Butt welding ball valve closure is a ball, it is relying on the ball around the center line of the valve body for 90 degrees rotation to achieve open, close a valve. Straight-through ball valve in the pipeline is mainly used to do cut off the medium. Structural forms are two-piece and three-piece, butt welding methods are socket welding, bevel welding, flat. Butt welding ball valve is a new type of broad valve widely used in recent years, this broad can be installed horizontally or vertically.
Butt Welding Floating Ball Valve Specification
Steam rating: 150 PSI WSP
Blow-out-proof stem design
Body: ASTM A351 Gr.CF8M, WCB as option
Ball: SS316 or SS304
Stem: SS 316 or SS304
Seat: PTFE as standard, high performance machined seat as options
Butt-welded ball valves: ASME B 16. 25,
Socket welded ball valves: Mfg. standard
Working Pressure: 1000 PSI
Temperature Range: -20° to 450 °F
TEST STANDARD: API598, EN12266, and ISO5208
ball valve butt weld
Butt-welding ball valve executive standard
1,Design and manufacture: GB12237, API608, API 6D, JPI 7S-48, BS5351, DIN3357.
2, flange size: JB/T74 ~ 90 (JB74 ~ 90), GB9112 ~ 9131, HGJ44 ~ 76, SH3406, ANSI B16.5, JIS B2212 ~ 2214, NF E29-211, DIN2543.
3, structure length: GB12221-89, ANSI B16.10, JIS B2002, NF E29-305, DIN3202.
4,Inspection of the main test: JB/T 9092, API 598.
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