Fully Welded Ball Valves

Fully Welded Ball Valves Manufacturer

Fully Welded Ball Valves fuse body components via welding, offering high strength, tight sealing, and long life for high-pressure/large-diameter/harsh pipelines.

Professional Fully Welded Ball Valves in China.
Size Range: 1/2″ – 48″ (DN15 – DN1200)
Pressure Range: Class 150-2500 | API 6A 10000 PSI
Design Standards: API 6D, ISO 17292, BS 5351, MSS SP-72
Material Range: Forged Carbon Steel, Stainless Steel (304/316), Alloy Steel, Duplex
End Connections: Butt Weld (BW), Socket Weld (SW), Flanged (RF, RTJ)
Body Structures: Monoblock, Two-piece Welded
Body Types: Full Bore, Reduced Bore
Body & Bonnet Connection: Full Welded (Zero leakage), Welded Bonnet with Gland

PN16 Thermal Insulation Jacketed Ball Valve Steam Stainless Steel Flange Ball Valve

TIANYU Thermal Insulation Jacketed Ball Valve Steam Stainless Steel Flange Ball Valve high-quality thermal insulation jacketed ball valve, with floating ball design and flanged connections, ensures reliable control of high-viscosity, high-temperature media. Its jacketed structure prevents solidification, while robust materials and seals extend service life. Ideal for petroleum, chemical, and pharmaceutical sectors. Customizable in materials (WCB/CF8), jacket type, and actuation to meet specific thermal and operational needs.

Low Temperature SS304/316L Forged Steel Extended Stem Socket Weld/Butt Weld Electric Cryogenic Ball Valve

Low Temperature SS304/316L Forged Steel Extended Stem Socket Weld/Butt Weld Electric Cryogenic Ball Valve TIANYU’s low-temperature electric ball valve, with SS304/316L forged steel, extended stem, and weld connections, operates at -196℃ to +80℃. It handles LNG, cryogens, and corrosives, with PTFE seals ensuring leak-tight performance.

ASTM F304L/F316L Stainless Steel Low-Temperature Forged Butt Welding Floating Ball Valve

ASTM F304L/F316L Stainless Steel Low-Temperature Forged Butt Welding Floating Ball Valve TIANYU low-temp ball valve: 1/2"~10", 150~600LB, -196~450℃. F304L/F316L, butt-weld. For hydrogen, LNG. Customizable: F316L for chloride, PEEK seats, flanged ends for specific systems.

API 6D Gear-Operated Fully Welded Trunnion-Mounted Ball Valve

API 6D Gear-Operated Fully Welded Trunnion-Mounted Ball Valve TIANYU API 6D ball valve: 2"~60", Class 150~2500, -46~200℃. Fully welded, gear-operated, trunnion-mounted. A105/F316, PTFE seat. Ideal for gas, oil, underground lines. Customizable: connection (welded/flanged), actuator for specific pipeline needs.

API 6D Forged Gear-Operated Flange Metal to Metal Seat Trunnion-Mounted Ball Valve

API 6D Forged Gear-Operated Flange Metal to Metal Seat Trunnion-Mounted Ball Valve TIANYU API 6D ball valve: 2"~60", Class 150~2500, -46~560℃. Gear-operated, trunnion-mounted. Metal-to-metal seal, forged A105/F316. Ideal for gas, oil, chemicals. Customizable: seat (PTFE/metal), connection (flanged/welded) for specific media.

Electric Worm Gear Wcb Carbon Steel Regulating Control Fully Welded Ball Valve Pn25 Dn800 Dn1200

TIANYU full-welded electric worm gear gate valve, through advanced welding technology and integrated design, delivers reliable fluid control for harsh industrial conditions. With deep customization and comprehensive services, it helps clients achieve safe, efficient, and intelligent system operations, setting a benchmark in high-pressure fluid control applications.

Fully Welded Ball Valves: Core Advantages

Zero External Leakage: All-welded design eliminates flange/thread leaks, ideal for flammable/toxic/high-value media like natural gas.
Extreme Environment Ready: Forged steel/stainless steel bodies (Class 2500, -60°C~450°C) suit long pipelines, subsea, and harsh climates.
Low Maintenance & Long Life: No external seals, hardened ball surfaces (e.g., nickel-phosphorus coating) ensure 20+ years of corrosion-resistant use.
Rapid-Action Automation: 90° rotation with electric/pneumatic actuators for remote SCADA-compatible control.

Typical Application Scenarios of Fully Welded Ball Valves

Oil and Gas Industry: Main valves for long-distance pipelines, city gas gate stations, subsea gas transmission pipelines.
Chemical and Energy Sectors: High-pressure hydrogenation units, liquefied natural gas (LNG) transportation, steam pipelines in thermal power plants.
Marine Engineering and Shipbuilding: Ship ballast water systems, oil and gas processing pipelines on offshore platforms.
Municipal and Industrial Water Supply: High-pressure water transmission main lines, large-diameter shut-off valves for circulating water systems.

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Fully Welded Ball Valves Parts

Why Choose Us

Ensure Safety

Our products and services comply with international standards and specifications to make sure that we only produce the best and highest quality products and services to our clients.

Customization Service

We offer tailor-made industrial valves to ensure that our product fits your application standards and demand. TIANYU is ISO, API, MSS, and ASME compliant to guarantee you the highest product quality.

Fast Shipping

As a business partner, TIANYU makes sure that we commit to our clients’ requested deadline because we very much understand the importance of adhering to the timeline required.

After-Sales Service

TIANYU’s service does not end once our industrial ball valves are being delivered. Also, we offer warranties and provide customer service to our clients as part of our quality service.