Series 5261

Hydraulic safety group for hot water storage heaters, with shut-off valve and controllable check valve.

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Product Description

Hydraulic safety group for hot water storage heaters, with shut-off valve and controllable check valve.
With stainless steel seat.
Certified to EN 1487.

Technical data

Maximum working pressure: 10 bar
Medium temperature range: 2–120 °C
Pressure setting: 7 bar
Finish: chrome
Material: brass

Certifications

BELGAQUA
NF
HY-CERT
ACS
PZH

Drawings and specifications

Part number Inlet connection Outlet connection Maximum discharge rating
2D drawings
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3D models
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Tender text
Hydraulic safety group for hot water storage heaters, with shut-off valve and controllable check valve. With stainless steel seat. Certified to EN 1487. Inlet connection: G 1/2" A (ISO 228-1) M. Outlet connection: G 1/2" (ISO 228-1) F. Maximum working pressure: 10 bar. Medium temperature range: 2–120 °C. Pressure setting: 7 bar. Maximum discharge rating: 4 kW. Finish: chrome. Material: brass.
SCIP code
8d2a302e-a9cf-4f40-bf17-0a01923ef89b
2D drawings
Download
Download
3D models
Download
Download
Tender text
Hydraulic safety group for hot water storage heaters, with shut-off valve and controllable check valve. With stainless steel seat. Certified to EN 1487. Inlet connection: G 3/4" A (ISO 228-1) M. Outlet connection: G 3/4" (ISO 228-1) F. Maximum working pressure: 10 bar. Medium temperature range: 2–120 °C. Pressure setting: 7 bar. Maximum discharge rating: 10 kW. Finish: chrome. Material: brass.
SCIP code
490a1c25-9ed0-459d-bc28-bf43bead4099

Applications

Pipe Sizer Caleffi
Pipe Sizer Caleffi

This application allows for sizing and making calculations for pipes and conduits carrying water or air, respectively for hydraulic or aeraulic plants.

Faq - Frequent questions

If the valve drips or frequently discharges, the system probably lacks an expansion vessel or, if present, it has lost pressure. We always recommend installing an expansion vessel together with a safety relief valve, especially if there is a hot water or storage heater present which, as it heats the water, causes the pressure to rise and therefore frequently triggers the safety relief valve. Roughly speaking, the volume of the expansion vessel must be at least 10 % of the storage volume.