

NIAGARA Check Valve – Model CS1W
Spring-loaded, non-slam check valve with flanged ends, designed for domestic water systems. WRAS approved and coated with fusion-bonded epoxy for superior corrosion resistance and durability.
Technical Data | |
---|---|
End Connections | Compression to BS EN 1252-2, Female taper threaded to BS EN 10226-2 |
Material: | DZR Brass |
Pressure Rating: | PN16 |
Size: | Fig. 250CW: 15mm to 28mm, Fig. 250W: 1/2" to 2" |

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- Description
- Additional information
Description
NIAGARA Check Valve – Model CS1W
The CS1W model is a spring-loaded, axially guided disc check valve engineered to provide reliable protection against backflow in domestic and commercial water systems.
It features a positive non-slam shut-off mechanism that prevents water hammer and ensures smooth operation.
WRAS approved for use with wholesome (potable) water up to 85°C, this valve is ideal for water supply networks requiring hygienic and dependable performance.
Its resilient seat ensures tight sealing, while the fusion-bonded epoxy coating (internal and external) offers excellent protection against corrosion and extends service life.
Technical Specifications:
-
Size: DN50 to DN300
-
Pressure Rating: PN16
-
End Connections: Flanged to BS EN 1092-2 PN16
-
Material: Ductile Iron
-
Temperature Rating: -10°C to 120°C (WRAS to 85°C)
Additional information
Size: | Fig. 250CW: 15mm to 28mm, Fig. 250W: 1/2" to 2" |
---|---|
Pressure Rating: | PN16 |
End Connections | Compression to BS EN 1252-2, Female taper threaded to BS EN 10226-2 |
Material: | DZR Brass |
Overview
NIAGARA Check Valve – Model CS1W
The CS1W model is a spring-loaded, axially guided disc check valve engineered to provide reliable protection against backflow in domestic and commercial water systems.
It features a positive non-slam shut-off mechanism that prevents water hammer and ensures smooth operation.
WRAS approved for use with wholesome (potable) water up to 85°C, this valve is ideal for water supply networks requiring hygienic and dependable performance.
Its resilient seat ensures tight sealing, while the fusion-bonded epoxy coating (internal and external) offers excellent protection against corrosion and extends service life.
Technical Specifications:
-
Size: DN50 to DN300
-
Pressure Rating: PN16
-
End Connections: Flanged to BS EN 1092-2 PN16
-
Material: Ductile Iron
-
Temperature Rating: -10°C to 120°C (WRAS to 85°C)
Details
specifications | |
---|---|
End Connections | Compression to BS EN 1252-2, Female taper threaded to BS EN 10226-2 |
Material: | DZR Brass |
Pressure Rating: | PN16 |
Size: | Fig. 250CW: 15mm to 28mm, Fig. 250W: 1/2" to 2" |
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