1. Install valves on plumbing pipeline so that the direction of the medium coincided with the direction of the arrow. This requirement is mandatory for reinforcement, the shell is indicated by the arrow direction of flow.
2. When mounting flange fittings necessary to flanges on the PEX plumbing pipeline was installed without bias and with full coincidence of the bolt holes with the holes in the flanges fittings. Tightening the screws should be made a normal spanner, in ways that guarantee from distortions and constrictions.
3. Before installing pipe fittings should be thoroughly cleaned of dirt, sand, slag, etc. When the hydraulic testing of pipelines on the strength of the valve must be completely open.
4. Valves should be installed in areas accessible for maintenance and inspection, and operation contained in a neat condition.
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