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What's fully welded ball valve & features

The Fully welded ball valves are widely used in oil, nature gas pipelines and the industries of liquefied gas, coal gas, etc. as open/close control valves. The fully welded body design has no bolted bonnet or body joints that can ensure no potential body joint leak for environmental concern. Also forged steel body assures uniform fine grain structure and toughness free from inevitable cast valves defects such as porosity, gas hole. The design of seat seal uses unique two-level soft seal and metal to metal seal to form triple sealing; the design of seat piston is accurately calculated to ensure seal reliability with small open/close torque and easy operation. 

Products Range
Range size: 2" ~ 24"(DN50 ~ DN600)
Pressure rating: ANSI 150lb ~ 1500lb 
Body materials: Forged carbon steel, Forged Stainless Steel
Trim materials: A105+ENP, 13Cr, F304, F316
Operation: Lever, Gear, Electric, Pneumatic, Hydraulic

Applicable Standard
Design Standard: API 6D, ASME B16.34, BS 5351, API 608, MSS SP-72
Face to Face: ASME B16.10, API 6D, EN 558
End Connection: ASME B16.25, ASME B16.5, DIN 2501
Inspection and Test: API 6D, API 598

Design Features
Full bore or reduced bore design
Forged body and ball, welded body
Double block & bleed
Trunnion mounted ball, Blowout-proof stem
Emergency sealant injection
Cavity pressure self relief
Fire safe design to API 607/API 6FA
Anti-static to BS5351 

CONTACT US

Contact: Benson Sheng

Phone: 133 9125 9596

Tel: 021-57511681

Email: sales@kobo-valve.com

Add: Room 10937, Block 8, No 1630 Yecheng Road, Jiading Industrial Estate, Shanghai 201801, China