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Compressed Air Safety ValvesCompressed Air Safety Valves

Our air safety valves are ASME regulated, National Board Certified Safety valves, Section I (V) and VIII (UV) rated for steam, air, gas and liquid applications. Valves are interchangeable with all safety valve manufacturers and available with the full array of trimming, seating and options. All products go through rigid quality control: we set, test and re-test to each customized application prior to the code stamping process.

A safety valve (also called relief valve) is a valve mechanism for the automatic release of air from a pressure vessel when the pressure exceeds preset limits. UV stamped, factory set and sealed. Choose for a variety of applications.

Request a quote online or call to have a compressed air specialist tell you more.

Series 88 and 89 are multiple purpose safety valves for steam, air or gas protection. Designed for durability, yet an economical choice for safety and relief applications. UV stamped; factory set and sealed. Choose for a variety of applications.

DownloadSeries 88 and 89 Brochure

Usages:

  • Over pressure protection
  • Pressure vessels
  • Piping systems
  • Tanks
  • Compressors
  • Dryers, Inter and Aftercoolers

Features:

  • Adjustable tuned blow-down
  • Precision lapped metal-to-metal seating.
  • Stainless steel springs
  • Ruggedly constructed
  • Closed seal hex cap or lever* option
  • Wide variety of inlet and outlet options
  • Disk-guided seat provides quick, accurate and excellent re-seating

Options:

  • Stainless steel inserts (seat and disk)
  • Stainless steel body and disk
  • Chrome plating/polishing
  • Oxygen cleaning
  • Female inlet
  • BSPT connections

Our Series 120’s, and 130’s (air, gas and steam) safety valves are designed for safety and pressure relief/regulation for light and medium capacity applications; where a smaller sized valve is needed. Many are manufactured to meet specific field and OEM applications.

DownloadSeries 120 and 130 Brochure

Usages:

  • High quality smaller valve
  • Compressors
  • Receivers
  • Gas lines
  • Steam lines
  • Air and Gas receivers
  • Piping system/tanks
  • Steam cleaners, sterilizers, Autoclaves

Features:

  • Fixed blow-down
  • Brass/bronze construction
  • Metal-to-metal seating
  • Rugged, yet economical
  • Stainless steel springs
  • Factory set and sealed
  • Excellent seat tightness

Options:

  • Stainless seat and disk
  • Polishing and chrome plating
  • Oxygen cleaning
  • Variety of inlets/outlets and lift levers or pull ring
  • Many configurations (not shown)

The Series 560/570 valve line is a high capacity safety valve used for boilers, piping lines and vessel protection. Designed and engineered for heavy-duty industrial use. ASME approved and National Board flow-rated for capacity.

DownloadSeries 560 and 570 Brochure

Usages:

  • Steam Boilers, Air Compressors
  • Dryers
  • Receivers
  • Pressure Vessels
  • Piping Systems
  • Accumulators
  • Reducing Stations
  • Tanks
  • Inter/After Coolers
  • Cooking Equipment
  • Autoclaves
  • Sterilizers
  • Wherever higher capacity pressure protection or relief may be required.

Features:

  • Designed for durability
  • 6 orifices – 12 sizes of piping options
  • Top guided seating and discharge
  • Full nozzle; high capacity levels
  • Excellent re-seating characteristics with pivoting ball-post design
  • Short, tuned blow-down and can be adjusted with double heavy ring
  • Heavy duty hood and lever mechanism
  • Standard 17-7 stainless steel springs

Options:

  • Stainless steel trimming package nozzle (body), disk (all sizes)
  • O-ring seating. (PTFE, EPDM, Viton, or as specified)
  • Bubble tight seating options
  • Anti vibrating spring for lift lever
  • BSPT pipe threading
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