HCS Series

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HCS Series

Category C Coalescer Separator housings are for commercial aviation fuel. Type S qualifications can be used at all filtration points in an aviation fueling
system. Type S is meant to be used at filtration points where significant levels of water and dirt in the product can be expected. Facet HCS Series Horizontal
Coalescer Separator housings fully comply with EI 1581, Category C, Type S requirements.


Facet coalescer separators are a result of over 50 years of continuous research and development to meet the ever demanding performance requirements in the aviation fuel handling industry.
This, along with proven field performance, demonstrates Facet’s ability to provide quality products that meet current specifications as well as specific customer requirements for installations in
refineries, bulk storage, terminals, heliports, airports, etc.


• EI 1596 Design & Construction

• Welded carbon steel construction—other materials available on request

• ASME Code, Section VIII construction, stamped and certified

• Design pressure: 150 psi @ 250˚F—other design pressures available on request

• Inlet, outlet and drain connections permanently marked

• Interior: Epoxy coated (MIL-PRF-4556)

• Exterior: Prime coated

• Swing bolt head closures

• Hinged end opening cover

• Flanged inlet and outlet connections

• Buna-N o-ring closure seal

• Choice of rod or screw base coalescer cartridge mounting styles

• 4″ inlet/outlet cleanout/inspection connections (when permitted by design)

• Knife edge cartridge mounting seals

• Spider plate attached to vessel wall


• Automatic air eliminator with check valve*

• Pressure relief valve*

• Differential pressure gauge*

• Pilot control valve

• Pilot tester

• Water slug control valve

• Electrical water-level alarm

• Water drain valves

• Liquid level gauge

• Blind cover for pilot control mounting flange

• Immersion heaters

• Sampling probes

(* Mandatory for 5th Edition)

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