Double check valves

Herz double check valves are used for heating applications and are WRAS approved. They have a brass body, elastomer seals, acetyl copolymer check cartridges and a stainless steel spring. Dimensions: Widths: 25, 30, 38, 46, 52 and 65mm. Lengths: 81, 92, 100, 122, 135 and 174mm. Specification: Test pressure: 16 bar. Working pressures: 0.1-10 bar