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Welded Ball Valve

Specification of Welded Ball Valve

ParameterSpecification
Design TypeFully welded body / One-piece welded construction
Size RangeDN50 – DN1200 (2" – 48")
Pressure RatingPN16 / PN25 / PN40 / Class 150 / 300 / 600
Design StandardsAPI 6D, ASME B16.34, EN 13774
Face-to-FaceManufacturer standard or ISO 5752
End ConnectionButt Welded (BW) / Optional extended ends for buried service
Body MaterialCarbon Steel (A105, WCB), Stainless Steel (304/316)
Ball MaterialSS304 / SS316 / Hard Chrome Coated
Seat MaterialPTFE / RPTFE / Devlon / Metal Seat (optional)
Stem DesignAnti-blowout proof stem
OperationLever / Gear / Electric actuator / Pneumatic actuator
Temperature Range-46°C to +200°C (depending on seat material)
Leakage ClassANSI Class VI (soft seat) / Metal seat available for high temp
Service MediaNatural gas, oil, water, steam, chemical fluids
Installation TypeUnderground / Buried / Above-ground pipeline systems
Design FeatureMaintenance-free, fully welded body for zero external leakage


Features of Welded Ball Valve

Fully Welded Body ConstructionValve body is welded as a single sealed unit, eliminating external flange joints and significantly reducing leakage risk, especially suitable for buried or underground pi...
Features of Welded Ball Valve

Fully Welded Body Construction

Valve body is welded as a single sealed unit, eliminating external flange joints and significantly reducing leakage risk, especially suitable for buried or underground pipeline systems.


Zero External Leakage Design

No body bolts or gasket seals, ensuring long-term sealing integrity under high pressure, vibration, and thermal cycling conditions.


Maintenance-Free Operation

Designed for direct burial or hard-to-reach installations, eliminating the need for routine maintenance throughout the service life.


High Pressure & Temperature Resistance

Engineered for demanding conditions in oil & gas, district heating, and petrochemical systems, with stable performance under extreme operating environments.


Low Operating Torque

Precision-machined ball and seat design reduces friction, enabling smooth quarter-turn operation with minimal torque requirements.



Full Bore / Reduced Bore Options

Full bore design ensures unrestricted flow and minimal pressure drop, while reduced bore offers compact structure and cost efficiency.


Corrosion & Wear Resistance

Available in carbon steel or stainless steel with optional coatings, ensuring durability in corrosive media and harsh environments.


Buried Service Suitability

Extended stem and protective sleeve options allow safe underground installation without compromising operability.


Bi-Directional Sealing Performance

Ensures reliable shut-off in both flow directions, improving installation flexibility and system safety.


Long Service Life & Low Lifecycle Cost

Reduced maintenance requirements and robust welded structure significantly lower total cost of ownership.



Features of Welded Ball Valve
SAVVY IMPORT AND EXPORT CO., LTD.
minaxue@savvyft.com
+86-18958911667
Room 1104, Poly Center Office Building, Lucheng District, Wenzhou City, Zhejiang Province, China
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minaxue@savvyft.com
+86-18958911667
Room 1104, Poly Center Office Building, Lucheng District, Wenzhou City, Zhejiang Province, China
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Room 1104, Poly Center Office Building, Lucheng District, Wenzhou City, Zhejiang Province, China
minaxue@savvyft.com +86-18958911667
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