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Installation knowledge of big size gate valve For sale

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Installation knowledge of big size gate valve For sale

Author:
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Time
2022/05/13
The installation position, height, and direction of inlet and outlet must meet the design requirements, and the connection should be firm and tight.

How much do you know about the installation knowledge of big size gate valve For sale? Let's have a simple understanding together!
1. The installation position, height, and direction of import and export must meet the design requirements, and the connection should be firm and tight.
2. For all kinds of manual valves installed on the thermal insulation pipeline, the handle shall not be downward.

big size gate valve For sale
3. The valve of big size gate valve For sale needs to be visually inspected before installation, and the nameplate of the valve should comply with the current relevant standards. For valves with a working pressure greater than 1.0 MPa and the function of cutting off the main pipe, the strength and tightness performance test should be carried out before installation, and the valve can be used only after passing the test. During the strength test, the test pressure is 1.5 times the nominal pressure, and the duration is not less than 5 minutes. The valve shell and packing should be qualified without leakage. During the tightness test, the test pressure shall be 1.1 times the nominal pressure; the test pressure shall meet the requirements of GB 50243 during the duration of the test, and the sealing surface of the gate shall be qualified if there is no leakage.
The above is a brief introduction to the installation knowledge of big size gate valve For sale.