Cast Steel Bolted Bonnet Gate Valves

Bolted Bonnet, Outside Screw &Yoke, Rising Stem, No-rising Handwheel, Flexible Wedge.

Design and manufacture: API 600

Face-to-face dimension:36″and smaller to ASME 16.10, 40″and larger to manufacturer's standard.

Flanged end: 24″and smaller to ASME B16.5, 26″ and larger to ASME B16.47series A.

BW End: ASME B16.25

Shell Wall thickness: 24″and smaller to API 600, 26 and larger to manufacturer's standard.

8″and smaller valves have a one-piece bonnet and yoke design,

10″and larger valves have a split bonnet and yoke design.

Body: ASTM A216 Gr.WCB   

Seat ring:ASTM A105+13Cr

Wedge :ASTM A216 Gr.WCB+13Cr

Stem: ASTM A182 F6a

Stud: ASTM A193 Gr.B7

Nut:ASTM A194 Gr.2H

Bonnet:ASTM A216 Gr.WCB

Backseat: ASTM A276 410

Packing: Graphite  

Stem nut:Aluminum Bronze