D140W Check Valve Swing Pattern
Verified by manufacturer 10 days ago
DN20
DN20
A bronze swing check valve.
Application
Suitable for pipelines generally but this valve is not suitable for use on Group 2 gases, Group 1 gases or unstable fluids, as defined by the Pressure Equipment Directive 97/23/EC.
Description
A bronze swing check valve.
Features and benefits:
- Check valves permit flow in one direction only and close automatically if flow reverses.
- They are entirely automatic in action, depending upon pressure and velocity of flow within the line to perform their functions of opening and closing.
General information
Specification data - Irrigation check valves
Standard | To BS EN 10226-2, BS 5154: 1991, BS EN 1982 and BS EN 12164. |
Pressure rating | PN25. |
Connections | Taper threaded. |
Inlets/outlets diameter | DN20. |
Dimensions | 66 x 42 mm. |
Weight | 0.43 kg. |
Operation | Swing type check valve. |
Materials | Bronze BS EN 1982 CC491K, Brass BS EN 12164 CW614N, Nitrile rubber and Stainless steel. Guidance for specification option: Body, Cap, Hinge, Disc Holder(1 1/4 - 2 inch): Bronze; Disc Holder (3/4 - 1 inch), Disc Retaining nut, Washer, Hinge nut, Hinge Pin (2 1/2 & 3 inch): Brass; Disc: Nitrile rubber; Hinge pin: Stainless steel. |
PressureRange | Temperature: -10 to +85°C: 25 bar. |
Third-party certification | WRAS approved. |
Sustainability data
Material | Bronze |
Recyclability | Recyclable Guidance for specification option: Recycle locally, consult manufacturer for details. |
Expected Life | 20 year |