Reliance RWC 200 Litre Heating Expansion Vessel Tank with Replaceable Membrane Pre Set 1.5 Bar - XVES100120

### Stainless Steel Expansion Vessel for Heating Applications Introducing the Reliance Valves Aquasystem Heating Expansion Vessels, expertly designed for heating applications. Available in capacities ranging from 2 litres to 5000 litres, these vessels can handle maximum pressures between 8.0 and 10.0 bar. Crafted with replaceable membranes, the Aquasystem range allows for efficient in-situ servicing, eliminating water contact with the steel expansion vessel shell to minimise internal corrosion and enhance longevity. #### Features and Benefits - **Corrosion-Resistant Design**: The stainless steel bolted flange ensures maximum protection against corrosion. - **Noise Reduction**: An extra-wide membrane opening effectively mitigates noise caused by restricted flow. - **Internal Membrane Protection**: The vessel's internal membrane prevents water contact with the steel shell, halting internal corrosion and extending lifespan. - **Versatile Capacity Range**: Available in sizes from 2 to 5000 litres, suitable for various applications. - **Serviceability**: All models come with a replaceable membrane, allowing the vessel to be serviced on-site without removal. - **Convenient Pre-charge Valve**: Easily top up air pressure as needed. - **Heating Applications Only**: Specifically designed for use in heating systems. #### Specifications - **Capacity**: 200 Litres - **Colour**: Red - **Pre-Set Pressure (Bar)**: 1.5 - **Maximum Pressure (Bar)**: Up to 500 Litres – 8.0 bar / 750 Litres and above – 10.0 bar - **Minimum Temperature**: -10°C - **Maximum Temperature**: 99°C - **Height**: 1085mm - **Diameter**: 600mm - **Water Connection**: 1" MBSP #### Materials - **Shell**: Epoxy Coated Steel - **Membrane**: EPDM (Ethylene Propylene Diene Monomer) - **Bolted Flange**: Galvanised Steel #### Standards and Approvals - CE marked in accordance with Directive PED 97/23/EC - TÜV Certified Enhance your heating system with our reliable and durable stainless steel expansion vessels from the Reliance Valves Aquasystem range. Ideal for professionals looking for high-quality solutions combined with ease of maintenance.

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Hattersley FIG 4925 PN25 Butterfly Valve - Lever Operated

Features & Benefits: Durable ductile iron body with stainless steel disc, fully lugged for secure installation, rated PN25, suitable for -10°C to 120°C. Lever (4925) and gearbox (4925G) options, extended size range, and bi-directional dead-end service at 25 bar without downstream backing flanges.

Specification: For Group 2 liquids; flanges BS EN1092-2; face-to-face BS EN558; designed to BS EN593:2009; tested per BS EN12266-1; ISO5211-2001 mounting flange.

Pressure/Temperature Rating: 25 bar, -10°C to 120°C.

Bailey 707EL Safety Relief Valve Male x Female (EDPM Disc with Lever – Suitable for Water & Gas Service (not Air))

**Kunkle Bailey 707EL Safety Relief Valve (Male x Female)** Introducing the Kunkle Bailey 707EL Safety Relief Valve, a premium solution featuring a top-guided design that enhances performance through an unobstructed seat bore and superior high-lift capability. This robust valve complies with BS EN 4126 Part 1 (BS6759 pts 1-3) and is expertly engineered for use with air and gases, steam and hot water (above 212°F/100°C), as well as a range of process liquids, depending on the selected model. We offer a tailored service where we will set and test the valve to meet your specific requirements. Upon request, we can provide a pressure test certificate to ensure compliance before dispatch. **Product Specifications:** - **Sizes Available:** 1/2" to 2" - **Connections:** BSP Male Inlet x BSP Female Outlet - **Materials:** Bronze body with Chrome Alloy spring - **Disc Material:** EPDM - **Compatible Mediums:** Air, gases, and liquids - **Set Pressure Range:** 0.35 to 24 Barg - **Temperature Range:** -20 to +95°C - **Additional Notes:** WRAS approved when equipped with an EPDM disc. This valve is also known as IMI Bailey Birkett valves, Kunkle Emerson valves, and Safety Systems UK valves. For a reliable and high-performance safety relief valve, choose the Kunkle Bailey 707EL — engineered to exceed industry standards and tailored to your specific needs.

NABIC 542 Safety Relief Valve

The NABIC 542 Safety Valve is a highly versatile valve, designed for use with hot water, steam, or air. Primarily engineered for the protection of hot water boilers, the NABIC 542's extensive range of applications makes it an excellent choice for a general-purpose safety valve. With an industry-leading 5-year guarantee, NABIC Valves ensure reliability and peace of mind for your safety needs.

Specification

Sizes: 1/2" (DN15), 3/4" (DN20), 1" (DN25), 1.1/4" (DN32), 1.1/2" (DN40), 2" (DN50), 2.1/2" (DN65), 3" (DN80)
Connections: Female BSPP Inlet x Female BSPP Outlet
Materials: Gunmetal Body, PTFE Seat
Set Pressure: 1.0 to 10.5 Barg (DN15 to DN25), 0.3 to 10.5 Barg (DN32 to DN80)
Temperature: -20°C to 195°C Max

Note: Our valves are set and tested to your required pressure prior to shipping, ensuring optimal performance upon installation.

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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.

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