Cast Steel Gate Valves

VERVO cast steel gate valves are designed and manufactured to provide maximum service life and dependability. All gate valves are full ported and meet the design requirements of American Petroleum Institute standard API600&API 6D,British standard BS1414 & BS EN 1984 and generally, conform to American Society of Mechanical Engineers standard ASME B16.34. Valves are available in a complete range of body/ bonnet materials and trims.

VERVO Material:
WCB,LCB,WC6,WC9,CF8,CF8M,CF3,CF3M,CF8C,
also special material like S31803,S32750,CN7M

No	Part Name	Carbon steel	1-1/4cr - 1/2mo	Carbon Steel
1	Body	A216-WCB	A352-LCB	A352-LCB
2	Bonnet	A216-WCB	A352-LCB	A352-LCB
3	Wedge	A216-WCB+CR13	A352-LCB+CR13	A352-LCB+CR13
4	Stem	A182-F6a	A182-F6a	A182-F6a
5	Seat ring	A105+CR13	A350-LF2+CR13	A350-LF2+CR13
6	Stem Backseat	A276-420	A276-420	A276-420
7	Bonnet Gasket	Spiral wound(Graphite+304)
8	Bonnet Stud	A193-B7	A320-L7	A320-L7
9	Bonnet Stud Nut	A194-2H	A194-4	A194-4
10	Packing	Graphite
11	Gland	A276-420	A276-420	A276-420
12	Gland Flange	A216-WCB	A352-LCB	A352-LCB
13	EyeBolt Pin	Carbon steel	Carbon steel	Carbon steel
14	Eyebolt	Carbon steel	Carbon steel	Carbon steel
15	Eyebolt Nut	Carbon steel	Carbon steel	Carbon steel
16	Grease Fitting	Brass+Steel
17	YokeS leeve	Aluminum-Bronze
18	Yokesleeve Jam nut	Carbon Steel
19	Handwheel	Malleable Iron
20	Handwheel Nut	Carbon Steel

Note:
1).ductile ni-resist optional
2).wedge and seat ring may either be solid facing material or a base material equal to or better than the body/bonnet material with facing as shown.