
Plastic Check Valves - AIMS
The 693 Series Check Valve maximum operating pressure of 125 psi covers a wide range of air and fluid appliions. The 693 Check is a compact design with a light cracking pressure, high flow rate, and a positive seal at very low back pressure or slight vacuum. For higher cracking pressure appliions, an eedded o-ring poppet is substituted for the standard elastomer …