Rotork 3550 series 1/4", 1/2", 3/4" Filter Regulators
1/4", 1/2", 3/4" Filter Regulators

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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')