Dual Plate Dual plate check valve - D6 | Brandoni Dual plate check valve - D6 | Brandoni The Dual Plate Check Valve - D6 by Brandoni is a high-quality dual-plate wafer check valve designed to meet stringent product standards and comply with EN ISO 9001 quality requirements. It is available in two versions: the D6.0, featuring a cast iron body, is ideal for HVAC systems, water treatment and distribution, pumping stations, and various... View Flanged (Wafer) PN 10 PN 16 DIN EN-GJL-250 ASTM A351 CF8M EPDM FKM (Viton®)