Humes - Model AVK - Check Valves - Brochure

Humes AVK Check valves (also known as reflux, non-return, back pressure and retaining valves) are designed to permit flow in one direction and to prevent it in the reverse direction.  Humes offers a wide range of AVK check valves including ball checks with internal thread and flanges, resilient/metal setaed disc, with/without lever, weight and limit switch, recoil non slam and large diameter.