(12 Bar) 1/4" to 2" NPT Non-Return Valves

Midland-ACS 316L Stainless Steel non-return valves for pressures up of 12 bar (174 psi).

Features and Benefits:

  • Specifically designed for severe environments
  • Ambient Temperature Range -20 ºC to +70 ºC
  • Low temperature option available
  • 316L Stainless Steel

Working Temperature Range:

  • -20 to +70 ºC (-4 to +158 ºF)
  • Low temperature version -50 to +90 ºC (-58 to +194 ºF optional)

Working Pressure:

  • 12 bar (174 psi)

Ports NPT (BSP option available)

Operating Media:

  • Gases - filtered lubricated or non-lubricated
  • Air, inert gas, sweet (natural) gases
  • Sour gas option available
  • Liquids - Low pressure hydraulic, mineral oil or water

Construction Materials:

  • Body: 316L Stainless Steel
  • Spring: 316 Stainless Steel
  • Seals: Nitrile (EPDM on low temperature option)
  • Internals: 316L Stainless Steel

Maximum Flow:

At 6 bar, 1 bar differential:

Non Return Valves (12 bar)

  • 1/4” - 1600 L/Min (57 SCFM)
  • 3/8” - 2200 L/Min (80 SCFM)
  • 1/2” - 3800 L/Min (137 SCFM)
  • 3/4” - 5800 L/Min (205 SCFM)
  • 1” - 7700 L/Min (274 SCFM)

See Rotork Midland Ancillaries Catalogue for further details

4500 SAeries Non-return Valve
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