NK valve
NB slice
  • Short face-to-face length
  • Fully balanced ring disk
  • Single spring
  • Specifically for gas applications
  • Worldwide patented design
  • Low pressure loss
  • Maintenance free
  • Easy adjustable on site
  • 12" - 88" (DN 300 - DN 2200)
  • Up to PN 400 (ANSI 2500)

NC is a lower cost solution which combines the advantages of the NZ with a shorter face-to-face length and reduced weight, where marginally higher pressure drops are acceptable.

DenominationCarbon Steel Stainless Steel
Valve Body ASTM A 216 WCB ASTM A 351 CF8M
Seat AISI 316 ASTM A 351 CF8M
Valve Disc ASTM A 351 CF8M ASTM A 351 CF8M
Guide Bush / Spacer AISI 316 AISI 316
Spring AISI 316 AISI 316
Flow Diffuser ASTM A 216 WCB ASTM A 351 CF8M
Central Tie Bolt 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.