https://www.kellyvalve.com/dual-plate-wafer-check-valves-api-594-10-inch.html
Dual Plate Wafer Check Valves, API 594, 10 Inch | Kelly
China Dual Plate Wafer Valves Manufacturer Kelly Supplies Dual Plate Wafer Valves, API 594, 10 Inch (DN250), 150 LB (PN20), CF8, ASME B16.10, API 6D.
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