With the NA the ring disc is centrally guided with a single spring. Utilizing the same valve body as its sister valve the Type N, it provides the same internal flow profile and, consequently, the same minimal pressure loss as the Type N long API 6D Face-to Face dimensions
Suitable for all gaseous fluids
Non-slam Closure
Very Low pressure loss
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 NA: API 6D Face-to-Face Dimensions (for 12″ and above)
End Connections:
Flanged
Buttweld
Wafer
Hub end
Solid Lug
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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