The ND provides the same proven ring disc/radial guide design as NB and friction free guiding with aerodynamic flowpath through its two ring shaped flow ports, but with a long API 6D face to face dimension.
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 ND: API 6D 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
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