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

3550 series filter regulator

Midland-ACS 3550 Series 1/4" to 3/4" filter regulators are 316L stainless steel combined units for filtration and regulation of compressed air and gases for the actuation industries.

Features and Benefits:

  • Specifically designed for severe environments
  • Non or self-relieving
  • 40 micron element stainless steel 316 as standard, 5 micron option available
  • Ambient temperature range -20 ºC to +80 ºC Low temperature option available
  • 316L stainless steel construction
  • Regulated pressure range from 0.50 to 12.0 bar depending on model selection
  • Large flow characteristics
  • NACE capability option available

Ambient Temperature Range:

  • Standard: -20 ºC to +80 ºC (-4 ºF to +176 ºF)
  • Low temp: -50 ºC to +90 ºC (-58 ºF to +194 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) supply pressure, 6 bar (87 psi) secondary pressure, 1 bar (14.5 psi) pressure drop

  • 1/4" - 3720 l/min (130 SCFM)
  • 1/2" - 6000 l/min (212 SCFM)

Maximum Inlet Pressure:

  • Manual drain - 20 bar (290 psi)
  • Automatic drain - 17 bar (247 psi)

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 'X')

See Air Preparation Literature page for further details

3550 series filter regulator