安全阀阀座损坏或受到污染。

Damage or fouled relief valve seat.

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安全阀阀座受到损坏或污染。

Damaged or fouled relief valve seat.

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拆卸压进去的安全阀阀座和阀座o形环。

Remove the pressed in relief valve seat and seat O-ring.

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将安全阀阀座放回到镗孔内。

Place the relief valve seat back into the chamber bore.

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两个止 回阀和安全阀的阀座和阀座阀瓣应该是可更换的，更换过程不需要特殊工具。

Seats and seat discs shall be replaceable in both check valves and the relief valve without the use of special tools.

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两个止 回阀和安全阀的阀座和阀座阀瓣应该是可更换的，更换过程不需要特殊工具。

Seats and seat discs shall be replaceable in both check valves and the relief valve without the use of special tools.

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