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Yarway Blow-off Valves
Blow-off Valves
Designed for blow-off service in boiler systems with pressures of 3206 psig.
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Yarway Blow-off Valves

Specs

ASME B31.1
End Connection
Certifications
Globe, Angle
Critical Service
Cavitation, Dirty Service, Flashing
Flow Characteristics
Special Characterization
Material
Carbon Steel, Cast Iron, Metal, Steel
Shutoff Class
ASME
Valve Size
Class V (FCI 70-2)
Valve Size Standard
NPS 2-1/2 / DN 65, NPS 2 / DN 50, NPS 1-1/4 / DN 32, NPS 1-1/2 / DN 40, NPS 1 / DN 25
Valve Type
NPS

Features

  • Designed according ASME section 1, ASME B31.1, ASME B16.34.
  • For boiler systems up to 3206 psig.
  • Rugged construction to withstand high pressure and high velocities.
  • Excellent resistance to cleaning acids and wear caused by precipitated solids.
  • No Seat, will not score or plug with dirt, will not leak
  • loaded packing, will not leak after packing
  • Combination of hardseat and seatless valves in a single body.
  • Stellite seat faces