Zhejiang Naibang Valve Co.,Ltd
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Ball Valve

Carbon Steel Fully Welded Ball Valve

The fully-welded ball valve adopts forged material, welded body, instead of bolts and nuts, to avoid 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. Be able to be used for underground installation without corrosion of interior parts, therefore, it is the best application for petroleum and natural gas line systems.

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Products Details

Main Features:

The fully-welded ball valve adopts forged material, welded body, instead of bolts and nuts, to avoid 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.

Be able to be used for underground installation without corrosion of interior parts, therefore, it is the best application for petroleum and natural gas line systems.


Main Parameter Specification:

Design and Manufacture:API 6D, ASME B16.34 (BS5351), API 608

Face to Face Dimension:ASME B16.10, API 6D

Flange Connection Dimension:ASME B 16.5

BW Connection Dimension:ASME B16.25

Test and Inspection:API 598, API 6D


Product Range:

End Connection: BW

Full bore and reduced bore design

Working temperature: -46℃ - +200℃

Nominal diameter:2" - 48" (DN15 - DN1200)

Pressure range: Class 150 - 2500(PN16 - PN420)

Body material: Carbon steel, Stainless steel, Alloy steel, etc



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Address: No.43 Zhongxing Road, Tangtou Industrial Zone, Oubei Town, Yongjia County, Wenzhou, Zhejiang, China
Tel: +86-577-67991298
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E-mail:sale@nipovalve.com
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