1. Hydraulics - Pneumatics
  2. Valve
  3. Air pressure regulator
  4. Parker Precision fluidics Division

Air pressure regulator 831 series

air pressure regulator
air pressure regulator
air pressure regulator
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gas, for air
diaphragm, cartridge, ball
Number of stages
aluminum, stainless steel
precision, for analytical instruments, for chromatography, laboratory
Other characteristics
compact, direct-acting, non-relieving, for low flow rates

17.3 bar
(250.92 psi)


0.1 ft³/min
(0 m³/min)

Orifice diameter

0.125 in


71 °C
(159.8 °F)


The Model 8310 / 8311 regulators incorporate a threadless valve seat assembly with a precision glass ball in a direct-acting, non-relieving pressure design, making them ideal for very low flow carrier gas applications that require bubble tight shut-off. Parker Precision Fluidics Model 8310 / 8311 Regulators incorporate a threadless valve seat assembly with a precision glass ball. It is ideal for very low flow carrier gas applications and provides bubble tight shut-off. The 8310 / 8311 is a direct-acting, non-relieving pressure regulator supplied with a replaceable sintered stainless steel cartridge filter on the inlet. It can be configured with a stainless steel diaphragm to reduce permeability. Each regulator is performance tested and ideally suited for manufacturers of analytical equipment. Markets: • Chemical/Petrochemical • Food & Beverage quality monitoring • Drug Analysis • Forensics and Environmental monitoring Features: • Direct-acting and non-relieving • Compact design enables panel mounting • All bar stock construction reduces production variation • Bubble tight shut-off • Cleaned for Analytical Service Use • Pressure gauge port included • RoHS and REACH compliant Typical Applications: • Environmental Analyzers — Helium or Hydrogen Carrier Gas • Precision Nitrogen Control for Chemical Analysis • Laboratory and Process Gas Chromatography Applications • Argon Gas Regulation for BioReagent Manufacturing


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10-14 Jun 2024 Frankfurt am Main (Germany)

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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.