Safety Relief Valve with Pressure Gauge
Series: 353
Safety Relief Valves • Climate Comfort & Hydronic Heating

Product Description
The 353 safety relief valve is a controlled rise standard safety relief valve with an integrated pressure gauge, designed to protect hydraulic circuits and heat generators from overpressure. When system pressure exceeds the calibration setting, the valve automatically opens to discharge excess fluid, preventing system damage. The integrated dial pressure gauge provides visual pressure monitoring for easy system maintenance.
Key Features
- Automatic pressure relief protection
- Integrated dial pressure gauge for visual monitoring
- Controlled rise operation
- Durable brass construction with stainless steel spring
- EPDM PEROX seals for reliable operation
- Manual test function for periodic checks
- Wide range of calibration pressures available
Applications
- Hydraulic circuits and heat generators (less than 35 kW)
- Hot water storage heaters
- Heating systems requiring pressure monitoring
- Boiler installations
- Commercial and residential applications
Select Size
Select Pressure
Specifications - 1/2" (15mm) - 2Bar
Item Code:3530420
Connection:1/2" (15mm)
Calibration Pressure:2Bar
Max Operating Pressure:10 bar
Max Operating Temperature:110°C
Orifice Diameter:15 mm
Pressure Gauge:Integrated dial gauge
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