Temperature and pressure relief valve for DHW 3/4" male thread x22mm 10 bar 309500
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Sales unit dimensions and weight: 1 pcs
Temperature and pressure relief valve for DHW 3/4" male thread x22mm 10 bar 309500
Temperature and pressure relief valve is a key element protecting the domestic hot water system. It prevents exceeding the permissible pressure and temperature values, protecting the tank and other system components from damage. The Caleffi 309 model, made of high-quality materials, ensures reliable operation and long service life.
This valve is designed for mounting in DHW tanks and effectively controls temperature and pressure, opening when they are exceeded and releasing excess water. This minimizes the risk of failure and ensures safe operation of the installation. The body made of dezincification-resistant brass guarantees corrosion resistance and durability in harsh operating conditions.
- Overpressure protection: The valve opens when the pressure in the installation exceeds the set value (in this case 10 bar), protecting against potential damage.
- Overheating protection: The temperature mechanism reacts to temperatures above 90°C, preventing water boiling and damage to the tank.
- Durable construction: The body made of dezincification-resistant brass and components made of high-quality materials ensure long service life and reliable operation.
- Compliance with standards: The valve meets the requirements of Directive 97/23/CE and has a certificate of conformity with EN 1490 standard (for settings 4-7-10 bar), which confirms its safety and quality.
- Performance: A discharge capacity of 25 kW makes the valve suitable for larger DHW tanks.
The valve is characterized by a 3/4” GZ threaded connection and a 22 mm diameter outlet, which facilitates its installation in standard installations. Sealing elements and a diaphragm made of EPDM ensure tightness and resistance to chemical agents contained in the water. The spring made of EN 10270-1 SH steel guarantees precise operation of the regulating mechanism. Correct installation - in accordance with the flow direction indicated by the arrow on the body - is crucial for the proper functioning of the valve.