Process Technology FLX Series Flange Heater
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The Process Technology FLX Series Flange Heater is a PTFE-coated immersion heater engineered for heating aggressive acids and corrosive chemicals. Featuring a heavy-wall fluoropolymer sheath over stainless steel elements, it offers superior chemical resistance for applications like surface finishing, metal deposition, and electroplating. Available in 3″ and 6″ flange sizes, it delivers 1000 to 18,000 watts at 120 to 600 volts, with a built-in thermal protector for safe operation in industrial tanks.

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Brand: Process Technology
Product Type: Flange Immersion Heater (PTFE-Coated)
Applications: Heating aggressive acids, surface finishing, metal deposition, electroplating tanks
Materials: PTFE-coated stainless steel
Wattage Range: 1000 to 18,000 watts
Voltage Range: 120 to 600 volts
Design Features:
Product Type: Flange Immersion Heater (PTFE-Coated)
Applications: Heating aggressive acids, surface finishing, metal deposition, electroplating tanks
Materials: PTFE-coated stainless steel
Wattage Range: 1000 to 18,000 watts
Voltage Range: 120 to 600 volts
Design Features:
- Heavy-wall fluoropolymer sheath for chemical resistance
- Built-in thermal protector for safety
- Low watt density for viscous solutions
Sheath: PTFE-coated stainless steel
Flange Sizes: 3″ and 6″
Protection: Built-in thermal protector, corrosion-resistant head
Custom Options:
Flange Sizes: 3″ and 6″
Protection: Built-in thermal protector, corrosion-resistant head
Custom Options:
- Custom wattages and voltages
- Alternative flange sizes (consult factory)
Watts | Volts | No. of Elements | Overall Length in/mm | Model No. | Ship Wgt. lbs/(kg) |
---|---|---|---|---|---|
1000 | 120 | 1 | 11 (279) | 3FLX1111-** | 20 (9.1) |
2000 | 240 | 1 | 16 (406) | 3FLX2216-** | 23 (10.4) |
3000 | 240 | 1 | 21 (533) | 3FLX3221-** | 26 (11.8) |
4000 | 240 | 1 | 28 (711) | 3FLX4228-** | 29 (13.2) |
5000 | 240 | 1 | 32 (813) | 3FLX5232-** | 32 (14.5) |
6000 | 240 | 1 | 35 (889) | 3FLX6235-** | 35 (15.9) |
3000 | 240 | 3 | 11 (279) | 6FLX3111-** | 42 (19.1) |
6000 | 240 | 3 | 16 (406) | 6FLX6216-** | 51 (23.1) |
9000 | 240 | 3 | 21 (533) | 6FLX9211-** | 60 (27.2) |
12000 | 480 | 3 | 28 (711) | 6FLX1228-** | 66 (29.9) |
15000 | 480 | 3 | 32 (813) | 6FLX1532-** | 75 (34.0) |
18000 | 480 | 3 | 35 (889) | 6FLX1835-** | 84 (38.1) |