Cast Steel Gate Valve

We are offering cast steel gate valve, os&y, rising stem. China cast steel gate valve: asme b16.34, api 600 cast steel gate valves, os&y, rising stem, bolted pressure seal bonnet, bw, 150lb-2500lb, 2-48 inch.
Features:
os&y, rising stem.
Bolted bonnetpressure seal bonnet.
Flexible wedge.
Extended bonnet for cryogenic services.
By pass on request.
Locking device optional.
Replaceable seat.
Operation: handwheel, bevel gear and electric operation.
specifications:
design: asme b16.34api 600.
Face to face: asme b16.10.
End to end: asme b16.10.
End flange: asme b16.5.
Bw end: asme b16.25.
Test: api 598.
Special: nace mr-01-75.
Pressure: class 150lb-2500lb.
Size range: 2"-48".
Material available: wcb, wcc, lcb, lcc, wc6, wc9, c5.