‘RFA-CA’ Flameproof Cartridge Immersion Heater

The RFA-CA range of flameproof removable cartridge heaters offers a Hazardous Area heating solution for oil and similar applications where low heat density is required. The element can be withdrawn for inspection without system drain down. The standard heater consists of a single or multiple cartridge elements fitted into a mounting flange. A robust flameproof terminal enclosure protects the electrical connections. The watts density of the element cartridge fitted depends upon the medium to be heated and the kilowatt rating required.
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‘RFA-CA’ Flameproof Cartridge Immersion Heater

Features

Choice of built in process temperature sensors

Lightweight cast aluminium alloy terminal enclosure with weatherproof protection to IP66 and IP67

Certified ATEX II 2 G to meet the ATEX Directive 94/9/EC and GOST-R

Suitable for ambient temperatures from -40°C to +40°C

Mounting of the heater can be by threaded boss or an industry standard flange

Designed for horizontal installation only. Vertical mounting version available on request

Can be supplied with the terminal box mounted away from the fixing boss/flange for high process temperatures

Typical Applications

Pre-heating oil & water

Processing Equipment

Cleaning and Rinsing Tanks

Heat Transfer Systems

Boiler Equipment

Frost protection

Compressors

Turbines

Specification

Certification
ATEX Certified EX II 2 G Ex’d’ IIC T4 to T6 to EN60079-0 and EN60079-1
GOST-R Certified
Enclosure
Cast Aluminium alloy with a maximum of two cable entries, external and internal earths, screwed terminal cover, finished in epoxy paint
Elements
Removable cartridge, comprising high quality 80/20 Nickel Chrome resistance wire, contained within 316L Stainless Steel sheath
Element
304 Stainless Steel secured by either brazing or welding depending upon the process application
Controls
Heater over-temperature protection is fitted as standard
Mounting
Any threaded boss or flange in any material can be specified within the limits of the design parameters. Heaters can be either ‘direct-on‘ or ‘stand-off‘
Rating
Maximum loading 8kW
Voltage
Any electrical supply up to 690v

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Standard Products Sales Lines:
+44 (0)1953 886 210 - UK
+65 6496 4629 - ASIA

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