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What are the quality requirements for stainless steel flange connections
Release time:
2022-04-22 11:28
Source:
The quality requirements of stainless steel flange connection are as follows:
The selection of stainless steel flanges must meet the design requirements. When there is no design requirement, the flange of appropriate form and specification should be comprehensively selected according to the factors such as the maximum working pressure, maximum working temperature, working medium, and material grade of the flange. The flange must be visually inspected before installation. The surface should be smooth, and there should be no defects such as blisters, cracks, spots, burrs that reduce the strength of the flange, and there should be no penetrating scratches on the sealing surface that affect the sealing.
When assembling stainless steel flanges and pipes, use a flange bender to check the verticality of the flanges. When the parallel deviation dimension design of the flange connection is not specified. It should not be greater than 15% of the outer diameter of the flange, and not greater than 2mm. When the two flanges are not parallel and exceed the specified requirements, they must be adjusted, and multiple gaskets must not be used for correction.
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