temperature compensated reference element 温度补偿基准元件 temperature compensation alloy 温度补偿用合金 temperature compensation 温度补偿 ..
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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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