Cast Steel Trunnion Ball Valves

VERVO steel ball valves are designed manufactured to provide maximum service life and dependability. All ball valves are full ported and meet the design requirements of American Petroleum Institute standard API 608&API 6D British standard 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, CN7M

No	Part Name	Carbon steel	18Cr-9Ni-2Mo	Carbon Steel
1	Body	A216-WCB	A351-CF8M	A352-LCB
2	Bonnet	A216-WCB	A351-CF8M	A352-LCB
3	Ball	A182-F3041)	A182-F316	A182-F3041)
4	Stem	A276-304	A276-316	A276-304
5	Seat	A105+ENP	A182-F316	A350-LF2 + ENP
6	Seat Insert	Glass Filled PTFE
7	Seat Spring	A313-304	Inconel X-750	A313-304
8	Seat O-Ring	NBR	Viton	Viton
9	Stem O-Ring	NBR	Viton	Viton
10	Bonnet Gasket	Graphite+3042)	Graphite+31625	Graphite+30425
11	Bonnet O-Ring	NBR	Viton	Viton
12	Antistatic Spring	A313-304	A313-316	A313-304
13	Lower Cover	A216-WCB	A182-F316	A182-F304
14	Bonnet Stud	A193-B7	A193-B8	A320-L7
15	Bonnet Stud Nut	A194-2H	A194-8	A194-4
16	Trunnion	A276-304	A276-316	A276-304
17	Trunnion Bearing	304 +PTFE	316+PTFE	304+PTFE
18	Gland Flange	A216-WCB	A351-CF8M	A352-LCB
19	Gland Boh	A193-B7	A193-B8	A193-B7
20	Stop Plate	Carbon Steel	Carbon Steel+Zn	Carbon Steel
21	Handle	Carbon Steel

 

Features	Specifications
Size: 2"-56"	Design: API608,API6D,ISO17292,ASMEB16.34
Pressure Rating: Class 150-500	Face to Face: ASME B 16.10,API 6D
Three Piece Cast/Forged Steel Body	End Flange: ASME B 16.5/BS EN1092/ASME 16.47
Trunnion,Full&Reduce Bore	BWFIange: ASME B16.25
Anti-Static Device	Pressure Temp: ASME 16.34
Blow-out Proof Stem	Test: API598,ISO5208,API6D
Fire Safe Design	Special : NACE MR-01-75
Low Emission