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Key points for installation of gate valve
Jan 02, 2018

Installation position, height, import and export direction must meet the design requirements, the connection should be strong and tight.

Installed in the insulation pipe on all types of manual valves, handle can not be downward.

The valve must be inspected before installation. For the work pressure is greater than 1.0 MPa and in the main tube to play a cut-off valve, the installation should be carried out before the strength and tightness test, qualified to use the rear. Strength test, the test pressure of 1.5 times times the nominal pressure, duration of not less than 5min, valve housing, fillers should be no leakage for qualified. In the tightness test, the test pressure is 1.1 times times the nominal pressure.

Handwheel, handle and transmission mechanism are not allowed for lifting, no collision.

With the transmission mechanism of the gate valve, according to the specifications of the product installation.


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