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Forged Steel A105 3PCS Body Trunnion Mounted Ball Valves
Main Features
Stem Design: The valve stem is supported by bearings, which reduces the operating torque and improves the stability and reliability of the valve. It is especially suitable for large-diameter and high-pressure working conditions.
Three-piece Body: The valve body is divided into three parts, which is convenient for assembly and maintenance, and at the same time ensures the overall strength and sealing performance of the valve.
Double Block and Bleed Function: The valve has the double block and bleed function, which can block the flow of the medium from both sides simultaneously and release the pressure through the intermediate bleed port, ensuring safety during pipeline maintenance and inspection.
Fire Safety Design: It complies with the API 607 fire safety standard and can maintain its sealing performance in extreme situations such as fires.
Anti-static Device: It has a built-in anti-static device to ensure electrical continuity among the valve stem, ball, and valve body, reducing the safety risks caused by static electricity.
Anti-blowout Valve Stem Design: The valve stem design includes a protective sleeve to prevent the valve stem from being blown out under high pressure.
Low Emission Design: It adopts low-emission packing, meeting environmental protection requirements.
Multiple Connection Methods: It provides various end connection methods such as flange connection and threaded connection to meet different installation requirements.
Full Bore and Reduced Bore Design: It offers both full bore and reduced bore designs, which can be selected according to the flow requirements.
Technical Specifications
Size Range: 1/2"~56" (DN15~DN1400)
Pressure Rating: 150LB~2500LB (PN20~PN420)
Applicable Temperature: -46℃~350℃
Applicable Medium: Water, gas, oil, corrosive chemicals, etc.
Materials:
Valve Body: A105 forged steel
Seat: Soft seal or metal seal
Stem: A105 forged steel or other corrosion-resistant materials
Design Standards: It complies with standards such as API 6D and ASME B16.34.
Connection Methods: Flange connection (ASME B16.5), butt welding connection, etc.
Operation Modes: Manual (handwheel, gear), pneumatic, electric, etc.
Application Fields
Petroleum and Natural Gas Industry: Used for wellhead isolation, oil and gas transportation, pressure testing, etc., especially suitable for occasions where the double block and bleed function is required.
Chemical Industry: Used to handle highly reactive chemicals to ensure process safety and prevent medium leakage.
Power Industry: Used for medium isolation in high-pressure systems, such as boilers and turbines.
Shipbuilding and Offshore Engineering: Used in fuel storage and transportation systems to ensure safety and environmental protection.
Municipal Engineering: Used in water supply and drainage systems to ensure water quality safety and pipeline maintenance.
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