First, the height, position and direction of the inlet and outlet of the high-plated ball valve must meet the design requirements, and the thread connection requirements are tight and firm.
Second, the high platform thread ball valve installed on the insulation pipe, the handle must face down.
Third, the high-platform thread ball valve needs to be inspected before installation, and its nameplate should comply with the current national standard "General Valve Mark" GB12220. Before installation, the strength and sealing test should be carried out before they can be installed and used. In the strength test, the test pressure is 1.5 times the nominal pressure, the duration is not less than 5 minutes, and the shell and the packing should be free of leakage.

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