
FP Hazardous Area Process Heaters
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The FP type flameproof electric heaters comprise a large range of process flow heaters, certified for use in hazardous areas and are custom built to meet client specifications.
Features
- Certified to ATEX, IECEx or CSA standards
- Terminal box is certified weatherproof to IP66 as well as Type 4 or 4X standards
- Temperature classifications T1 to T6
- Up to 1400kW (larger ratings achieved by a combination of enclosures)
- Elements are individually replaceable on site without the need for special tools
- Anti-condensation heaters fitted, if required
Specifications
Certifications | ATEX / IECEx ![]() Ex d IIC T1 to T6 Gb Ex tb IIIC T85 to T450°C Db IP66 EN 60079-0, EN 60079-1, EN 60079-7, EN 60079-31 CSA (CEC / NEC) Class I, Div 1, Groups A, B, C, D; T1 to T6, Enclosure Type 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), CNEx, CCOE, Inmetro, KGS |
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Vessel Design Codes | PED Compliant Stoomwezen CODAP PD 5500 2000 Cat 1 ASME VIII Div 1/2 EN13445 AS 1210 AD Merkblätter |
Vessel Materials | Carbon steel Duplex Monel Low temperature steel Titanium Nickel alloys Stainless steel Super austenitic |
Elements | Manufactured from 80/20 NiCr resistance wire with high purity compacted magnesium oxide powder sheathed within corrosion / erosion resistant tube, eg: Incoloy 800/825 316/316L stainless steel Inconel 600/625 321 stainless steel Titanium Monel Element sheath available in welded or seamless tube up to 1.6mm thick |
Internals | Elements are supported in a segmental or rod type baffle assembly to prevent flow-induced vibration and hot spots, generally complying with TEMA standards |
Element to Tubesheet | Generally, elements are sealed into the flange by ‘Bite’ type couplings which provide a 100% seal at pressures up to 400 barg and give the opportunity to replace individual elements on site; elements can be welded to the tubesheet, in stand-off and non-stand-off configurations |
Terminal Box | Manufactured from either iron or stainless steel |
Voltage | Suitable for voltages up to 690V (600V CAN and USA) |