709 Cast Iron High-Pressure Flexible Clamp Koplin Connector

709 Cast Iron High-Pressure Flexible Clamp Koplin Connector. The 709 cast iron high-pressure flexible clamp is specially designed for grooved ultra-high-pressure piping systems, mainly used in fire protection piping systems, marine piping systems, and so on. The casing is made of casting material that meets the US ASTM A536 standard. High-pressure resistant, tightly sealed, corrosion-resistant, suitable for all working conditions.