Series 342A Compressed Air Filter Regulator from ASCO™

Series 342 Compressed Air Filter Regulator
The ASCO Series 342A stainless steel pressure filter/regulators are designed to meet the demands of harsh process environments. The series provides high flow rates with precise pressure regulation to actuators and ensures clean, dry media to eliminate contamination to downstream devices.

Series 342A Compressed Air Filter Regulator Features:

  • Heavy duty stainless steel internal and external parts for long service life in corrosive environments
  • Molded reinforced diaphragm allows for optimized flow paths and superior flow rates over competition
  • Comprehensive Certifications including: NACE compliant option for sour gas applications, Ingress Protection: IP65, ATEX (94/9/EC): non-electrical, and IEC 61508 Functional Safety SIL certified
  • Precise tuning and regulation accuracy
  • Dual pressure gauge ports for flexible installation
  • Auto Drain option for automatic dispensing of condensate
  • Quick Relief option prevents trapped pressure from locking actuator in last position
  • Laser etched nameplate will not fade or peel-off


Series 342A Compressed Air Filter Regulator Specifications:

  • Body and Bowl Material:  316L Stainless Steel
  • Filtering Element Material:  316 Stainless Steel
  • MediaCompressed:   air, sour gas
  • Pipe/Port Size:  1/4 "; 1/2 "; 3/4 "; 1 "
  • Pressure Relief Port Size:  1/8" NPT, M5
  • Maximum Flow:  From 49 to 335 SCFM (1400 to 9500 l/m)
  • Adjustable Pressure Range:  From 7 to 145 psi (0.5 to 10 bar)
  • Filtering Capacity:  5μm, 25μm, 40μm
  • Operating Temperature:  -40°F to 194°F (-40°C to 90°C) with options for -76°F (-60°C)
  • Operating Environment:  Outdoor, Indoor


Download ASCO™ Filter Regulator Offering Brochure


Talk to one of our process control experts today at (855) 737-4714, or fill out our online form to learn more.
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