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FP Flameproof Rod-Type Immersion Heaters

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The FP range of flameproof rod-type immersion heaters is a highly adaptable solution that can be customised to suit the process requirements of our clients, and are suitable for heating all types of process mediums which are non-corrosive to the materials of construction, and carry multiple approvals for global supply.

The FP rod-type immersion heater range is certified for use in hazardous areas where the atmosphere is classified as a Zone 1 or 2 (IIA, IIB, IIC) gas group, or a Zone 21 or 22 (IIIA, IIIB, IIIC) dust group.

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Features

Certified to ATEX and IECEx standards
Mild steel or 316 stainless steel terminal enclosure with weatherproof protection to IP66 or Enclosure Type / NEMA 4 or 4X
Choice of built in process temperature sensors
Suitable for ambient temperatures from -60°C to +60°C (subject to cert parameters)
Mounting of the heater can be by a threaded boss or an industry standard flange
Designed for horizontal installation (vertical mounting version available on request)
Can be supplied with the terminal box mounted away from the fixing boss / flange for high process temperatures

Applications

Model

Model	FP4	FP6	FP8	FP10	FP12
Min Flange Size (Ins)	3	6	8	10	12
Min Flange Size (mm)	75	150	200	250	300
Max Cable Entries	1 off M25 & 1 off M20	1 off M32 & 2 off M25	2 off M25 & 1 off M40	2 off M32 & 1 off M25	3 off M32 & 1 off M20
Max Elements w/o Standoff	6	15	21	39	54

Specifications

Certifications	ATEX / IECEx II 2 G/D Ex d IIC T1 to T6 Gb Zone 1 and 2 ATEX / IECEx Ex tb IIIC T450°C to T85°C Db Zone 21 and 22 (IP66) CSA (CEC/NEC) Class I, Div 1, Groups A, B, C, D; T1 to T6, Enclosure Type / NEMA 4 or 4X CSA (CEC) Ex d IIC; T1 to T6 Gb, IP66 (CAN) CSA (NEC) Class I, Zone 1, AEx d IIC; T1 to T6 Gb, IP66 (USA) CU TR (EAC), KGS, CNEx, CCOE (CCEs), Inmetro
Enclosure	Mild steel or 316 stainless steel, external and internal earths, screwed terminal cover, finished in epoxy paint (if required)
Elements	A choice of rod-type elements comprising of 80/20 nickel chrome resistance wire, compacted in high purity magnesium oxide insulating powder and encased in either Incoloy or stainless steel sheath, secured by compression fittings, brazing or welding, depending upon the process application
Controls	Heater over-temperature protection is fitted as standard (optional process temperature sensing devices can be incorporated in the form of thermostats, RTD's or thermocouples)
Mounting	Any threaded NPT or BSP boss, or flange in any material, can be specified within the limits of the design parameters; heater terminal box can be either 'direct-on' or 'stand-off', depending on process temperature
Rating	To suit process requirements within the design and certification parameters
Voltage	Any electrical supply up to 690V (600V CSA)