Does the oil system use gaskets?
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According to the document "Twenty-Five Key Requirements for Preventing Electric Power Production Accidents" (Guoneng Safety No. 161), the use of plastic pads, rubber pads (including oil-resistant rubber pads) and asbestos paper pads is prohibited for oil system flanges. What gasket should be used in the oil system? Are there any standard regulations? Is this kind of document above or below the standards?
After checking, this is* * The notification document issued by the Energy Bureau is an administrative order and must be implemented! Those who violate the regulations will be subject to administrative penalties upon verification, and those who cause accidents will be subject to the Work Safety Law.
If it can't be used, then it should be explicitly prohibited in the standard.
Teflon gaskets should also be classified as plastic gaskets, right?
Asbestos gaskets are widely used in oil fields and are cheap. PTFE gaskets are considered high-end products.
What are plastic pads, rubber pads and asbestos pads? Is there any specific explanation?