3PC BALL VALVE SOCKET WELDED

Shandong Shunye Stainless Steel Co., Ltd. is one of the most reliable manufacturers and suppliers of 3pc ball valve socket welded in China. We are specialized in providing high quality customized products with competitive price. Welcome to buy bulk cheap 3pc ball valve socket welded made in Chin here from our factory. Contact us for quotation.

Three-Piece In-Line Repairable Design: The three-piece bolted body design with center body and two end caps enables in-line repair and maintenance without removing the valve from the pipeline, significantly reducing downtime and maintenance costs in critical applications.

Socket Weld End Connections: Socket weld end connections per ASME B16.11 provide strong, leak-tight welded joints with excellent structural integrity, making these valves ideal for high-pressure applications where welded connections are preferred or required.

Reinforced Heavy-Duty Construction: Reinforced three-piece body construction with increased wall thickness, optimized flow passages and robust bolted joint design provides exceptional structural integrity and reliable performance at high pressures and in severe service applications.

Precision Investment Cast Body: Our silica sol investment casting process produces heavy-duty valve bodies with precise dimensional control, smooth internal flow passages and consistent wall thickness, ensuring reliable performance and reduced stress concentrations under high-pressure conditions.

Bubble-Tight High-Pressure Sealing: Precision-machined balls combined with high-performance seat materials provide bubble-tight shutoff in both directions at full rated pressure, ensuring zero leakage across the full pressure and temperature range for heavy-duty applications.

Low Operating Torque at High Pressure: Smooth ball surface finish, proper seat selection and optimized stem design ensure low operating torque even at high pressures, enabling easy manual operation with lever or gear handles and compatibility with cost-effective actuators.

Corrosion & Erosion Resistance: Stainless steel, carbon steel, alloy steel and duplex stainless steel body options, combined with proper ball and seat materials, provide excellent resistance to corrosion and erosion across a wide range of heavy-duty process fluids.

Fire Safe & Severe Service Capability: Optional metal seats and fire-safe design per API 607 / API 6FA / ISO 10497 provide reliable performance in fire conditions and severe service applications, making these valves suitable for critical oil & gas and petrochemical installations.

Full Traceability & Quality Assurance: Every valve is manufactured under strict quality control with full material traceability, hydrostatic testing at 1.5 times rated pressure, functional testing and NACE MR0175 compliance available, ensuring reliable performance in critical heavy-duty applications.

Oil & Gas Industry: High-pressure on/off control for crude oil, natural gas, refined products, hydraulic fluid and wellhead control lines in upstream, midstream and downstream oil & gas operations, including wellhead, Christmas tree, manifold and pipeline applications requiring socket weld connections.

Chemical Processing: Handling of high-pressure corrosive chemicals, acids, bases, solvents and process fluids in chemical plants, refineries and petrochemical facilities requiring high-pressure corrosion-resistant heavy-duty valves with socket weld ends.

Power Generation: High-pressure flow control for boiler feed water, steam, condensate and auxiliary systems in coal-fired, gas-fired, nuclear and renewable power plants requiring high-pressure high-temperature heavy-duty valves with socket weld ends.

Marine & Offshore: High-pressure seawater handling, hydraulic systems, ballast systems, fire protection and cooling water systems on ships, offshore platforms and marine installations requiring high-pressure corrosion-resistant heavy-duty valves with socket weld ends.

Industrial Gases: High-pressure handling of oxygen, nitrogen, hydrogen, carbon dioxide and other industrial gases in gas production, storage and distribution systems requiring high-pressure reliable heavy-duty valves with socket weld ends.

Mining & Mineral Processing: High-pressure flow control for hydraulic systems, slurry lines and process fluids in mining, mineral processing and metallurgical operations requiring high-pressure durable heavy-duty valves with socket weld ends.

Pulp & Paper: High-pressure flow control for pulp stock, black liquor, white liquor and process fluids in pulp and paper mills requiring high-pressure corrosion-resistant heavy-duty valves with socket weld ends.

General Industrial: Various high-pressure heavy-duty industrial applications requiring reliable on/off flow control with socket weld connections and in-line repairability, including textile, manufacturing and automotive industries.

Raw Material Inspection: Spectrometer analysis for every heat of metal, verifying chemical composition against specified grades with full material traceability and NACE MR0175 compliance available.

Casting Process Control: In-process monitoring of wax injection, shell building, dewaxing, pouring temperature and cooling rates for heavy-duty valve body castings.

Dimensional Inspection: CMM inspection for critical dimensions, including bore diameter, face-to-face dimension, stem diameter, wall thickness, socket weld dimensions and end connection dimensions, with full dimensional reports available upon request.

Hydrostatic Pressure Testing: Every valve undergoes shell hydrostatic testing at 1.5 times rated pressure and seat sealing testing at 1.1 times rated pressure, with test records available. High-pressure valves are tested at full rated pressure to verify structural integrity.

Functional Testing: Every valve is functionally tested for smooth operation, proper seating and torque verification at rated pressure before shipment.

Non-Destructive Testing: Visual inspection, penetrant testing (PT), magnetic particle testing (MT), radiographic testing (RT) and ultrasonic testing (UT) available per customer specifications, with 100% NDT available for critical applications.

Weld Procedure Qualification: Socket weld end connections manufactured per qualified weld procedures (WPS/PQR) with welder qualification records available upon request.

Low Temperature Testing: Cryogenic testing and low-temperature functional testing available for low-temperature heavy-duty applications upon request.

Fire Safe Testing: API 607 / API 6FA / ISO 10497 fire safe testing available for fire-safe rated heavy-duty ball valves upon request.

Mechanical Testing: Tensile testing, hardness testing and impact testing with test certificates supplied with each batch.

For high-pressure heavy-duty applications requiring socket weld end connections, in-line repairability, low pressure drop and reliable on/off flow control at pressures up to Class 800 in medium-to-high production volumes, the 3-piece socket welded ball valve provides the optimal combination of maintainability, performance, reliability and cost-effectiveness.

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