Reliance RWC 150 Litre Aquasystem Potable Expansion Vessel Pre Set 3.5 Bar - XVES050120

Reliance RWC 150 Litre Aquasystem Potable Expansion Vessel Pre Set 3.5 Bar - XVES050120

**Stainless Steel Expansion Vessel for Potable Water Applications** Introducing the Reliance Valves Aquasystem Replaceable Membrane Potable Water Expansion Vessel, expertly designed for managing excess pressure in both heating and cold water systems. This premium stainless steel vessel efficiently accommodates the additional load when water is heated and expands, ensuring the safety of your water system by preventing dangerous pressure build-up in sealed environments. Equipped with a replaceable membrane, this expansion vessel safeguards against corrosion and contamination, keeping your water safe for consumption. The innovative design allows for effortless servicing without the need for removal, enabling quick and hassle-free maintenance in situ. **Key Features and Benefits:** - **Corrosion-Resistant Design:** The bolted stainless steel flange offers exceptional durability against corrosion. - **Enhanced Flow Performance:** An extra-wide membrane opening reduces noise caused by flow restrictions. - **Internal Protection:** The internal membrane design keeps water separate from the steel shell, preventing internal corrosion. - **Comprehensive Capacity Range:** Available in sizes from 2 to 5000 litres to suit all applications perfectly. - **Easy Servicing:** All models come with a replaceable membrane for straightforward servicing without the need for removal. - **Pre-Charge Valve:** Conveniently topped up air pressure to maintain optimal performance. - **Compatibility:** Suitable for both hot and cold water systems only. **Specifications:** - **Capacity:** 150 Litres - **Colour:** Blue - **Pre-Set Pressure (Bar):** 3.5 - **Max Pressure (Bar):** 10.0 - **Minimum Temperature:** -10°C - **Maximum Temperature:** 99°C - **Height:** 975mm - **Diameter:** 550mm - **Water Connection:** 1" MBSP - **Product Code:** XVES050120 **Materials:** - **Shell:** Epoxy Coated Steel - **Membrane:** EPDM - **Bolted Flange:** Stainless Steel **Standards and Approvals:** - WRAS approved for capacities up to 1000 litres - CE marked in accordance with Directive PED 97/23/CE - TUV Certified - Materials for 1000 to 5000 litre models comply with BS 6920 Invest in reliability and safety with our stainless steel expansion vessel, designed specifically for potable water applications. Ensure the longevity and performance of your water system—choose the Reliance Valves Aquasystem today!
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Other Products and Services from Flowstar (UK) Ltd

Niezgodka Type 70 SKS Reducing Valve

Niezgodka Type 70 SKS Reducing Valve

**Product Specification** **Sizes Available:** 1/2", 3/4", 1", 1.1/4", 1.1/2", 2", 2.1/2", 3" **Connections:** - Tri-Clamp (ASME BPE or DIN 32676) - Male Union (DIN 11851 / 11864-1) - Varivent Flange (DIN 11864-2) - Flanged PN16 or ANSI 150 R/F - Screwed to ISO 228 **Materials:** - Stainless Steel 316L or 304 - Disk Options: EPDM, PTFE (FDA Approved), AF100, or Viton **Joints & Seals:** - Diaphragm: EPDM, PTFE (FDA Approved), AF100, or Viton **Medium Compatibility:** - Suitable for Steam, Gases, and Liquids **Inlet Pressure (Maximum):** - 100 Barg (depending on size) **Outlet Pressure Range:** - 0.25 to 52 Barg (depending on size) --- This expertly crafted product specification delivers precise details to meet various industrial needs. Available in multiple sizes and connection options, this product ensures compatibility across different systems. Constructed from high-quality stainless steel, with a choice of compliant materials for the disk and diaphragm, it guarantees durability and reliability in handling steam, gases, and liquids at varying pressure levels. Optimize your operations today with this essential component that meets the highest standards in the industry.
NABIC Pressure Test Certificate (FREE)

NABIC Pressure Test Certificate (FREE)

Test certificates for new NABIC valves are complimentary; however, we will only provide one if it is included with your order.

If you require a test certificate, please ensure to add this option to your purchase.

FSSCDF - Forward Acting Rupture Discs

FSSCDF - Forward Acting Rupture Discs

The FSSCDF Forward Acting Rupture Discs feature precision micro-scored sections that open in controlled petals, using four, six, or more radial score lines to ensure a clean, reliable opening while minimising the risk of petal separation. This design makes them particularly well suited for high burst pressure applications and for systems operating under cycling or pulsating conditions with gases or liquids, without compromising safety margins.

These discs respond to overpressure within milliseconds, opening fully without fragmentation, and are ideal for protecting safety relief valves. They support an operating-to-burst pressure ratio of up to 85%, offer excellent corrosion resistance, and can be further enhanced with an optional PTFE lining. In many applications, the discs can also withstand full vacuum conditions without additional supports, providing flexible installation options.

Key Specifications:

  • Sizes: 1" (DN25) to 36" (DN900)

  • Materials: Stainless steel, Alloy 201, 400, 600, 625, C276, Titanium

  • Burst Pressure Range: 2–413 bar g (30–6000 psi g), depending on size and material

  • Krl: 1.33

  • Tolerance: ±5% to ±20%

  • Operating Margin: Up to 85%

  • Temperature Range: –196°C to 600°C

  • Fragmentation: None – clean, petal opening

  • Use Under Valve: Yes

  • Corrosion Resistance: Very good

  • Linings: Optional

  • Holders: FSHI/A, FSHI/P, FSHI/F, FSHTC

  • Rupture Detection: Electrical, Magnetic, Inductive, Optical

  • Certifications: ASME (UD Stamp), PED (CE), ATEX EX II 2 GD

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.