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Description: The EXHEAT® ‘RFA’ series of flameproof rod-type immersion heaters is suitable for installation in process tanks, safety showers, engine sumps, pressure vessels and similar plant, located in Zone 1 and Zone 2 Hazardous Areas where the flammable atmosphere is a Group IIA, IIB or IIC Gas. They are suitable for heating all process liquids or gases which are non-corrosive to the materials of construction.
Certified Ex II 2 G to the ATEX Directive 94/9/EC.
Lightweight cast aluminium alloy terminal enclosure with weatherproof protection to IP66 and IP67.
Choice of built in process temperature sensors.
Suitable for ambient temperatures down to -40°C.
Mounting of the heater can be by a threaded boss or an industry standard flange.
Designed for horizontal installation only. Vertical mounting version available on request.
Typical Application
Pre-heating oil & water
Processing Equipment
Cleaning and Rinsing Tanks
Heat Transfer Systems
Boiler Equipment
Frost protection
‘RFA’ Flameproof Immersion Heater Technical Data Tables:
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Product Type: RFA Flange Type: 1¼" BSP Boss (Screwplug) Flange Material: Brass Flange Finish: Natural Inactive Length (mm): 50 Element Sheath Material: Incoloy 825 Enclosure Material: Aluminium Enclosure Finish: Red (RAL 3002) Enclosure Protection: IP66 Temperature Control: Thermostatic Max Working Temp(°C): 80 Max Working Pressure (bar.g): 5 PED Category: SEP Supply: See Table ATEX Category: Ex II 2 G Ex Marking Code: Ex d IIC Temperature Class: T4
Product Type: RFA Flange Type: 2" BSP Boss (Screwplug) Flange Material: Brass Flange Finish: Natural Inactive Length (mm): 50 Element Sheath Material: Incoloy 825 Enclosure Material: Aluminium Enclosure Finish: Red (RAL 3002) Enclosure Protection: IP66 Temperature Control: Thermostatic Max Working Temp(°C): 80 Max Working Pressure (bar.g): 5 PED Category: SEP Supply: See Table ATEX Category: Ex II 2 G Ex Marking Code: Ex d IIC Temperature Class: T4
Product Type: RFA Flange Type: 2" BSP Boss (Screwplug) Flange Material: Brass Flange Finish: Natural Inactive Length (mm): 50 Element Sheath Material: Incoloy 825 Enclosure Material: Aluminium Enclosure Finish: Red (RAL 3002) Enclosure Protection: IP66 Temperature Control: Thermostatic Max Working Temp(°C): 80 Max Working Pressure (bar.g): 5 PED Category: SEP Supply: See Table ATEX Category: Ex II 2 G Ex Marking Code: Ex d IIC Temperature Class: T4
Product Type: RFA Flange Type: 2" BSP Boss (Screwplug) Flange Material: Brass Flange Finish: Natural Inactive Length (mm): 50 Element Sheath Material: Incoloy 825 Enclosure Material: Aluminium Enclosure Finish: Red (RAL 3002) Enclosure Protection: IP66 Temperature Control: Thermostatic Max Working Temp(°C): 80 Max Working Pressure (bar.g): 5 PED Category: SEP Supply: See Table ATEX Category: Ex II 2 G Ex Marking Code: Ex d IIC Temperature Class: T4
Product Type: RFA Flange Type: 2¼" BSP Boss (Screwplug) Flange Material: Brass Flange Finish: Natural Inactive Length (mm): 50 Element Sheath Material: Incoloy 825 Enclosure Material: Aluminium Enclosure Finish: Red (RAL 3002) Enclosure Protection: IP66 Temperature Control: Thermostatic Max Working Temp(°C): 80 Max Working Pressure (bar.g): 5 PED Category: SEP Supply: See Table ATEX Category: Ex II 2 G Ex Marking Code: Ex d IIC Temperature Class: T4
Product Type: RFA Flange Type: 2¼" BSP Boss (Screwplug) Flange Material: Stainless Steel (316) Flange Finish: Natural Inactive Length (mm): 50 Element Sheath Material: Incoloy 825 Enclosure Material: Aluminium Enclosure Finish: Red (RAL 3002) Enclosure Protection: IP66 Temperature Control: Thermostatic Max Working Temp(°C): 80 Max Working Pressure (bar.g): 5 PED Category: SEP Supply: See Table ATEX Category: Ex II 2 G Ex Marking Code: Ex d IIC Temperature Class: T4
Product Type: RFA Flange Type: 2½" BSP Boss (Screwplug) Flange Material: Stainless Steel (316) Flange Finish: Natural Inactive Length (mm): 50 Element Sheath Material: Incoloy 825 Enclosure Material: Aluminium Enclosure Finish: Red (RAL 3002) Enclosure Protection: IP66 Temperature Control: Thermostatic Max Working Temp(°C): 80 Max Working Pressure (bar.g): 5 PED Category: SEP Supply: See Table ATEX Category: Ex II 2 G Ex Marking Code: Ex d IIC Temperature Class: T4
