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Home / Products / Pressure Management / YARWAY Drain Valves / 3900-6900 Unit tandem BlowOff

Hy-Drop 5800 Blowdown

3400/3900 Seatless BlowOff

6900 Hardseat BlowOff

3900-6900 Unit tandem BlowOff

3900-6900 Unit tandem 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.
Unit tandem valves
Combination of hardseat and seatless valves in a single body
Eliminates pipe joints - reduces potential leaks
Fits into a confined space

3900-6900 Unit tandem BlowOff

Specifications

Valve Size: NPS 1 to NPS 2 1/2
Pressure Rating:CL300;CL600;CL1500;CL2500
Process connection type: flange, socket weld
Material: carbon steel
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.