1. Handwheels, handles, and actuating mechanisms must not be used for purposes other than operating the valve; impact or collision with them is strictly prohibited.
2. Double-disc gate valves should be installed vertically (i.e., with the stem in a vertical position and the handwheel at the top).
3. For gate valves equipped with a bypass valve, the bypass valve should be opened first (to balance the pressure difference between the inlet and outlet and reduce the force required to open the main valve).
4. Gate valves equipped with actuating mechanisms must be installed in accordance with the product's instruction manual.
5. If the valve is operated frequently, it should be lubricated at least once a month.
Precautions for Forged Steel Flanged Gate Valves
May 16, 2026
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