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Fully Welded Pipeline Ball Valves

Fully Welded Pipeline Ball Valves

Products Details
​Connection: Flange and Butt-weld
Size: 2" - 60"
Pressure: Class 150 - Class 2500
Temperature: -40℃ - 70℃
Material: Carbon steel, Stainless steel, Low alloy steels, Duplex
Coating: Stellite, Tungsten and chromium carbide
Operation: Gear, Electric actuator, Pneumatic actuator
Product Details

Connection: Flange and Butt-weld

Size: 2" - 60"

Pressure: Class 150 - Class 2500

Temperature: -40℃ - 70℃

Material: Carbon steel, Stainless steel, Low alloy steels, Duplex

Coating: Stellite, Tungsten and Chromium carbide

Operation: Gear, Electric actuator, Pneumatic actuator


Main Structural Features

Full port or reduced port API 6D ball valves

Forged body, fully welded to significantly reduce or eliminate fugitive emissions

Trunnion mounting and Bearing plates design

Primary metal-to-metal seal and Protected secondary O-ring seal

Double block and Bleed

Fire safe design

Blowout-proof stem

Anti-static design

Emergency sealant injection

Self relieving seat rings

Stem extension for underground service



Equipped with a professional factory, Naibang Valve is a professional manufacturer and supplier of fully welded pipeline ball valves in China. If you want to buy quality product of various beautiful bags, you can get it at a cheap price from us.
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