Cleaning is a prerequisite: the interior of the valve and the sealing surface of the flange must be thoroughly cleaned.
Alignment is the foundation: avoid forced pulling, finely adjust flange alignment, and prevent installation stress.
Torque is key: a torque wrench must be used to tighten the bolts in stages according to the diagonal cross sequence to the specified value.
The position should be reasonable: ensure space for operation and maintenance, and the direction of the handwheel should be convenient for operation.
Avoid stress: The pipeline support must be reliable, and external forces must not be applied to the valve body.
Micro open state storage installation: protect the sealing surface until debugging.
Functional testing is essential: After installation, it is necessary to conduct a no-load opening and closing operation test.
Compliance with specifications: Strictly implement the relevant requirements of BS 5163, design documents, manufacturer's instructions, and pipeline construction standards (such as BS EN 1092-1 flange standard, BS EN 1591 flange connection calculation, BS EN 805 water supply system requirements, etc.).

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