3/4", 1" Filter Regulators

3500 Series Filter Regulator Midland ACS logo

Midland-ACS 3500 Series 3/4" 1" 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
  • 40 micron element as standard, 5 micron option available
  • Ambient temperature range -20 ºC to +80 ºC Low temperature option available
  • Non or self-relieving
  • 316L stainless steel construction
  • Large flow characteristics
  • Bowl capacity window

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 7 bar (102 psi) supply pressure, 6 bar (87 psi) secondary pressure, 1 bar (14.5 psi) pressure drop

  • 6 bar (87 psi) secondary pressure
  • 1 bar (14.5 psi) pressure drop
  • 7,800 l/min (274 SCFM)

Maximum Inlet Pressure:

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

Ports (BSP Option Available):

  • 3/4", 1"

Gauge Ports:

  • 1/8" NPT

Relief Vent Port:

  • 1/8" (fitted with breather)

Bowl Capacity:

  • 260 cc (15.87 cu ins)

Accessories Available:

  • Mounting brackets
  • Stainless steel pressure gauge

Operating Media:

  • Gases - air, inert gas and sweet (natural) gases

Construction Materials:

  • Body/bonnet/bowl and internals: 316L stainless steel
  • Element: 40 micron sintered polypropylene 5 micron option available - suffix product code with '05')
  • Seals: standard option - fluoroelastomer
  • Low temperature option - EPDM

See Air Preparation Literature page for further details