (16.5) | | | | | | Thickness ± 0.005/0.001" (0.127/0.025 mm) | 0.235 | (5.9) | 0.235 | (5.9) | | | | | | Sheath Material—Maximum | Stock: | 304 S. Steel 1200°F (65013) | Stock: | Incoloy ® | 1400F | (760C) | | | | Operating Temperature | M-t-O: | Incoloy® 1400°F (760°C) | M-t-O: | Incoloy ® | 1400F | (760C) | | | | | | 304 S. Steel 1200°F (65013) | | 304 S. Steel | 1200F | (650C) | | | | Sheath Length | Stock: | 11 to 46 >4 (280 to 1175) | Stock: | 11 M to 52 | (280 to 1321) | | | | inch (mm) | M-t-O: | 11 to 120 (280 to 3048) | M-t-O: | 11 to 116 | (280 to 2946) | | | | Straightness Tolerance | | | | | | | | | | Major axis inch/foot (cm/m): | 0.062 | (0.52) | 0.062 | (0.52) | | | | | | Minor axis inch/foot (cm/m): | 0.062 | (0.52) | 0.062 | (0.52) | | | | | | No-Heat Length (Refer to page 279) | | | | | | | | | | Top Cold End | 1" min., 12" max. (25/305 mm) | 1" min., 12" max. (25/305 mm) | | | | | Bottom (blunt end) Cold End | 1 ph- 0.5 min., 2" max. (13/51 mm) | Only available at 1.25" | | | | | | | | | | | | | | | | |
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| | | 3 ph- 0.75 min., 2" max. (19/51 mm) 480V~(ac)—48 amps 1960V~(ac) 2 milliamps 16 amps 1-phase, 3-phase wye 3or1 0.200Q minimum—14.00Q maximum© Flexible lead wires Threaded stud Quick connect (spade) Screw lug (plate) | | N/A 480V~(ac)—25 amps 1960V~(ac) 2 milliamps 16 amps 1-phase 1 0.200A minimum—14.00fl maximum© Flexible lead wires Quick connect (spade) Screw lug (plate) | | |
| | | Maximum Voltage—Amperage Maximum Hipotential Maximum Current Leakage (cold) Maximum Amperage Per Coil Phase(s) Resistance Coils Ohms/Inch/Unit Terminations | | |
| | | R m DO > ® | | |
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| | | Seals | | Stock: M-t-O: | | Lavacone 392°F (200°C) Ceramic base 2800°F (15351C) | | Stock: M-t-O: | | Lavacone 392°F (200°C) Ceramic base 2800F (1535°C) | | |
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| | | RTV Lavacone | | 500°F (260°C) 390°F (200°C) | | RTV %2 | | 500°F (260°C) 390°F (200°C) 266/350°F(130/176°C) (19) | | |
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| | | Epoxy resin 266/350F (130/176C) | | |
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| | | Minimum Axis Bending Radius inch (mm) (Do Not Field Bend) Mounting Options Surface Finish Options Optional Internal Thermocouple Single-end Configuration Agency Recognition | | Major: Minor: Minor: | | 1 M %2 | | (25) (13) (4) | | Major: Minor: Minor: | | |
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| | | 90°bend 180°bend | | | (13) (4) | | 90°bend 18 °bend | | |
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| | | Bracket (Type 2) Threaded bulkhead Bright Anneal | | Bracket (Type 2) Threaded bulkhead Bright Anneal | | |
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| | | Stock: Slotted M-t-O: Slotted, sealed or welded UL® Component recognition to 480V~(ac) (file # E52951) CSA Component recognition to 480V~(ac) (file #31388) | | Stock: Slotted M-t-O: Slotted, sealed or welded UL® Component recognition to 480V~(ac) (file # E52951) CSA Component recognition to 480V~(ac) (file # 31388) | | |
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| | | © Based on 1-phase, single voltage heater. | | |
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