Yarway Blow-off Valves

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Blow-off Valves

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

Yarway Blow-off Valves

Specs

Critical Service

Cavitation, Dirty Service, Flashing

Flow Characteristics

Special Characterization

Material

Carbon Steel, Cast Iron, Metal, Steel

ASME

Shutoff Class

Class V (FCI 70-2)

Valve Size

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 Size Standard

NPS

Valve Type

Globe, Angle

Certifications

ASME B31.1

End Connection

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
Stellite seat faces