Pre-installation inspection of stainless steel wire wound gaskets (1) Inspection of gaskets 1) Whether the material, form and size of gaskets meet the requirements;
2) The surface of the gasket is not allowed to have mechanical damage, radial nicks, severe rust, defects such as internal and external edge damage;
3) The selected gasket should be compatible with the flange sealing surface.
(2) Inspection of bolts and nuts 1) Whether the material, form and size of bolts and nuts meet the requirements;
2) The nut should be flexible on the bolt, but should not shake;
3) Bolts and nuts are not allowed to have spots or burrs;
4) The thread must not be broken;
5) The bolt should not be bent.
(3) Flange inspection Check whether the form of the flange meets the requirements, whether the sealing surface is smooth, there is no mechanical damage, planer car printing, radial nicks, severe corrosion, welding defects, oil remnants, etc. If not Trimming should study specific treatment methods.
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Face Shield
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