Full Welded Ball Valve

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. The fully-welded ball valve adopts forged material, welded body, instead of bolts and nuts, to aviod any potential leakage from body.The forged body with regular structure and even thickness can avoid shrinkage cavities, pin holes, cracks, sand holes and other defects occurring to casting body valves.Fully-welded ball valves can be spherical and cylindrical type. Usually the spherical type has only one welding seam on the body, the cylindrical type has two welding seam on the body.

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Product Description

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. The fully-welded ball valve adopts forged material, welded body, instead of bolts and nuts, to aviod any potential leakage from body.The forged body with regular structure and even thickness can avoid shrinkage cavities, pin holes, cracks, sand holes and other defects occurring to casting body valves.Fully-welded ball valves can be spherical and cylindrical type. Usually the spherical type has only one welding seam on the body, the cylindrical type has two welding seam on the body.

 

Technical Specification
Normal SizeRange: 2"-24"
Normal Pressure Rating: PN10~PN420, CLASS150~2500  
Material: A105,LF2,F304,F304L,F316,F316L,F51
TemperatureRange: -29~200Degree C


Standards compliance

Design and Manufacture: API 608,API 6D,BS5351

Face to face(end to end): ANSI B16.10,API 6D

Flanged connection:2"~24" to ANSI B16.5

Fire-safe: API 607,API 6FA

Butt welded end: ANSI B16.25

Test and inspection: API 598,API 6D

 

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