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Natural Gas Dedicated Double Discharge Fully Welded Ball Valve
Product overview
Natural gas dedicated double discharge fully welded ball valve is a special product applied in natural gas pipeline. It is composed of double relief pipe and directly buried all welded ball valve. The relief pipe and directly buried rod are manufactured according to the requirements of customers. There is one double relief pipe on the left and right sides of the valve stem. During the pipeline maintenance or maintenance, the redundant medium can be discharged through the double relief pipe to reduce the pressure and protect the pipeline safety. The double discharge all welded ball valve produced by our company has the characteristics of stable performance, simple operation, beautiful appearance and long service life, and its performance is beyond the reach of ordinary ball valve.
Product Features
1. With the release device, the switch is flexible and the torque is small;
2. It is welded as a whole without external leakage;
3. The utility model is composed of pipe material with sufficient strength, low price, beautiful appearance and convenient construction;
4. When the valve is in the fully open or fully closed position, the drain plug can be opened. When opening the drain plug, prepare a wrench to prevent the drain plug from breaking off suddenly. Shut off and discharge functions can be used to check the sealing integrity of the valve. If the discharge at one end of the valve does not stop, the seat may have leaked.
Execution Standard
Design spec：GB/T 12237-2007
Face to Face：GB/T 12221-2005
Flange end：GB/T 9113-2000
Test & check：GB/T 13927-2008
Performance Parameter
Nominal diameter：DN150~1000mm；NPS6"～40"
Nominal Pressure：PN1.6~6.4MPa；CLASS 150～400LB
Applicable media：Water, sewage, oil, etc
Applicable temperature：0≤200℃
Main materials：carbon steel ST37.0，A106-B；20 steel
