4500 1/4", 3/8", 1/2" NPT NRV Breathers

Midland-ACS 316L Stainless Steel non-return breather to prevent ingress into exhaust and vent ports.

Features and Benefits:

  • Specifically designed for severe environments
  • Ambient Temperature Range -20 ºC to +70º C
  • 316L Stainless Steel

Working Temperature Range:

  • -20 ºC to +70 ºC (-4 ºF to +158 ºF)

Working Pressure:

  • 12 bar (174 psi)

Ports NPT (BSP option available):

  • 1/4” to 1/2”

Operating Media:

  • Gases - filtered lubricated or non-lubricated
  • Air, inert gas, sweet (natural) gases

Maximum Flow:

At 6 bar, 1 bar differential:

  • 1/4” - 646 L/Min (23 SCFM)
  • 3/8” - 1300 L/Min (45 SCFM)
  • 1/2” - 1550 L/Min (54 SCFM)

Construction Materials:

  • 316L Stainless Steel
  • Non-return sleeve: silicon

See Rotork Midland Ancillaries Catalogue for further details

4500 Series Non-return Valve Breather
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