在阀门中，这种材料的最主要用途是，作为蝶阀的阀杆材料，和铸钢阀门的后阀座衬套和阀楔板。
The most common applications in valves are, for stem material in butterfly valves, and backseat bushings and wedges in cast steel valves.
该球阀阀前、阀后阀座都能密封，即所谓双向密封特性，利用自带的排放阀，阀体中腔可向外排放。
The ball valve before the valve can be closed after the valve seat, the so-called two-way sealing characteristics, the use of built-in discharge valve, the valve body cavity may be out emissions.
将楔板从阀体上拆卸后，磨损的软阀座镶嵌件就很容易更换了。
A worn soft seat can easily be replaced after removal of wedge from the body.
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