Altecnic / Caleffi Pressure Relief Valve with Circlip Connection 6 Bar - F0000412
The Altecnic / Caleffi Relief Valve - Circlip Inlet - F0000412 is specifically designed for domestic hot water systems, providing essential protection for hot water cylinders and heating systems, including boilers and other vital components. This relief valve is chosen based on the required set pressure, and as system pressure increases, it opens to discharge excess pressure into the atmosphere when the predetermined threshold is reached. This crucial function prevents potentially hazardous pressure levels from accumulating within the system, ensuring the safety of both the boiler, hot water storage cylinder, and personnel in the vicinity.
Specification:
- Materials: Brass
- Set Pressure: 6 Barg
- Product Code: F0000412
- Notes: Compatible with MK3 Caleffi Multibloc
Invest in the Altecnic / Caleffi Relief Valve F0000412 for reliable pressure regulation and enhanced safety in your domestic hot water and heating systems.
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Altecnic / Caleffi 309 Series Pressure & Temperature Relief Valve 3/4" 90°C 7 Bar - 309570CST
The Altecnic / Caleffi 309 Pressure & Temperature Relief Valve - 309570CST is designed to effectively regulate and limit the temperature and pressure of hot water in domestic storage heaters. By preventing the water from exceeding 100°C and the formation of steam, this valve ensures safety and efficiency. Once the set parameters are reached, the valve expels an adequate amount of water into the atmosphere, allowing the temperature and pressure to return to safe operating limits. The mechanism of the valve operates as follows: - **Temperature Control**: The thermostat compound within the temperature sensor, which is submerged in hot water, expands as the temperature rises. This expansion drives a thrust pin that acts on the obturator, thereby opening the valve. The valve is calibrated to open when the temperature exceeds 90°C. - **Pressure Control**: When the pressure reaches the predetermined setting, the obturator, which is countered by a set spring, lifts and fully opens the outlet. The pressure setting is selected based on the maximum allowable pressure within the system. As temperature and pressure decrease, the valve automatically re-closes within the specified tolerances.
**Specifications**
- Size: 3/4"
- Connections: Male x Ø 22 mm with compression fitting for copper pipe
- Materials: DZR
- Medium: Water
- Set Pressure: 7 Barg
- Discharge Rating: 25 kW
- Temperature Setting: 90°C
- Probe Length: 99mm
- Product Code: 309570CST
- Notes: WRAS approved, CE marked
This high-quality relief valve is an essential component for maintaining the safety and efficiency of your hot water system, making it a trusted choice for both installers and homeowners.
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Flowstar (UK) Ltd
Wiltshire Road, Kingston-upon-Hull, East Riding of Yorkshire, HU4 6PA, United Kingdom
Flowstar (UK) Ltd is a leading global supplier of safety, relief, and reducing valves. With strong partnerships across major manufacturers, we deliver precise, reliable valve solutions tailored to your needs. Email enquiries to sales@flowstar.co.uk or call us on +44 (0)1482 601030.