Cole-Parmer® Standard Check Valves, Gamma-Stable Polycarbonate

Ensure backflow protection for your fluid system with a check valve

Place these check valves in your line to prevent backflows to protect your fluid system. Gamma-stable polycarbonate body and silicone diaphragm construction offers excellent purity and compatibility with gamma irradiation.

The gamma-stable polycarbonate body is ISO 10993 tested for biocompatibility, making these check valves ideal for pharmaceutical and analytical applications. The silicone diaphragm opens at 0.5 psi and closes at 1.9 psi ensuring unidirectional flow. A free-floating, disk-based silicone diaphragm allows installation in any position. Single-barb design accepts flexible tubing.