Non Return Valves

Cast Iron Check Valves permits flow in one direction only and close automatically when flow reverses. It is entirely automatic in action, depending upon differential pressure and velocity of flow within the line to perform its functions of opening and closing. Typical services include: hot and cold water, HVAC, steam, gas and other general utility services.

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When you are looking to invest in a special valve that is designed not only to be fully automatic, but also to provide a specific advantage such as allowing flow only in one direction, you should know that our Cast Iron Check Valve would be an excellent option. After allowing the flow in a particular direction, it closes, not allowing it to come back. You can rely on this type of valve for a wide range of applications from hot and cold water, gas, steam and even HVAC. Of course, these are a just a few more examples. If you want to make a choice regarding the body material, you should know that we have two options: cast iron or ductile iron.

When it comes to its construction, there are a few different types available based on your needs. We have swing, lift, globe silent types that you can choose from. One-piece disc construction is designed to work in the most extreme conditions. Another advantage is that, this product has a large cover that is bolted on and that provides easy access to the interior of the valve for maintenance purposes.

 

Product Description

  • Body Material: Cast Iron or Ductile Iron
  • Construction: Swing Type, Wafer Type, Lift Type, and Globe Silent Type Available
  • Design Prohibits Galling or Scoring of Seating Surfaces
  • One-Piece Disc Construction Designed to Withstand Severe Service Conditions.
  • Large Bolted-On Cover Provides Easy Access to Interior for Routine Maintenance
  • Epoxy Powder Coating or Paint Coating
  • Size Range: NPS 1-1/2” ~ 24”  ;  DN40 ~ DN600
  • Pressure Rating: Class 125 / Class 150  ;  PN10 / PN16
  • End Type: FF, RF, Wafer Type, etc.

Technical Specifications

  • Design and Manufacture: MSS SP-71, BS 5153, EN 12334
  • Face to Face Dimensions: ASME B16.10  or  DIN 3202 F1 / F6
  • Flange Ends Dimensions: ASME B16.1  or  DIN 2501 PN10 / PN16  or  BS 10 Table D and E  or  AS 2129 Table D and E
  • Inspection & Test: API 598  or  DIN 3230

 

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