China Twin Seal General Valve

China Twin Seal General Valve Product introduction

　China Twin Seal General Valve manufacturer, factory and supplier. Twin Seal General Valve is superior to common gate and ball valves in terms of its sealing performance and service life.The twin seal general valve has the functions of being fireproof, on-line maintenance, double block and bleed, cavity pressure relief, internal leak detection and others. Illustrate the Twin Seal General Valve functions and applications in the oil and gas storage and transportation systems in combination with examples, which has opened new development potential for process design of oil and gas storage and transportation systems and solved many problems encountered in pipeline design. Twin Seal General Valve has not only optimized the pipeline design and improved the product quality but also saved the pipeline operation costs.

China Twin Seal General Valve specification

1. Pressure scope :CLASS 150Lb~1500Lb
2. Nominal diameter : NPS 2~36″
3. Design standard :API 6D
4. Port : Full bore /Reduced bore
5. Body material:A105､LF2､F304､F316､F304L､F316L､F51,WCB､LCB､WCC､CF8､CF8M､CF3､CF3M､A890 4A etc.
5. End connection :RF RTJ BW
6. Drive device: Lever, Gear box, Electric, Pneumatic, hydraulic device, Pneumatic-hydraulic device

China Twin Seal General Valve feature
1. In the Twin seal general valve opening/closing process, there is no contact between the sealing surfaces of the valve body and the vane, so the sealing surfaces suffer neither friction nor wear, contributing to the valve's long service life and small opening/ closing torque;
2. For the Twin seal general valve maintenance, there is no need to remove the valve from the pipeline but just remove its bottom cover to replace the vane pair, thus very easy for the maintenance;
3. The Twin Seal General Valve body and plug are full-bore so that the medium can flow through the valve without any flow resistance.and it's also possible to clean the pipeline to overcome the shortcomings of the reduced port valve;
4. The Twin Seal General Valve cavity is plated with hard chrome and the sealing area is hard and smooth;
5. The elastic seal on the vane is made of the fluorine rubber and molded and formed in a groove of the vane surface.The fireproof metal-to-metal seal is used as the backing of the elastic seal;
6. The Twin Seal General Valve is provided with an automatic bleed device(optional) which can prevent the abnormal pressure rise of the general valve cavity and check the valve's effect after the valve is completely closed.

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