UnionsSwivelsHose TailsAir Vacuum Break ValveQuick-Lock CouplingsPoly Check Valves Poly Check Valves are our larger spring loaded Non return valve which can be installed at any angle. Poly Check Valves can be installed in line and allow the fluid to flow in one direction only. With the use Seat : Nitrile Rubber.
AVK offers a wide range of valves, hydrants and accessories designed with sealings made of our own rubber compounds approved for drinking water systems. check valves, air valves, hydrants, surface boxes, couplings, tapping saddles,