Gate Valves
Zhengzhou High Pressure Valve Factory publishes a separate gate-valve series; request the exact model rather than applying the company overall pressure range to every valve.
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The factory publishes a check-valve series for non-return enquiries, without one common body construction implied for every model.
Describe the medium, line dimensions, flow direction, operating conditions and installation position. Ask for the actual offered check-valve construction and installation information so its opening and closing arrangement can be reviewed for the line. Request the current catalogue or drawing for this item, and confirm the offered configuration and supporting documents with the company before specifying an order.