What does a PCD flange look like? Which standard should be used?
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Today I saw 4-inch PCD flanges on the drawings, and I also saw the actual products; it seems they are sealed using O-rings. I’m not sure what standards are being followed. I hope fellow sailors can help answer this question :)
A PCD flange is a type of flange defined by the center distance between its bolt holes, and it typically uses O-rings to achieve sealing. The standards may be ANSI, DIN, JIS, etc.; it depends on the design requirements or industry standards. .
Thank you very much; I have also found the relevant standard, ISO-1609-2020
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