Reliance RWC TPR15 Pressure & Temperature Relief Valve 1/2" x 15mm 7 Bar - PTEM550854

The Altecnic / Caleffi 311 Safety Valve - 311560 is specifically designed for use in domestic hot water systems, providing essential protection for hot water cylinders, as well as in heating systems to safeguard boilers and other components. This valve is chosen based on the required set pressure. When system pressure increases and reaches the discharge threshold, the valve opens, releasing excess pressure to the atmosphere. This crucial function prevents the pressure from escalating to dangerous levels within the system, ensuring the safety of the boiler, hot water storage cylinder, and any personnel nearby.

Specifications

• Size: 3/4" x 3/4"
• Connections: BSP Female Inlet x BSP Female Outlet
• Materials: Brass
• Medium: Air and Water
• Set Pressure: 6 Barg
• Discharge Flowrate: 248.8 kg/hr
• Max Boiler Rating: 144.6 kW
• Temperature Range: +5 to +110 degC
• Product Code: 311560
• Notes: WRAS approved, CE marked

This high-quality safety valve ensures optimal performance and reliability in your heating system, making it a vital component for any domestic hot water setup.

**Stainless Steel Expansion Vessel for Heating Applications** Introducing the Reliance Valves Aquasystem Heating Expansion Vessels, expertly designed for a variety of heating applications. Our stainless steel expansion vessels are available in capacities ranging from 2 litres to 5,000 litres, with maximum pressure ratings between 8.0 and 10.0 bar. Each unit features replaceable membranes, allowing for convenient servicing on-site. This innovative design ensures that water never comes into contact with the steel shell, significantly reducing the risk of internal corrosion and enhancing the longevity of the vessel. **Features and Benefits:** - **Corrosion-Resistant Design:** The stainless steel bolted flange provides robust protection against corrosion, ensuring durability. - **Enhanced Flow and Reduced Noise:** The extra wide membrane opening optimises flow, minimising noise caused by restricted water movement. - **Internal Protection:** The internal membrane design prevents any water contact with the steel shell, effectively mitigating internal corrosion. - **Versatile Capacity Range:** Our vessels come in a broad range of sizes from 2 to 5,000 litres, catering to all heating applications. - **Ease of Maintenance:** Each version is equipped with a replaceable membrane, allowing for servicing without the need to remove the vessel. - **Convenient Pre-Charge Valve:** Topping up air pressure is straightforward with the inclusion of a pre-charge valve. - **Specific Application:** Designed exclusively for heating applications. **Specifications:** - **Capacity:** 50 Litres - **Colour:** Red - **Pre-Set Pressure:** 1.5 Bar - **Maximum Pressure:** Up to 500 Litres - 8.0 Bar / 750 Litres and above - 10.0 Bar - **Minimum Temperature:** -10°C - **Maximum Temperature:** 99°C - **Height:** 364mm - **Diameter:** 365mm - **Water Connection:** 3/4" MBSP **Materials:** - **Shell:** Epoxy Coated Steel - **Membrane:** EPDM - **Bolted Flange:** Galvanised Steel **Standards and Approvals:** - CE marked according to Directive PED 97/23/CE - TUV Certified Upgrade your heating system with Reliance Valves Aquasystem Heating Expansion Vessels—engineered for performance, longevity, and reliability. Perfect for any heating application, our expansion vessels deliver exceptional quality and peace of mind.

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