Gate valve installation and maintenance
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Gate valve installation and maintenance should note the following: Hand wheel, handle and transmission are not allowed to lift, and no collision. Double gate valve should be installed vertically (ie stem in a vertical position, the hand wheel at the top). The gate valve with bypass valve should open the bypass valve before opening (to balance the pressure difference between inlet and outlet and reduce the opening force). Gate valve with transmission, according to the instructions of the product installation instructions. If the valve is always on and off, lubricate at least once a month. More Search Keywords: Gate valve