Reliance RWC TPR15 Pressure & Temperature Relief Valve 1/2

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

The Reliance Water Controls (RWC) TPR15 Pressure and Temperature Relief Valves are compact yet robust solutions, expertly designed to safeguard against over-pressurisation in unvented hot water systems. These essential valves are specifically intended for installation at the upper section of a hot water cylinder, where the highest temperatures are typically encountered. In the event that the system temperature exceeds 95°C, the wax mixture within the temperature probe's element expands, lifting the valve off its seat to release water safely, thereby alleviating pressure within the cylinder. Furthermore, if water pressure escalates without a corresponding temperature rise, the valve remains shut until the predefined pressure of the relief mechanism is reached, at which point it will open to release excess pressure. Certain models feature a PTFE coating on the Male BSP inlet thread, facilitating a quicker and more efficient installation process. 

Features and Benefits:

  • Provides protection against temperatures exceeding 95°C
  • Prevents over-pressurisation of the system
  • Twist top cartridge design for straightforward servicing
  • Available with various pressure settings and probe lengths
  • Includes PTFE coating in select models

Specifications:

  • Size: 1/2" x 15mm
  • Connections: BSP Male Inlet x Compression Outlet
  • Materials: Brass
  • Medium: Hot water only
  • Set Pressure (Set & Locked): 7 Barg
  • Temperature Relief: +90 to 95°C
  • Discharge Capacity: 10 kW
  • Probe Length: 95mm
  • Product Code: PTEM550854
  • Notes: With PTFE, WRAS approved

Invest in the RWC TPR15 Pressure and Temperature Relief Valves for reliable performance and peace of mind in your hot water systems.

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Altecnic / Caleffi 311 Series Safety Relief Valve 3/4

Altecnic / Caleffi 311 Series Safety Relief Valve 3/4" x 3/4" F x F 6 Bar - 311560

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

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Reliance RWC 50 Litre Heating Expansion Vessel Tank with Replaceable Membrane Pre Set 1.5 Bar - XVES100080

**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.
Nickel Aluminium Bronze (NAB) Y Strainer

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Flowstar UK Ltd

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.