![](https://www.hattersley.com/app/uploads/2023/09/HNH-Single-Check-Fig-160W-BF-1024x723.jpg)
![WRAS Approved Product](https://www.hattersley.com/app/themes/hattersley/assets/images/product-flags/wras-large.png)
Fig. 160W
Single Non-Return Valve - Cast / Ductile Iron
DN50 to DN300
- -10°C to 120°C (WRAS to 85°C)
- Flanged to BS EN 1092-2 PN16
![](https://www.hattersley.com/app/uploads/2023/09/Fig-250W_Check_Double_Thread_HNH-July-20-BF-b-1024x723.jpg)
![WRAS Approved Product](https://www.hattersley.com/app/themes/hattersley/assets/images/product-flags/wras-large.png)
Fig. 250W & 250CW
Double Check Valve - DZR Brass
Fig. 250W: 1/2" to 2"
Fig. 250CW: 15mm to 28mm
Fig. 250CW: 15mm to 28mm
- Compression to BS EN 1252-2 and taper female threaded to BS EN 10226-2
![](https://www.hattersley.com/app/uploads/2023/09/HNH-Double-Check-Fig-260W-BF-1024x723.jpg)
Fig. 260W
Double Non-Return Valve - Cast Iron
DN50 to DN300
- -10°C to 120°C
- Flanged to BS EN 1092-2 PN16
![](https://www.hattersley.com/app/themes/hattersley/assets/images/product-flags/.png)
![](https://www.hattersley.com/app/uploads/2023/09/Fig.47_3047_3047W_checkvalves_Hattersley-BF-1024x723.jpg)
![WRAS Approved Product](https://www.hattersley.com/app/themes/hattersley/assets/images/product-flags/wras-large.png)
Fig. 3047W
Check Valves - Swing Pattern - Bronze
3/4" to 2"
- Taper threaded to BS EN 10226 ISO 7-1 (BS 21)
![BIM File Available](https://www.hattersley.com/app/themes/hattersley/assets/images/product-flags/bim.png)