Ring jointgasket are metallic sealing rings suitable for high pressure and high temperature dutries.
金属环垫是用于金属材料加工而成的垫片，适用于高温高压的密封。
2
One example about the decrease in diameter of ring jointgasket is reported. The reason of decrease in diameter is caused by compressive stress that make the whole gasket yielded.
报道一例八角垫直径缩减现象，指出直径缩减原因是垫圈整体受压屈服。
3
When the pipe joint screw, should follow the principle of diagonal twist, not one by one in order to operate, do not screw the screw die, so that the correct installation of rubber gasket.