Buried Soft-Seated Gate Valves
Yongquan lists a buried soft-seated gate-valve construction in its populated gate-valve catalogue.
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The supplier separately lists an all-stainless reduced-pressure backflow-prevention assembly; request the actual configuration and installation drawing.
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.