Safety Relief Valve Afriso AED 3/4x1' DN20 3.0 bar

The Afriso AED safety relief valve with connection size 3/4x1' and nominal diameter DN20 is engineered to protect pressurized systems by opening at a preset 3.0 bar. Intended for use in heating, hot-water and industrial installations, this valve releases fluid when system pressure exceeds the set point to prevent damage to piping, vessels and equipment. The design supports reliable pressure control while remaining compact and compatible with common pipeline fittings.

Advantages

This safety relief valve provides a fixed opening pressure of 3.0 bar, ensuring repeatable and predictable pressure relief. The valve’s DN20 nominal diameter and 3/4x1' connection make it suitable for standard heating and hot-water circuits. Constructed for durability in typical installation environments, the valve offers stable operation with minimal maintenance requirements and straightforward integration into existing systems.

Suitable for

• Central heating systems and boilers
• Domestic hot-water installations
• Closed industrial pressure systems requiring overpressure protection
• Hydraulic circuits with compatible connection sizes

Key specifications

• Set opening pressure: 3.0 bar
• Nominal diameter: DN20
• Connection size: 3/4x1' compatible with standard pipe fittings
• Function: automatic pressure relief to protect systems from overpressure
• Typical applications: heating, hot-water and industrial fluid systems

How to use

Install the valve in the system at a location where pressure relief discharge can be safely routed away from personnel and equipment. Ensure correct orientation and proper sealing of the 3/4x1' connection to the piping. The valve is factory-set to open at 3.0 bar and requires no user adjustment for the specified set point. After installation, test the system under controlled conditions to confirm correct operation and check for any leaks around connections.

Usage recommendations

Place the valve where discharged fluid can be drained to a safe location and provide regular visual inspection for leaks or corrosion. Do not block the outlet and ensure that the operating temperature and fluid type are compatible with the valve’s materials. Periodic functional testing and maintenance in accordance with local codes and system manufacturer guidance will help ensure continued protection against overpressure.