Check valves

A.R.I. check valves are manufactured under the strictest quality control standards.Click on the following check valves for more information:Check Valves for WastewaterSwing check valve with removable cover NR-040. These check valves are also available with a hydraulic control system. Check Valve for Water Systems Check valve NR-010Check valve NR-020Swing check valve NR-030, NR-040Tilting disks check valve NR-050Back flow preventer RP-500Back flow preventer - Double Check Valve DC-500Check valve with electronic indicatorA.R.I. check valve are known for their superior attributes*:Special Fat Boy design, with a unique, upper flap chamber, for reduction of head losses and for prevention of clogging. Long lifeLow maintenanceEasily disassembled for cleaning and replacing internal partsGreater flow ratesA.R.I. manufacture a large variety of check valves to meet almost every need:Non-ferrous materials includingNylon, cast iron, steel, stainless steel Sizes from 3 (80 mm) to 40 (1000 mm)Working pressures from 0.2 bar (3 psi) to 64 bar (928 psi)