China Suppliers Factory 6inch 6000LB 2PCS Full Bore WCB Trunnion Mounted Ball Valve with F304 & DEVLON Materials
Products Specification
| Type | Trunnion Mounted Ball Valve |
| Size | 6” |
| Pressure | 600LB |
| Connection | Flange End |
| Operation | Gear Box |
| Body Material | WCB |
| Design Standard | API6D |
| FTF Dimension Standard | ASME B16.10 |
| Flange Dimension Standard | ASME B16.5 |
| Test Standard | API598 |
| Application | W.O.G |
Feature
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1Trunnion DesignThe ball is fixed in place by a trunnion (a shaft or pin) at the top and bottom, which reduces the load on the valve seats and ensures stable operation.
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2Low Operating TorqueThe trunnion design reduces the friction between the ball and the seats, requiring less force to operate the valve. This is especially beneficial in high-pressure applications.
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3Double Block and Bleed (DBB) CapabilityTrunnion mounted ball valves can isolate both upstream and downstream sides of the valve simultaneously, allowing for the bleeding of pressure or fluid from the cavity between the seats.
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4Sealing PerformanceThe design provides better sealing performance, as the seats are spring-loaded or activated by the line pressure to maintain a tight seal.
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5Safety and ReliabilityThese valves are known for their high reliability and are often used in critical applications like oil and gas, petrochemical, and power industries.
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6Size and Pressure HandlingSuitable for larger diameters and high-pressure conditions, trunnion mounted ball valves can handle a wide range of pressures and temperatures.
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7Bi-Directional OperationThese valves can control the flow of fluid in both directions, providing flexibility in various piping configurations.
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8Extended Service LifeThe reduced wear and tear on the seats due to the trunnion support leads to a longer service life and lower maintenance costs.
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9Emergency Sealant Injection SystemMany trunnion mounted ball valves have an emergency sealant injection system that allows for sealing in case of seat damage.
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10Fire-Safe DesignMany trunnion mounted ball valves are designed to be fire-safe, ensuring operation even under fire conditions to prevent leakage and maintain control.
These features make trunnion mounted ball valves a preferred choice for demanding applications where durability, reliability, and performance are critical.
Application
Trunnion mounted ball valves are versatile and reliable, making them ideal for a variety of applications requiring high pressures, large diameters and reliable sealing. Here are some key applications:
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1Oil and Gas IndustryUpstream: Used in drilling operations, production manifolds and wellhead equipment.Midstream: Ideal for piping systems, storage facilities and compressor stations.Downstream: Commonly used in refineries and petrochemical plants to control process flows.
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2Petrochemical IndustryCritical to the transport and processing of chemicals, a strong and reliable seal is essential.
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3GenerationUsed in power plants, including nuclear, thermal and hydropower plants, to control steam, water and other fluids in high-pressure systems.
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4Water and Wastewater TreatmentUsed in large water treatment plants and distribution systems due to its durability and ability to handle high pressures.
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5Marine and Offshore ApplicationsSuitable for subsea applications and offshore platforms where reliability under extreme conditions is critical.
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6Liquefied Natural Gas and CryogenicsIdeal for liquefied natural gas (LNG) plants and cryogenic processes due to its performance at low temperatures.
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7Mining and Mineral ProcessingUsed in slurry handling, ore processing and other high wear environments.
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8Pulp and Paper IndustryUsed in the processing and transportation of pulp and paper products, often requiring large volumes and high pressures.
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9HVAC SystemHeating, ventilation and air conditioning systems for large buildings and industrial complexes.
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10Industrial ManufacturingUsed in a variety of manufacturing processes requiring reliable fluid control.
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11Chemical ProcessingCritical for handling corrosive and hazardous chemicals requiring high integrity and reliability.
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12Fire Safety SystemDue to its fireproof design, it is often integrated into fire extinguishing systems, especially in industrial settings.
These applications highlight the versatility and reliability of trunnion mounted ball valves in a variety of high pressure and critical service environments.
Technical Drawing
Dimension Test
Pressure Test
Painting Thickness Test
Frequently Asked Questions
What are the main advantages of a trunnion mounted design?
The trunnion design fixes the ball in place at the top and bottom. This significantly reduces the load on the valve seats, lowers operating torque, and guarantees stable sealing performance under high-pressure conditions.
What is the standard pressure rating and size for this specific ball valve?
This specific trunnion mounted ball valve features a size of 6 inches and is rated for a pressure of 600LB with flange end connections.
Does this valve support Double Block and Bleed (DBB)?
Yes. The trunnion mounted ball valve has DBB capability, allowing it to isolate both upstream and downstream sides simultaneously and bleed pressure from the cavity between the seats.
What design and testing standards do these valves comply with?
The valve complies with API6D for design, ASME B16.10 for face-to-face dimensions, ASME B16.5 for flange dimensions, and is tested according to the API598 standard.
Can this valve operate bi-directionally?
Yes, these valves support bi-directional operation, which provides extra flexibility for fluid flow control in various piping configurations.
Is this valve suitable for fire-safe applications?
Yes, many trunnion mounted ball valves feature a fire-safe design, ensuring reliable operation and preventing leakage even under extreme fire conditions.







