1/4", 1/2", 3/4" Pressure Regulators

3550 Series Pressure Regulator

Midland-ACS 3550 Series 1/4" to 3/4" 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
  • Non or self-relieving
  • Ambient temperature range -20 ºC to +80 ºC (Low temperature version available)
  • 316L stainless steel construction
  • Large flow charateristics
  • NACE capability option available

Ambient Temperature Range:

  • Standard: -20 ºC to +80 ºC (-4 ºF to +176 ºF)
  • Low temp: -50 ºC (-58 ºF) (optional)

Maximum Relief Flow:

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

Flow:

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

  • 1/4" - 3,780 l/min (133 SCFM)
  • 1/2" and 3/4" - 6,180 l/min (218 SCFM)

Ports NPT (BSP Option Available):

  • 1/4", 1/2", 3/4"

Gauge Ports:

  • 1/8" NPT
  • 1/4" NPT option available (suffix product code with an 'X')

Relief Vent Port:

  • 1/8" NPT (Fitted with breather)

Accessories Available:

  • Mounting brackets
  • Stainless steel pressure gauge
  • Handwheel

See Air Preparation Literature page for further details

3550 Series Pressure Regulator