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Home / Products / Pressure Management / YARWAY Drain Valves / 3400/3900 Seatless BlowOff

Hy-Drop 5800 Blowdown

3400/3900 Seatless BlowOff

6900 Hardseat BlowOff

3900-6900 Unit tandem BlowOff

3400/3900 Seatless BlowOff

Main 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
Live-loaded packing
will not leak after packing
Slow opening
will not rapidly drain boiler drum

3400/3900 Seatless BlowOff

Specifications

Valve Size: NPS 1 to NPS 2 1/2
Pressure Rating:CL250;CL300;CL600
Process connection type: flange
Material: carbon steel, cast iron
Other configurations: Contact us for more information on specifications or options for this product

Applications

Blow-off service in boiler systems to remove dirt, sediment and scale as well as maintain boiler level surge.

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