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High Pressure Forged Ball Valve

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High Pressure Forged Ball Valve

Trunnion Mounted Ball Valves are an excellent choice for on/off service in large and high pressure applications because the ball is anchored at the top and bottom of the design. Bonney Forge manufactures Trunnion Mounted Ball Valves in an extensive range of designs, materials, sizes, pressure classes and end connections that are designed in accordance to ASME B16.34 and where applicable API 608, API 6D or BS EN ISO 17292. The valves are fire-safe test approved and include design features to ensure electrical continuity between ball, stem and body. Cryogenic and high temperature metal seated configurations are also available. All designs are forged for improved mechanical properties, pressure retention, and quality.
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Features and benefits

● Bi-directional sealing with preferred direction.
● Advanced HVOF or Plasma spray custom trim coating technology with hardness in excess of 70 RC.
● Superior ball/seat finish to 2–4 RMS.
● Unique ball/seat spring-loading technology to assure tight shutoff at low differential pressures and / or when fines are present.
● Complete ball/seat set individually vacuum tested to verify sealing integrity.
● Robust blowout-proof stem.
● Low emission stem seal with advanced live-loaded packing arrangement.
● Stem bearing reduces side thrust effect on packing and prevents stem wobbling.
● CoCr alloy thrust washers absorb stem loading moments and reduce valve operational torque.
● Allowable leakage at full ΔP: MSS-SP-61. Tighter shutoff available upon request.
● All valves are inherently fire safe.
● Designed to ASME B16.34.
● Flow relief is incorporated into both the upstream and downstream ball lips increasing the area exposed to flow and thus reducing erosion due to velocity upon initial valve opening.

● Downstream and upstream body-seat lapped contact.

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