
Fully Welded Ball Valve Heating Ball Valve. Fully Welded Construction: Integral welded body prevents external leakage and ensures long-term reliability. Wide Customization Options: Sizes DN15-DN1600, various body materials, and specific component materials available. Trunnion Ball Design: Features trunnion mounted ball with spring-loaded seat rings for high performance stability. Anti-Static & Blow-out Proof: Equipped with steel balls and springs to prevent static electricity and shaft blow-out. Low Maintenance Operation: Maintenance-free bearings and no need for lubrication ensure low running costs. Multiple Drive Options: Available with handle, worm gear, pneumatic, or electric driving modes. Comprehensive Certifications: Conforms to API 6D, ISO 14313, ASME B16.34, and API 607 standards. Fast Delivery Capability: Production completed within 4-5 days with extensive stock of DN15 to DN300 sizes.