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Pressure Management
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YARWAY Drain Valves
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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
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.
