1 1/2", 2" Pressure Regulators

Midland-ACS 3575 Series 1 1/2" to 2" Pressure Regulators are 316L Stainless Steel units for the pressure regulation of compressed air and gases for the actuation industries.

Features and Benefits:

  • Specifically designed for Severe Environments
  • Self-relieving
  • Ambient Temperature Range -20ºC to +80ºC
  • 316L Stainless Steel Construction
  • Mounting brackets supplied fitted as standard
  • Gauge fitted as standard
  • Regulated Pressure Range from 0.50 to 12.0 Bar depending on model selection
  • Large flow paths (up to 45Cv)
  • Option available to supply without Pilot Regulator (Consult Rotork for product code)
  • NACE capability option available

Units ordered with a specified pressure range will be supplied complete with a pilot regulator piped using double ferrule fittings.

Ports NPT (BSP Option Available):

  • 1 1/2", 2"

Gauge Ports:

  • 1/8" NPT (fitted with gauge)

Relief Vent Port:

  • 1/2" NPT (Fitted with breather)

Maximum Relief Flow:

  • At 2 bar (29psi) secondary pressure 0.5cc/sec (0.03 cu in/sec)


At 10 bar (145psi) supply pressure, 6 bar (87 psi) secondary pressure, 1 bar (14.5 psi) pressure drop

  • 2" - 45000 L/Min (1590 SCFM)

Operating Media:

  • Gases - air, inert gas, sour gases - NACE Compliant

Construction Materials:

  • Body/bonnet/bowl and internals: 316L Stainless Steel
  • Seals: Nitrile

See Air Preparation Literature page for further details

3575 Series Pressure Regulator
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