Range of CA-b backflow prevention devices with plastic bodies, incorporating EPDM seals and diaphragm. Maximum working pressure 3.0 bar. Maximum operating temperature 65°C.
Range of CAb backflow prevention devices with plastic bodies, incorporating EPDM seals and diaphragm. Filling link with manual or automatic tap. Maximum working pressure 3.0 bar. Maximum operating temperature 65°C.
Range of non-verifiable double check valve assemblies, consisting of two spring loaded resilient trim in-line check valve cartridges housed in DZR brass bodies, models AI-903215, Al-903222 & AI-903228 are chrome plated. Maximum working pressures: AI-903215, AI-903222 & AI-903020 16 bar. AI-903032, AI-903040 & AI-903050 10 bar. Maximum operating temperature 60°C Added September 2025 Maximum working pressure 10 Bar (AI-903025) Maximum working pressure 16 Bar (AI-903228) Maximum operating temperature 85°C
| Product Identification | Surface finish | Inlet Dimension | Max Wrk. Pressure | Max Op. Temp. | Marking | Marking Location | All metals in the water pathway are on the 4msi positive list | Headwork | Fixing Type | Spout Outlet | Includes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| VS11-BZ20 | ½” BSP | 10 bar | 85 °C | PPI 20 | Body | No | Non-rising spindle | Not Applicable | Not Applicable | ||
| VS11-BZ24 | ½” BSP | 10 bar | 85 °C | PPI 24 | Body | No | Non-rising spindle | Not Applicable | Not Applicable | ||
| VS5412-BZ20 | ½” BSP | 10 bar | 85 °C | PPI 20 | Body | No | Non-rising spindle | Not Applicable | Not Applicable | ||
| VS5412-BZ24 | ½” BSP | 10 bar | 85 °C | PPI 24 | Body | No | Non-rising spindle | Not Applicable | Not Applicable |
The difference between models are the splines only, one has 20 and the other has 24.
Range of push to open, push to close ‘detent’ headworks with plastic bodies, NBR ‘O’-rings and stainless-steel strainer. For insertion into specifically dimensioned bores. Maximum working pressure 10 Bar Maximum operating temperature 85°C
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