Full Welded Ball Valve

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Fully  welded ball valves are especially designed for gas transportation and storage  industries. The fully welded body design can prevent any potential external  leakage from connection of body and bonnet. In addition, the forged body with  the advantages of consistent grain size and even thickness. Thus it  inherently eliminates the conventional casted valve material defects, such  as: shrinkage, porosity.Design Feature    Product Range
Body and bonnet welded integral
Full port or reduce port
Fire safe design
Double block and bleed
Cavity pressure self relief
Blowout-proof stem 、Anti-static design
Optional double piston design
Optional under-ground & extended stem design
Size : 2~60”(DN50~DN1500)
Rating : 150~1500LB(PN16~PN250)
Body Materials : Forged Carbon Steel
Trim : Carbon Steel, Stainless Steel, Duplex Steel

Fully Welded Ball Valve

It is welded by forged steel. The forging materials are subjected to ultrasonic examination according to ASME nondestructive flaw detection requirements. The welding slope on the connection face is subjected to liquid penetration examination.

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