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DBB Valve (Double Block and Bleed Ball Valve) for oil & natural gas medium

Short Description:

DBB ball valve (Double Block and Bleed Ball Valve) is designed to replace the complex connection of multiple valves in the traditional pipeline. Reduce the leakage points in the system, and achieve the discharge quickly. The installation space is saved as much as possible. The installation procedure is simplified.


Product Detail

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Product Details

DBB ball valve (Double Block and Bleed Ball Valve) is designed to replace the complex connection of multiple valves in the traditional pipeline. Reduce the leakage points in the system, and achieve the discharge quickly. The installation space is saved as much as possible. The installation procedure is simplified.

Performance Characteristics

1.Full bore or reduced bore design;

2.Anti-blowout stem, several-layer sealing of stem;

3.Body integral forging;

4.Fire-safe design in compliance with API 607/API6FA standard;

5.Anti-static design in compliance with API6D standard; The ball valve can be designed with anti-static structure, that is, the electric spring is set between the ball and the valve stem and the valve body, is the electrostatic energy generated by the valve through the underground passage of the electrostatic passage pipeline, to achieve the purpose of removing static electricity. Avoid electrostatic ignition and ignite the flammable medium to ensure safety.

6.Flexible open/close, easy to operate, long life cycle;

Applicable Medium

Mainly suitable for oil, natural gas

Technical Parameters

Standards Design Standards API 6D, API 6D SS, ASME B16.34
Face-to-face dimension API 6D, API 6D SS
Flange Standards ASME B16.5, ASME B6.47
Pressure Test Standards API 6D, ISO 5208
Pressure Rating Class 150Lb ~ 2500Lb (PN1.6 ~ 42.0 MPa)
Nominal Diameter 3/8” ~ 32” (DN10 ~ 800)
Operation Lever, Gear Box, Electric, Pneumatic, Hydraulic, Pneumatic-Hydraulic (Gas-Over-Oil), Electro-Hydraulic
Connection Flanged, FNPT
Material Standard ASTM
Major

Component Materials

Body & Bonnet F51, F53, F60+625, etc.
Ball F51, F53, F60+625, etc.
Stem PTFE, RPTFE, PEEK, Viton, etc.
Seat Sealing Ring PTFE, RPTFE, PEEK, Viton, etc.
Bolt & Nut S31803, F53, etc.
Applicable temperature

-110 ~ 280℃

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