带有螺纹旋进强度的焊接阀座能够为短时排放提供更高水平的安全性能。
Valves with threaded-in strength welded seats offer an additional level of safety against fugitive emissions.
碳钢，合金钢或不锈钢，压力密封或螺栓阀帽用于焊接在螺栓阀帽阀门上阀座的设备。
Carbon, Alloy or Stainless Steel, Pressure seal or Bolted Bonnet Provision for seal Welding on Bolted Bonnet Valves.
阀座环较长，并且是密封焊接的，能够补偿温度波动。阀座面用钨铬钴合金6硬化， 研磨和层叠为镜面光洁度。
Seat rings are long to compensate for temperature fluctuations and are seal - welded. seating faces are hardfaced with stellite 6, ground and lapped to mirror finish.
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