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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Other Products and Services from Flowstar (UK) Ltd

Hattersley Fig 822 PN16 Strainer

Hattersley Fig 822 PN16 Strainer

**Features & Benefits** - Effectively safeguards the system by capturing foreign particles - Includes a drain plug as standard within the cap - Constructed with a durable stainless steel screen - Options for test points available to facilitate system diagnostics - ANSI versions offered, including Class 125 Fig. 822ANSI, Fig. 922ANSI, Fig. 810ANSI, and Fig. 910ANSI **Specifications** - Robust bolted cover - Figures 910 and 922 come complete with two Figure 631 test points - Flanges designed to BS EN 1092-2 PN16 or ANSI B16.1 Class 125 **Pressure/Temperature Ratings** - Operates at 13 Barg up to 220ºC - Supports 16 Barg from -10 to 120ºC - Please note: Figure 910 has a maximum temperature limitation of 135ºC Discover the ideal solution to your system protection needs with our expertly designed stainless steel screens and robust flanges, ensuring optimal performance and reliability.
Reliance RWC 18 Litre Aquasystem Potable Expansion Vessel Pre Set 3 Bar - XVES050050

Reliance RWC 18 Litre Aquasystem Potable Expansion Vessel Pre Set 3 Bar - XVES050050

**Stainless Steel Expansion Vessel for Potable Water Applications** Introducing the Reliance Valves Aquasystem Replaceable Membrane Potable Water Expansion Vessel, expertly designed to accommodate the additional load within your water system as water heats up and expands. Our stainless steel vessels play a crucial role in maintaining safe operational levels by effectively preventing pressure build-up in both sealed heating and cold water systems. At the heart of our expansion vessels is a replaceable membrane that safeguards against corrosion and contamination, ensuring that the water remains safe for human consumption. This innovative design allows for straightforward servicing without the need to dismantle the vessel, enabling quick and efficient maintenance in situ. **Features and Benefits:** - **Corrosion Resistant Design:** The stainless steel bolted flange provides enhanced protection against corrosion, ensuring longevity. - **Reduced Noise Levels:** An extra-wide membrane opening helps to minimise noise caused by restricted flow. - **Internal Protection:** The internal membrane keeps water from contacting the steel shell, preventing any risk of internal corrosion. - **Versatile Capacities:** Our range extends from 2 to 5000 litres, catering to all application requirements. - **Easy Maintenance:** Each version is fitted with a replaceable membrane, allowing for maintenance without the need for vessel removal. - **Convenient Pre-Charge Valve:** Easily top up air pressure with the built-in pre-charge valve. - **Hot and Cold Water Compatibility:** Suitable for both hot and cold water systems. **Specifications:** - **Capacity:** 18 Litres - **Colour:** White - **Pre-Set Pressure:** 3 Bar - **Maximum Pressure:** 10.0 Bar - **Minimum Temperature:** -10°C - **Maximum Temperature:** 99°C - **Height:** 430mm - **Diameter:** 280mm - **Water Connection:** 3/4” MBSP - **Product Code:** XVES050050 **Materials:** - **Shell:** Epoxy Coated - **Membrane:** EPDM - **Bolted Flange:** Stainless Steel **Standards and Approvals:** - WRAS Approved up to 1000 litres - CE Marked according to Directive PED 97/23/CE - TUV Certified - Models ranging from 1000 to 5000 litres comply with BS 6920 Ensure the safety and reliability of your water systems with the Reliance Valves Aquasystem Replaceable Membrane Potable Water Expansion Vessel. Perfect for domestic and commercial applications alike.
CONCOA 203 Series Regulator

CONCOA 203 Series Regulator

The CONCOA 203 Series is a chrome-plated forged brass, single-stage regulator designed for low-pressure delivery of non-corrosive, liquefied, or high-purity inert gases (up to grade 4.5). It provides precise final pressure control from low inlet pressures, with adjustable delivery as low as 0.1 PSIG (7 mBAR) in 0.05 PSIG (4 mBAR) increments, ideal for applications requiring atmospheric or sub-5 PSIG (350 mBAR) outputs.

Features:

  • Fine-adjusting screw for precise pressure control

  • 316L stainless steel diaphragm prevents inboard diffusion

  • CAPSULE® seat design with 360° integral filtration

  • Helium leak-tested for integrity

Specifications:

  • Max inlet pressure: 200 PSIG (14 BAR)

  • Body: Chrome-plated forged brass; Bonnet: Chrome-plated die-cast zinc

  • Gauges: 2½" (63 mm) steel with brass connections

  • Seat: PTFE; Filter: 10-micron sintered bronze

  • Temperature range: -40°F to 140°F (-40°C to 60°C)

  • Cv: 0.02; Diaphragm: 316L stainless steel

  • Helium leak integrity: 1 × 10⁻⁸ scc/sec

  • Internal seals: PTFE; Ports: 1/4" FNPT

  • Compliance: Meets/exceeds CGA G-4.1, PED 2014/68/EU, ANSI/ASME B40.1, CRN OH5216

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.