Double Block And Bleed Plug Valve
Key Specifications / Features
DBB Plug Valve Manufacturer in China: Double Block And Bleed Plug Valve, 1/2-36 Inch, Class 150-2500 LB, API 598, API 6D, RF, FF, TG, SW, BW, NPT Ends.
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Detail Information
Double Block And Bleed Plug Valve details:
DBB plug valves save space, reduce the need for expensive multi-valve systems, and provide zero-leakage capabilities from upstream to downstream. Such a valve also allows for the integrity check of the seat seals. In the field of oil and gas, double block and bleed and double isolation and relief valve can be used for various applications and markets, such as liquefied natural gas, petrochemical, transmission and storage, gas industry process, supervisor and manifold valves in liquid pipelines, and the refined product pipeline. The DBB plug valve is designed for use in liquid piping with duct and dual discharge characteristics and fully protected seating surfaces.
The DBB plug valve is used in applications that require critical isolation to ensure that no leaks occur. What types of choices depend on the type of application and service. For example, in the waterway or near the city of liquid service, double expansion valve with DBB ability optimization for critical isolation, as they provide upstream and downstream tight mechanical seal at the same time, it usually is not affected by pressure changes or vibration.
| Valve Size | 1/2 Inch-36 Inch. |
| Pressure Class | 150 LB-2500 LB. |
| Materials | ASTM A216 WCB, ASTM A216 WCC, ASTM A217 WC9, ASTM A351 CF8, ASTM A351 CF3M, HC276. |
| Design and Manufacturing Standards | API 598 (Zero Leakage), API 6D. |
| Face to Face Standards | ASME B16.10. Flange Dimension Standards: ASME B16.5, ASME B16.47. |
| Pressure Test Standards | API 598 (Zero Leakage), API 6D. |
| Fire Safety Test Standards | API 6FA, JB/T6899. |
| Quality | Fugitive Emissions. |
| Product Certifications | GB/T26481-2011. |
| Valve operator options | Handwheel, Worm Gear, Electric actuator, Pneumatic actuator. |
| Shutoff Class | API 598 (Zero Leakage), API 6D. |
| Bore | Full Bore. |
| Process Connection Types | RF, FF, TG, SW, BW, NPT. |
DBB plug valves save space, reduce the need for expensive multi-valve systems, and provide zero-leakage capabilities from upstream to downstream. Such a valve also allows for the integrity check of the seat seals. In the field of oil and gas, double block and bleed and double isolation and relief valve can be used for various applications and markets, such as liquefied natural gas, petrochemical, transmission and storage, gas industry process, supervisor and manifold valves in liquid pipelines, and the refined product pipeline. The DBB plug valve is designed for use in liquid piping with duct and dual discharge characteristics and fully protected seating surfaces.
The DBB plug valve is used in applications that require critical isolation to ensure that no leaks occur. What types of choices depend on the type of application and service. For example, in the waterway or near the city of liquid service, double expansion valve with DBB ability optimization for critical isolation, as they provide upstream and downstream tight mechanical seal at the same time, it usually is not affected by pressure changes or vibration.
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