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Axial Multi Spring Ring Disk CHECK VALVE TYPE NK

The NK is the compact model of ring disc/radial guide design. With its short face-to-face and reduced weight, the compact NK is a lower cost solution to the NB when marginally higher pressure drops can be accepted.

Suitable for all liquids

Non-slam Closure

Low pressure loss

Friction-free valve disc guiding

Metal sealing

Short face-to-face length

Maintenance free

Low weight

Valve design to ASME B16.34

 

 

Size

12’’ – 88’’ (DN 300 – DN2200)

Pressure Classes

ASME 150 – ASME 2500

API 2000 – API 10000

 

TYPE NK: Short Face-to-Face Dimensions (for 12″ and above)

 

End Connections:

Flanged

Buttweld

Hub end

Wafer

Solid Lug

Materials:

Ductile and Cast Irons

Carbon steel

Stainless steel

Duplex and Super duplex Stainless Steel

Aluminums bronzes

High Nickel Alloys

Titanium