Wafer spring check valves

Back check valves with stainless steel disc, installed between flanges, for LPG and other petroleum or chemical fluids.

ARD series

All-stainless-steel valve with spring and disc for mounting in any position.
Metal/metal sealing (leakage rate according to API 598 standard).
Compatible for explosive atmospheres, ATEX Zone 1&21 and Zone 2&22.
Valve complying with EC regulation 1935/2004 on request.

• Dimensions: DN15 to DN200
• Connection: Between flanges PN10/16/25/40
• Minimum temperature: -20°C
• Maximum temperature: +400°C
• Maximum pressure: 40 Bars