Valfonta PRV44 Steam Reducing Valve

Introducing our stainless steel expansion vessels designed specifically for heating applications. The Reliance Valves Aquasystem Heating Expansion Vessels are available in sizes ranging from 2 litres to an impressive 5000 litres, with maximum pressure ratings varying between 8.0 to 10.0 bar. Engineered with replaceable membranes, the Aquasystem range facilitates servicing on-site, eliminating water contact with the steel expansion vessel shell to combat internal corrosion and extend the unit's lifespan.

Features and Benefits:

• Stainless steel bolted flange for enhanced corrosion resistance
• Extra wide membrane opening to minimise noise caused by restricted flow
• Internal membrane design prevents water contact with the steel shell, eliminating internal corrosion
• Comprehensive capacity range from 2 to 5000 litres, suitable for all applications
• All models come equipped with a replaceable membrane for easy servicing without removal
• Pre-charge valve included for convenient air pressure topping up
• Designed exclusively for heating applications

Specifications:

• Capacity: 12 Litres
• Colour: Red
• Pre-Set Pressure: 1 Bar
• Maximum Pressure: Up to 500 Litres - 8.0 Bar / 750 Litres and above - 10.0 Bar
• Minimum Temperature: -10°C
• Maximum Temperature: 99°C
• Height: 295 mm
• Diameter: 280 mm
• Water Connection: 3/4" BSP Male
• Product Code: XVES100040

Materials:

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

Standards and Approvals: CE marked in compliance with Directive PED 97/23/CE - TÜV Certified

Upgrade your heating systems with the Reliance Valves Aquasystem Heating Expansion Vessel, combining durability, performance, and ease of maintenance for optimal efficiency.

Product Specifications

Sizes Available: 3/4", 1", 1.1/4", 1.1/2", 2" Connections: Screwed BSPP Materials: Stainless Steel (69.2) Disk Material: Viton Joints & Seals: Suitable for Liquids Set Pressure Range: 0.3 to 5.7 Barg (depending on size) Temperature Range: (69.2) -60 to +130°C, (69.3) -10 to +130°C Design Compliance: TUV Certified Important Note: The Brass variant (69.3) is no longer available.

Explore our high-quality pressure regulations solutions tailored for optimal performance across a range of applications. Our durable stainless steel construction ensures longevity, while the Viton disk material offers excellent chemical resistance. With precise set pressure settings and a comprehensive temperature range, these products are ideal for various liquid handling requirements.

### Product Specification **Sizes Available:** - 1/2" (DN15) - 3/4" (DN20) - 1" (DN25) - 1 1/4" (DN32) - 1 1/2" (DN40) - 2" (DN50) **Connections:** - Female BSP Inlet x Female BSP Outlet **Materials:** - Body and Bonnet: Stainless Steel - Disk: Regulating Piston made of Stainless Steel - Joints & Seals: FPM / FKM Seals **Medium Compatibility:** Suitable for aggressive water, other aggressive liquids, compressed air, nitrogen, and gases. Please note, it is not suitable for steam. **Inlet Pressure (Max):** 40 Barg **Outlet Pressure Range:** 2 to 20 Barg **Kvs Range:** 2.9 to 13 **Temperature Range:** Max temperature of 190 °C **Approvals:** PED 97/23/EC category I **Additional Notes:** For precise sizing, please utilise the sizing calculator available in the TECHNICAL INFO section located in the menu bar above. --- Optimise this description for search engines and ensure that potential customers can easily find essential information about our high-quality pressure regulating products.