Fig. 425 Pressure Reducing Valve
Verified by manufacturer 1 month ago
DN15
DN15
DZR brass pressure reducing valve, PN25.
Application
Suitable for drinking water applications only (medium use), up to 80°C.
Description
DZR brass pressure reducing valve, PN25.
Features and benefits:
- PRVs enable control of pressure from boosted hot and cold water supplies to match site requirements.
- Includes male union tail-pieces for ease of installation, reducing time spent on site.
- Features an integral strainer preventing debris from affecting valve performance.
- Recommend that isolation valves are fitted upstream and downstream of the valve to enable isolation for cleaning of strainer.
- Performance in accordance with BS EN 1567 for quality assurance.
- Easy access for measuring the outlet pressure.
- A pressure gauge is available to measure outlet pressure for each installed valve and should be ordered separately.
- WRAS Approved to 80°C for drinking water applications.
General information
Color | Yellow Guidance for specification option: Body. Green Guidance for specification option: Cap. |
Material | Brass EPDM Plastic Stainless steel Polyamide |
Uniclass | |
CAWS | S90/650 Flow-reducing/ servicing valves S14/393 Pressure regulators S90/650 Flow reducing/ servicing valves |
Specification data - Pressure-regulating valves
Standard | To BS EN 1567. |
Third-party certification | Water Regulations Advisory Scheme-approved and PED 2014/68/EU. |
Form | Water pressure reducing. |
Adjustment | Adjustable. |
Operating conditions | |
Temperature (maximum) | 80°C. |
Maximum working pressure | 25 bar. |
Connections | Male union tapered tail-pieces to BS EN 10266-1. |
Inlets/outlets diameter | DN15. Manufacturer guidanceNominal dimension: Equals thread size. |
Dimensions | 140 x 80 x 45 x 104 mm. Manufacturer guidanceNominal L1 x L2 x H1 x H2. |
Weight | 0.8 kg. |
Mesh size | 0.5 mm. |
Flow capacity | 0.35 L/s. Manufacturer guidanceMaximum. |
Material (all components) | Body and plug: DZR brass CW625N, Nuts: Brass CW617N, Dismantling fittings and other internal parts (in contact with water): DZR brass CW626N, Other components (not in contact with water): Brass CW614N, Filter screen: Stainless steel grade 304, Spring: Spring steel, Cartridge: Acetal, Bonnet (upper cap): Polyamide, Gaskets: Pressed fibre, Diaphragm, seat gaskets and O-rings: EPDM. Manufacturer guidance
|
Integral accessories | Strainer. |
DownstreamPressure | 1–6 bar. Manufacturer guidancePreset outlet pressure: 3 bar. |
Sustainability data
Country of product manufacture | Europe |
Material | Brass EPDM Plastic Stainless steel Polyamide |
Recyclability | Recycle locally |
Expected Life | 20 year |
Literature
Fig. 425 Pressure Reducing Valve - TM65-HATTERSLEY-FIG. 425-DN15
Fig. 425 Pressure Reducing Valve - TM65-HATTERSLEY-FIG. 425-DN20
Fig. 425 Pressure Reducing Valve - TM65-HATTERSLEY-FIG. 425-DN25
425 Pressure Reducing Valve - TM65-HATTERSLEY-FIG. 425-DN32
Fig. 425 Pressure Reducing Valve - TM65-HATTERSLEY-FIG. 425-DN40
Fig. 425 Pressure Reducing Valve - TM65-HATTERSLEY-FIG. 425-DN50
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