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TYPE NK

NK valve
NK slice
  • Non-slam closure
  • Friction-free valve disc guiding
  • Short face-to-face length
  • 12" - 88" (DN 300 - DN 2200)
  • Low pressure loss
  • Maintenance free
  • Metal sealing
  • Up to PN 400 (ANSI 2500)

Providing the customer a shorter face-to-face length and reduced weight, the NK is the Noreva standard lower cost solution where marginally higher pressure drops can be accepted.

Denomination Ductile Iron Carbon Steel Stainless Steel
Valve Body ASTM A 395 ASTM A 216 WCB ASTM A 351 CF8M
Seat AISI 316 AISI 316 ASTM A 351 CF8M
Valve Disc ASTM A 351 CF8M ASTM A 351 CF8M ASTM A 351 CF8M
Tab Washer AISI 316 AISI 316 AISI 316
Radial Guide Assembly AISI 316 AISI 316 AISI 316
Spring AISI 316 AISI 316 AISI 316
Flow Diffuser ASTM A 216 WCB ASTM A 216 WCB ASTM A 351 CF8M
Central Tie Bolt ASTM A 193 B8M ASTM A 193 B8M ASTM A 193 B8M

Materials according to customers request, such as Low Temperature Carbon Steel, Nickel-Aluminium-Bronze, Duplex, Superduplex, 6Mo, etc. are our speciality!