The use of soft seal gate 1. Soft seal gate valve opening and closing direction of operation, should be closed clockwise. 2. In order to facilitate a person's opening and closing operations, under plumbing conditions, the maximum opening and closing torque should be 240N-m. 3. Due to the pneumatic valve in the pipe network, often manual opening and closing, opening and closing speed should not be too much, that is, large-diameter valves should also be within 200-600 turn. 4. If the soft seal gate valve buried deeper, the operating mechanism and the display panel from the ground distance ≥ 1.5m, should be equipped with additional rod facilities, and fixed firmly, so that people from the ground to observe and operate. In other words, pipe network valve opening and closing operation, should not go down to work. 5. Soft seal gate valve opening and closing operation end should be square tenon, and size standardization, and facing the ground, so that people can directly operate from the ground. Valves with wheels are not suitable for underground pipe networks.
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