Compressed air filter-regulator P31E series

compressed air filter-regulator
compressed air filter-regulator
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Designed for
compressed air
Other characteristics
Filtration size

5 µm

Operating pressure

Max.: 16 bar (232.06 psi)

Min.: 0 bar (0 psi)


0.01 m³/s (0.353 ft³/s)


P31E is a 40mm mini combined filter/regulator, 1/4" ported BSPP/NPT, 5µ element, poly/metal bowl fitted with manual/pulse drain. Max P1 pressure of 17 bar with P2 ranges 0 to 2, 4, 8 & 16 bar. Temp from -10°C to 65.5°C. Parker's P31E is a mini particulate filter/regulator that provides accurate pressure regulation and high moisture removal efficiency in a compact package. P31E is a one piece combined filter/regulator which minimises space and piping by incorporating two units into one. With a balanced poppet design and a 5 micron filter element this filter/regulator delivers quick response, accurate pressure regulation and a high rate of particulate removal. For low flow and space restricted applications this product can provide a solution that does not sacrifice performance. The P31E can also be mounted using a modular connector to other P31 global air preparation product. The various options available such as pulse drain, manual drain, gauge, assortment of bowl/drain options, pressure range and preset pressures make this series easy to design to your application. Markets: • Vehicle Assembly Facilities • MRO • Lab Diagnostic • Miscellaneous Processing • Industrial • Processing • Life Science • Pharma Features/Benefits: • Integral 1/4" ports (NPT, BSPP & BSPT) • High efficiency 5 micron element as standard • Excellent water removal efficiency • Robust but lightweight aluminum construction • Positive bayonet latch to ensure correct & safe fitting • Secondary pressure ranges 0-2 bar (0-30 psig), 0-4 bar, (0-60 psig), 0-8 bar (0-125 psig), 0-16 bar (0-232 psig) • Secondary aspiration plus balanced poppet providesquick response and accurate pressure regulation


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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.