The NB employs the worldwide proven ring disc/radial guide design. With its friction free guiding and the aerodynamic flow path through its two ring shaped flow ports, the NB is “best in class” for speed of response and flow capacity.
Suitable for all liquids
Non-slam Closure
Very Low pressure loss
Friction-free valve disc guiding
Metal sealing
Maintenance free
Valve design to ASME B16.34
Size
12’’ – 88’’ (DN 300 – DN2200)
Pressure Classes
ASME 150 – ASME 2500
API 2000 – API 10000
TYPE NB: Goodwin Standard Long Face-to-Face Dimensions (for 12″ and above)
End Connections:
Flanged
Buttweld
Hub end
Compact flange
Materials:
Ductile and Cast Irons
Carbon steel
Stainless steel
Duplex and Super duplex Stainless Steel
Aluminums bronzes
High Nickel Alloys
Titanium