Are the upward/downward discharge valves and the inward/outward discharge valves the same concept?
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Can the abductive version be understood as equivalent to the upward-moving version? Solve
The discharge valve is located at the bottom of the equipment; below this valve is the outside surface of the equipment. \"Lowering\" and \"extending outward\" seem to mean the same thing.
It should be the same; the principle is to prevent the material accumulated in the section from the bottom of the equipment to the pipe connection from solidifying
Read the standards; they contain the diagrams for HG T 3217-2016 – upward-opening discharge valves with gasketed covers, and HG T 3218-2016 – downward-opening discharge valves with gasketed covers