Parker Velcon, OS Series, Aviation & Industrial Coalescer Filter Cartridges

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The OS Series combination coalescer/separator cartridges Filter dirt and remove water from aviation and diesel fuels. Performance is improved due to Teflon® coated screen separators and reliable radial sump seals.

Designed for superior performance in Velcon VF-61, VF-61E & VF-609 Housings, Facet's VFCS-21 & VFCS-22 Filter/Separator Vessels & Racor's FBO-10 & FBO-14 Housings

Features

• Can be used with pre-mixed fuel containing anti-icing additive
• One piece replacement combination coalescer and separator cartridge
• OS-51288 Cartridge: Laboratory tested to 0.2% water in incoming fuel, 10 ppm in effluent*
• Teflon® coated screen separator
• Reliable radial sump seal design
• Nominal 0.5 micron particle eiciency for jet fuel and avgas; 5 micron for diesel fuel
• Minimum 75 psid collapse strength
• Flow direction – outside to inside
• Operating temperatures up to 240°F (115°C)
• 5 - 9 operating pH range

Description

Flow is from outside to inside through the cartridge. Coalesced water is repelled by the separator and drops to the sump for daily draining. Clean, dry fuel exits the cartridge through the nozzle at the top.

Replace the cartridge when the differential pressure exceeds 15 psi or after 1 year of service, whichever occurs Arst.

*Because of the limited sump space in these vessels, IT IS IMPERATIVE to drain the sump at EVERY FUELING. It is also important to recognize that these OS cartridges by themselves do not provide a water defense system. One water defense option is to use the Water Detection Probe, Velcon part number 125-Q.

*EI (Energy Institute) is the new specification authority. API (American Petroleum Institute) is no longer involved in aviation fuel filtration specifications.