Swing check valve with pressure seal - UNIFLOW Fig. 31 | Comeval

The Swing Check Valve with Pressure Seal - UNIFLOW Fig. 31 by Comeval is designed to prevent reverse flow in piping systems using an articulated disc with a metal seat. Its robust and straightforward design allows for a wide range of applications and easy maintenance. The valve offers diverse design combinations, including various end connections (flanged, BW, SW, threads), materials (cast and forged), and trims. It accommodates nominal sizes from DN50 to DN900 (2-36 inches) and design pressures from PN16 to 420 (ANSI Class 150-2500). Commonly referred to as non-return valves or backflow preventers, these valves are suitable for applications in HVAC, steam, gases, and compressed air systems. Certifications include the Comeval PED Module H Certificate of Conformity, EAC Certification 032, EAC Declaration 010, EAC Declaration 032, and Piston Check Valves Declaration of Conformity.