[Standard parameter]
Design and manufacture | GB12236 |
Structural length | GB12221 |
Pressure temperature rating | GB9131、JB/T74、HG20604 |
Connection standard | JB/T74、GB9113、HG20592-20635 |
Pressure test | JB/T9092-1999、GB13927 |
[Valve features]
Internal thread check valve, high precision, beautiful appearance, small shape, with a spring device, vertical and horizontal installation are all features. Mainly used to prevent the media back the use of pipeline system, internal thread check valve function is used to prevent the media back in the pipeline.
[Adaptive condition]
The internal screw check valve is used in the pipeline of petroleum, chemical, thermal power station and other working conditions.
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