Wenzhou Wofer Valve Co., Ltd. presents our premium Fully Welded Ball Valve, engineered for exceptional strength, zero leakage, and long-term reliability in high-pressure and buried pipeline applications. This fully welded ball valve features a fully welded body construction with no bolted bonnet, eliminating potential leak paths and providing superior resistance to pipeline stress, thermal expansion, and external loads.
Manufactured using advanced welding technology and high-quality materials, our fully welded ball valves offer excellent sealing performance with a floating or trunnion-mounted ball design, fire-safe construction, anti-static device, and blowout-proof stem – ensuring maximum safety and durability even in the most demanding conditions.
Key Specifications:
Pressure Ratings: Class 150–2500 LB (PN16–PN420)
Temperature Range: -46°C to +200°C (depending on seat material)
Suitable Media: Natural gas, oil, petroleum products, water, and other non-corrosive fluids
Size Range: 2" to 48" (DN50 to DN1200)
Body & End Material: ASTM A105, A350 LF2, or equivalent forged/carbon steel
Ball & Stem: Stainless steel (AISI 304/316) or carbon steel with hard facing
Seals: PTFE, reinforced PTFE, NYLON, or PEEK (fire-safe options available)
End Connections: Butt-weld (BW), socket-weld (SW), or flanged (RF/RTJ)
Operation: Manual lever/gearbox (standard); pneumatic, electric, or hydraulic actuation available
Design & Standards: API 6D, API 598, ASME B16.34, ISO 14313, fire-safe per API 607/API 6FA
This fully welded ball valve is the ideal choice for underground gas transmission and distribution lines, district heating systems, oil & gas pipelines, petrochemical plants, offshore platforms, and other buried or high-integrity applications where maintenance access is limited and absolute leak-tightness is critical.
As a professional valve manufacturer located in Wenzhou, China – the global capital of valve production – Wofer Valve combines precision engineering, strict quality control, and full compliance with international standards to deliver dependable, cost-effective solutions.
Choose Wenzhou Wofer Valve Co., Ltd. for competitive pricing, fast worldwide delivery, and customized fully welded ball valves. Contact us today for quotations, technical specifications, drawings, or bulk orders – trust in proven fully welded technology for your pipeline integrity!
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