The 1 series valve body adopts the casting structure with parallel double sealing semi compulsory two-way sealing, the sealing surface in motion and wedge wedge movement step by step, to achieve zero leakage.
2 sealing surface between the friction coefficient is small, easy to close, and the sealing surface of the wear with automatic compensation function.
3 simple structure, compact, easy maintenance, long service life.
4 valve cover filling chamber is provided with a vacuum sealing mechanism, which has the function of self expanding deposit compaction.
With air separation, has a good vacuum sealing performance.
5 this series of valve connection form is divided into two types: flange connection, welding connection, driving mode for manual, electric two.
The valve is suitable for the work temperature are less than 425 and less than or equal to 550 DEG C, the working medium is water, air, steam, as a lifting device. Especially suitable for thermal power plant steam turbine condenser and vacuum system, the vacuum seal isolation effect.
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