Reliance RWC 100 Series Pressure Relief Valve 3/4" x 1" F x F 3 Bar - PREL100014

**PREL100014 High Capacity Sealed Heating System Pressure Relief Valve** The PREL100014 High Capacity Sealed Heating System Pressure Relief Valve is designed to safely discharge water from the system at a predetermined pressure during instances of over-pressurisation—particularly suitable for larger capacity systems. Manufactured by Reliance Valves, the 100 Series Pressure Relief Valves are crafted from hot pressed brass and are primarily employed to protect closed-circuit wet heating systems against excessive pressure. Key features include an outlet that is one size larger than the inlet, ensuring high discharge flow rates. The valve features a separate seal seating from the diaphragm, enhancing resistance to scaling, and a cover made from OT58 brass. Available in various sizes to accommodate most installations, it operates within a pressure range of 2.5 - 5.0 bar, with the specified response pressure conveniently indicated on the twist cap. The appropriate valve size is determined by the heat output of the boiler, as detailed in the maximum heating capacity table. ### Features and Benefits: - **High Flow Design:** Optimised for larger capacity systems. - **Enhanced Discharge Capacity:** The outlet is larger than the inlet for superior discharge rates. - **Overpressure Protection:** Safeguards wet heating systems against excessive pressure. - **Improved Scaling Resistance:** Diaphragm design enhances resistance to scale build-up. - **Easy Maintenance:** Cartridge design allows for hassle-free servicing and replacements without the need to reset response pressure. - **Versatile Pressure Range:** Set pressure range from 2.5 - 5.0 bar accommodates diverse system requirements. - **Increased Discharge Capability:** High lift design for enhanced discharge performance. - **Application Specific:** Suitable exclusively for heating applications. ### Specifications: - **Size:** 3/4" x 1" - **Connections:** BSP Female Inlet x BSP Female Outlet - **Materials:** Hot pressed DZR Brass - **Medium:** Water - **Set Pressure:** 3 Barg - **Temperature:** +140 °C - **Product Code:** PREL100014 - **Notes:** WRAS approved Ensure the reliability and efficiency of your heating system with the PREL100014 High Capacity Sealed Heating System Pressure Relief Valve—designed to protect and enhance your installation's performance.

View Product on Company Website

Other Products and Services from Flowstar (UK) Ltd

Reliance RWC 102 Series Pressure Relief Valve 1/2" x 1/2" M x F 10 Bar - PREL106003

**PREL106003 Potable Water Pressure Relief Valve** The PREL106003 Potable Water Pressure Relief Valve is designed to safeguard unvented systems from over-pressurisation. In the event of excessive cold water pressure, this valve will discharge water from the system at a predetermined pressure, ensuring the safe operation of your unvented cylinder. Reliance Valves 102 Series Potable Water Pressure Relief Valves are pre-set and securely locked to a specific pressure. When the system pressure exceeds this limit, the valve lifts off its seat, allowing water to discharge safely to waste. This valve acts as the primary safety device within your unvented system. Manufactured with a robust single-piece cartridge, these pressure relief valves are available in various pressure settings and connection sizes, facilitating straightforward installation. **Features and Benefits:** - **Quick and Easy Cartridge Removal:** The single-piece cartridge can be rapidly removed for cleaning or replacement. - **Improved Scale Resistance:** The advanced diaphragm design enhances resistance to scale build-up, ensuring long-lasting performance. - **Over-Pressurisation Protection:** Safeguards your system against potential over-pressurisation issues. - **Flexible Installation Options:** Multiple connection sizes allow for versatile installation configurations. - **Wide Relief Pressure Range:** Set at 10 bar, suitable for various applications. - **Cold Water Use Only:** Specifically designed for cold water systems. **Specifications:** - **Size:** 1/2" x 1/2" - **Connections:** BSP Male Inlet x BSP Female Outlet - **Materials:** Hot pressed DZR Brass - **Medium:** Water - **Set Pressure:** 10 Barg - **Temperature Rating:** +140°C - **Product Code:** PREL106003 - **Certification:** WRAS approved Ensure the safety and reliability of your unvented water system with the PREL106003 Potable Water Pressure Relief Valve – your first line of defence against over-pressurisation. Perfect for installation in residential and commercial settings alike.

Pneumatic Control Valve

Our Pneumatic Control Valves are expertly engineered to regulate gases, vapours, and liquids, fully compliant with the European Pressure Equipment Directive and certified under the ISO 9001 quality assurance system. Featuring a globe body design, these valves include top-entry, single-seated configurations that operate as either two-way, direct, or reverse action, alongside a multi-spring pneumatic actuator. The innovative modular design of the valve, coupled with an extensive selection of available trims, allows for a multitude of configurations to suit varied applications. When paired with the pneumatic actuator, these valves offer precise modulating control or reliable on/off performance. The actuator can be swiftly converted between direct and reverse actuation without taking the system offline. The expertly crafted body shape ensures optimum flow characteristics to maximise efficiency.

If you have specific requirements, please do not hesitate to contact us.

Reliance RWC 102 Series Pressure Relief Valve 3/4" M x 22mm 6 Bar - PREL102027

The PREL102027 Reliance Water Controls (RWC) 102 Series potable water pressure relief valve is essential for discharging water from the system at a predetermined pressure, safeguarding against cold water over-pressurisation in unvented cylinders. Designed to protect unvented systems from excessive pressure, the Reliance Valves 102 Series Potable Water Pressure Relief Valves feature a pre-set and locked mechanism that activates when the system pressure exceeds the defined limit. At this point, the valve lifts off its seat, allowing water to be released safely to waste. Serving as the primary safety device in any unvented system, these pressure relief valves are crafted with a robust single-piece cartridge and are available in various pressure settings ranging from 3.5 to 8 bar, along with multiple connection sizes for versatile installation.

Features and Benefits:

Quick and easy removal of the single-piece cartridge for cleaning or replacement
Innovative diaphragm design for enhanced resistance against scale build-up
Effective protection against over-pressurisation
Multiple connection options for flexible installation
Adjustable relief pressure range from 3.5 to 8 bar
Designed exclusively for cold water applications

Specifications:

Size: 3/4" x 22mm
Connections: BSP Male Inlet x Compression Outlet
Materials: Hot-pressed DZR Brass
Medium: Cold water
Set Pressure: 6 Barg
Temperature: +140°C

Ensure the safety and efficiency of your unvented system with the PREL102027 Reliance Water Controls 102 Series potable water pressure relief valve – a reliable solution for managing cold water pressure. Shop now to secure optimal performance and peace of mind!

View All

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.

Learn More Visit Website