Cast swing check valves - UNIFLOW Fig. 3S | Comeval
Cast swing check valves - UNIFLOW Fig. 3S | Comeval

Cast swing check valves - UNIFLOW Fig. 3S | Comeval

The Cast Swing Check Valves - UNIFLOW Fig. 3S by Comeval are designed to prevent reverse flow in piping systems using an articulated disc with a metal seat. These valves are known for their robust and simple design, offering easy maintenance and a wide range of applications. They come in various design combinations, including different end connections (flanged, BW, SW, threads), materials, and trims. The nominal size range is DN50-DN900 (2-36 inches), and they support a design pressure range of PN16-420 (ANSI Class 150-2500). Commonly referred to as cast steel non-return valves or backflow preventers, they are suitable for applications in HVAC, steam, gases, and compressed air systems. The valves are certified with the Comeval PED Module H Certificate of Conformity and various EAC certifications.
Standard (Options)
  • ANSI
Connection (Options)
  • Flanged
  • Butt Weld
Material (Options)
  • ASTM A216 WCB
  • ASTM A217 WC1
  • ASTM A217 WC6
  • ASTM A217 WC9
  • ASTM A217 Grade C5
  • ASTM A217 Grade C12
  • ASTM A352 LCB
Pressure Rating (Options)
  • 150 lbs
  • 300 lbs
  • 600 lbs
  • 900 lbs
  • 1500 lbs
  • 2500 lbs

Datasheet and documents

Description

Swing check valves to prevent the reverse of flow in a piping system, by means of its articulated disc, with metal seat. Wide application range by its rugged and simple design and easy maintenance.

Specification of the range:

Diverse design combinations by end connections (flanged, BW, SW, threads), materials of construction and trims, nominal size range (DN50-DN900 / 2-36") and design pressure range (PN16-420 / ANSI Clase 150-2500).

Other typical denominations: Cast steel Non return valves, backflow preventer Module H

Applications: HVAC, steam, gases, compressed air, etc.

Certifications: Comeval ped module h certificate of conformity, Eac certification 032, Eac declaration 010, Eac declaration 032, Piston check valves declaration of conformity, Piston check valves declaration of confo

Certificates

Comeval ped module h certificate of conformity 

Eac certification 032 

Eac declaration 010 

Eac declaration 032 

Piston check valves declaration of conformity 

Piston check valves declaration of conformity atex 

Swing check valves declaration of conformity 

Swing check valves declaration of conformity atex