Reliance RWC 107 Series Pressure Relief Valve 1/2

Reliance RWC 107 Series Pressure Relief Valve 1/2" M x 15mm 3.5 Bar - PREL107020

**PREL107020 Potable Water Pressure Relief Valve** The PREL107020 Potable Water Pressure Relief Valve is specifically engineered to safeguard unvented cylinders from cold water over-pressurisation. Part of the Reliance Valves 107 Series, this pressure relief valve effectively discharges water from the system when a designated pressure threshold is exceeded, ensuring optimal safety and performance. The valves come pre-set and securely locked to a specific pressure; should the system experience over-pressurisation, the valve will lift from its seat, allowing excess water to flow to waste. This valve acts as the primary safety device within any unvented system. Available in pressure settings ranging from 3.5 to 6 bar, the PREL107020 also features various connection sizes, providing flexibility for installation. **Features and Benefits:** - **Diaphragm Design:** Enhanced resistance to scale build-up. - **Over-Pressurisation Protection:** Ensures your system operates safely, preventing potential damage. - **Multiple Connection Options:** Allows for versatile installation to suit different setups. - **Set Relief Pressure Range:** 3.5 - 6.0 bar, accommodating various system requirements. - **Cold Water Use Only:** Specifically designed for cold water systems, ensuring efficiency and safety. **Specifications:** - **Size:** 1/2" x 15mm - **Connections:** BSP Male Inlet x Compression Outlet - **Materials:** Hot Pressed DZR Brass - **Medium:** Water - **Set Pressure:** 3.5 Barg - **Temperature Rating:** Up to +110°C - **Product Code:** PREL107020 - **Notes:** WRAS approved Enhance the reliability and safety of your unvented water systems with the PREL107020 Potable Water Pressure Relief Valve – the essential component for effective pressure management.
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Broady Type D Aluminium Bronze Pressure Reducing Valve

Broady Type D Aluminium Bronze Pressure Reducing Valve

The Broady Type D Aluminium Bronze (NAB) Pressure Reducing Valve is a high-performance solution specifically engineered to meet the demanding requirements of the fluids handling industry. Constructed from aluminium bronze (NAB), this valve is compatible with seawater, making it ideal for marine applications. Key features include high capacity and balanced internal components that adapt to fluctuating inlet pressures while ensuring stable downstream pressure. The valve guarantees a tight shut-off under no-flow conditions. Thanks to its innovative yet straightforward design with minimal moving parts, the Broady Type D Aluminium Bronze Pressure Reducing Valve delivers exceptional service life, reliability, and precision control. Furthermore, the Type D is a WRAS-approved product, available in sizes ranging from 2½” to 6”.

Specification

Sizes: 1½", 2"
Connections: Female Screwed BSPP
Materials: Aluminium Bronze body, Inconel Spring
Disc: Monel
Joints & Seals: Nitrile Disc & Seals
Medium: Liquids
Inlet Pressure (Max): 20 Barg
Outlet Pressure Range: 0.35 to 13.8 Barg
Cv Range:
Temperature:
Approvals:
Notes:

This description has been optimised for search engines, ensuring potential customers can easily find the Broady Type D Aluminium Bronze Pressure Reducing Valve when searching for high-performance valves in the fluids handling industry.
Altecnic / Caleffi Pressure Relief Valve Loose Nut Connection 4.5 Bar - F0000242

Altecnic / Caleffi Pressure Relief Valve Loose Nut Connection 4.5 Bar - F0000242

**Altecnic / Caleffi Relief Valve - Nut Inlet - F0000242** The Altecnic / Caleffi Relief Valve (Nut Inlet - F0000242) is an essential component for both domestic hot water systems and heating applications. Designed to safeguard your hot water cylinder and boiler, this reliable relief valve prevents dangerous pressure build-up within the system. When the pressure exceeds the predetermined set limit, the valve automatically opens, discharging excess pressure to the atmosphere. This action ensures the safety of the boiler, hot water storage cylinder, and protects personnel in the area. **Specification:** - **Connections:** Loose Nut Inlet - **Materials:** Brass - **Set Pressure:** 4.5 Barg - **Product Code:** F0000242 - **Notes:** Compatible with MK2 Caleffi Multibloc Ensure your heating systems operate safely and efficiently with the Altecnic / Caleffi Relief Valve. Perfect for domestic installations, this durable relief valve is engineered for optimal performance and to provide peace of mind.
Reliance RWC 12 Litre Aquasystem Potable Expansion Vessel Pre Set 3 Bar With Bracket - XVES050045

Reliance RWC 12 Litre Aquasystem Potable Expansion Vessel Pre Set 3 Bar With Bracket - XVES050045

Introducing our Stainless Steel Expansion Vessel for potable water applications, the Reliance Valves Aquasystem Replaceable Membrane Potable Water Expansion Vessel. This expertly designed vessel efficiently accommodates the additional load within a water system as the water heats and expands. Crucially, it helps maintain safe operating levels by preventing pressure build-up in both sealed heating systems and cold water systems. Featuring a replaceable membrane, the vessel safeguards the water from corrosion and contamination, ensuring it remains safe for human consumption. The replaceable membrane also allows for straightforward servicing without the need for removal, enabling quick and efficient maintenance in situ.

Features and Benefits:

  • Durable stainless steel bolted flange that resists corrosion
  • Extra-wide membrane opening to minimise noise from restricted flow
  • Internal membrane ensures no water contacts the steel shell, preventing internal corrosion
  • Available in a wide range of sizes from 2 to 5000 litres, catering to all applications
  • All models come with a replaceable membrane for easy servicing without removal
  • Pre-charge valve for convenient air pressure adjustment
  • Designed for use with hot and cold water only

Specifications:

  • Capacity: 12 Litres
  • Colour: White
  • Pre-Set Pressure (Bar): 3
  • Maximum Pressure (Bar): 10.0
  • Minimum Temperature: -10°C
  • Maximum Temperature: 99°C
  • Height: 295mm
  • Diameter: 280mm
  • Water Connection: 3/4" MBSP
  • Miscellaneous: Supplied complete with wall bracket accessories
  • Product Code: XVES050045

Materials:

  • Shell: Epoxy Coated Shell
  • Membrane: EPDM
  • Bolted Flange: Stainless Steel

Standards and Approvals:

  • WRAS approved for up to 1000 litres
  • CE marked in accordance with Directive PED 97/23/CE
  • TUV Certified
  • Materials for 1000 - 5000 litre models comply with BS 6920
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.