Differences and connections between fasteners and seals
The fastener is basically metal material and plays a fixed role in the place where the equipment needs to be connected.
Seals as the name suggests is a sealing role, in order to prevent equipment exposed oil and gas, so as to have working pressure, equipment running normally, according to the material generally have metal seal, packing seal (graphite), rubber seal.
In general, we are divided according to materialOr directly defined as mechanical components