Reliance RWC 4000 Litre Aquasystem Potable Expansion Vessel Pre Set 4 Bar - XVES050210

The Hattersley Fig 776 ½" PN10 Automatic Air Vent C/W Shut-Off removes potentially dangerous trapped air, simplifying venting for single or multi-boiler and calorifier systems, saving time and costs. WRAS approved for closed circuits; shut-off option available.

Features & Benefits: Removes trapped air, simplifies venting, saves time/costs, WRAS approved, optional shut-off valve, conforms to BS EN 1074-4.

Specification: Brass body & cover, polypropylene float, EPDM seals, BSP parallel thread, shut-off option for ½".

Pressure/Temperature Rating: 10 bar at 110°C.

**Stainless Steel Expansion Vessel for Potable Water Applications** Introducing the Reliance Valves Aquasystem Replaceable Membrane Potable Water Expansion Vessel, expertly designed for use in potable water systems. This high-quality stainless steel vessel effectively manages the additional load created when water heats and expands, ensuring optimal performance and safety within both heating and cold-water systems. By preventing excessive pressure build-up, our expansion vessels safeguard your system’s integrity and longevity. Equipped with a replaceable membrane, this expansion vessel prevents water from coming into contact with the metal shell, thereby eliminating the risk of corrosion and contamination. This feature guarantees that the water remains safe for human consumption. Furthermore, the replaceable membrane allows for straightforward servicing without the need to remove the vessel, enabling quick and efficient on-site maintenance. **Features and Benefits:** - **Corrosion-Resistant Design:** The stainless steel bolted flange enhances durability and prevents corrosion. - **Reduced Noise Levels:** The extra-wide membrane opening significantly minimizes noise caused by restricted flow. - **Internal Protection:** The internal membrane prevents any contact between water and the steel shell, effectively stopping internal corrosion. - **Extensive Capacity Range:** Available in sizes from 2 to 5000 litres to accommodate all application requirements. - **Service-Friendly:** All models come with a replaceable membrane for convenient servicing without removal. - **Pre-Charge Valve:** Allows for easy topping up of air pressure. - **Hot and Cold Water Compatibility:** Suitable for use with hot and cold water only. **Specifications:** - **Capacity:** 750 Litres - **Colour:** Red - **Pre-Set Pressure (Bar):** 4 - **Max Pressure (Bar):** 10.0 - **Minimum Temperature:** -10°C - **Maximum Temperature:** 99°C - **Height:** 1820mm - **Diameter:** 800mm - **Water Connection:** 2" MBSP - **Product Code:** XVES050160 **Materials:** - **Shell:** Epoxy Coated Steel - **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 - All models from 1000 to 5000 litres comply with BS 6920 Ensure the reliability and safety of your water system with our high-performance stainless steel expansion vessel. Perfect for both commercial and domestic applications, it's an essential component for maintaining stable water pressure and quality.

The NABIC 500 High Lift Safety Valve is expertly engineered for use in unvented hot water heating systems, offering exceptional emergency steam relief capabilities. With its high capacity and durable PTFE seating, this valve is also well-suited for applications involving steam, air, and inert gases. For scenarios that demand enhanced seal tightness, we offer a PTFE to Viton seating design. Additionally, NABIC Valves come with an industry-leading 5-Year Guarantee, ensuring reliability and peace of mind.

Specifications:

Sizes Available:

• 1/2" x 3/4" (DN15)
• 3/4" x 1" (DN20)
• 1" x 1.1/4" (DN25)
• 1.1/4" x 1.1/2" (DN32)
• 1.1/2" x 2" (DN40)
• 2" x 2.1/2" (DN50)
• 2.1/2" x 3" (DN65)

Connections: Female BSPP Inlet x Female BSPP Outlet
Materials: Gunmetal Body, PTFE Seat
Set Pressure: 1.0 to 12.5 Barg (DN15 to DN25); 0.4 to 12.5 Barg (DN32 to DN65)
Temperature Range: -20 °C to 195 °C max

Note: All valves are set and tested to your specified set pressure prior to shipping.