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Structural Features
Cast Steel Material: The valve body is made of high-quality cast steel, which has high strength and good corrosion resistance, making it suitable for various media and working conditions.
Trunnion Design: Adopts a trunnion design where the ball is fixed via upper and lower trunnion points. This reduces axial displacement of the ball during operation, lowers pressure on the valve seat, extends the valve's service life, and reduces operating torque simultaneously.
Low Operating Torque: Equipped with precisely aligned bearings, it enables low-torque operation even under high-pressure conditions, ensuring flexible and labor-saving valve operation, suitable for manual or automatic operation.
Fire Safety Design: Compliant with API 607 and API 6FA standards, the valve can maintain sealing performance even in case of fire, preventing medium leakage and safeguarding the safety of personnel and equipment.
Anti-Static Device: Built-in anti-static device ensures electrical continuity, prevents static accumulation, and reduces the risk of fire and explosion.
Valve Stem Blowout Prevention Design: The valve stem adopts a blowout prevention design, which ensures operational safety even under high-pressure conditions and prevents the valve stem from being blown out.
Dual Sealing Design: A dual-sealing design is used at the valve body connection, ensuring no leakage under standard operating conditions while meeting the requirements of API 607 for extreme temperature changes or fire scenarios.
Pressure Relief Device: Equipped with a pressure relief device that can automatically release excess pressure in the valve cavity to ensure safe operation of the valve.
Technical Parameters
Nominal Diameter: 2″ to 48″ (DN50 to DN1200)
Pressure Class: 150LB to 2500LB (PN10 to PN420)
Temperature Range: -29℃ to +425℃
Materials:
Valve Body: ASTM A216 WCB
Valve Ball: Stainless Steel (e.g., ASTM A351 CF8 or CF8M)
Valve Seat: PTFE, RPTFE
Valve Stem: Stainless Steel (e.g., ASTM A193 B7)
Connection Method: Flanged Connection (RF), compliant with ASME B16.5 and ASME B16.47 standards
Operation Mode: Manual (Handwheel Operation), Pneumatic, Electric, Worm Gear Operation
Design Standards: API 6D, ASME B16.34
Testing Standards: API 598, API 6D
End-to-End Dimensions: Compliant with ASME B16.10 standard
Flange Connection Standards: ASME B16.5, ASME B16.47
Application Fields
Oil and Natural Gas Industry: Used in oil and gas field exploration, gathering, transportation, and processing systems to control the flow direction of media such as crude oil and natural gas, ensuring the smooth progress of the production process.
Chemical Industry: Suitable for the transportation and reaction systems of various chemical media, preventing medium leakage and ensuring production safety.
Water Treatment Industry: Applied in the water supply and drainage systems of water plants and sewage treatment plants to control the on-off and flow direction of water, improving water treatment efficiency and water quality safety.
Food and Beverage Industry: Meets food-grade requirements and is used in pipeline systems during food and beverage production to ensure hygiene and safety.
HVAC: Used in cooling water systems, hot water systems, etc., to control the on-off and flow direction of water, ensuring the efficient operation of the system.
General Industrial Applications: Suitable for the control and isolation of media such as water, oil, and gas, ensuring the safe and efficient operation of the system.
Advantages and Value
High Reliability: The cast steel material and trunnion design ensure the valve operates stably under high-pressure and high-temperature environments, reducing maintenance frequency and downtime.
High Safety: The fire protection, anti-static design, and reliable sealing performance effectively reduce the risk of leakage, safeguarding the safety of personnel and equipment.
Easy Operation: The low operating torque design makes the valve flexible and labor-saving to operate, suitable for manual or automatic operation, and improves work efficiency.
Convenient Installation and Maintenance: The flanged connection simplifies the installation process, while also facilitating maintenance and overhaul, reducing maintenance costs.
Wide Applicability: Multiple material options and a broad range of pressure and temperature allow it to adapt to various complex working conditions and medium characteristics.
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