Niezgodka Type 81 Sustaining Valve

Features & Benefits: High-quality bronze body with integral seating surfaces, inside screw pattern with non-rising stem. Kitemarked to BS EN 12288 and WRAS approved for potable water (1/2"–2") up to 85ºC.

Specification: Kitemarked BS EN 12288:2010, WRAS approved, FOCS 4PMV threaded bonnet, one-piece wedge, taper threaded BS EN 10226 (NPT optional 1/2"–4"), lockshield available up to 2".

Pressure/Temperature Rating: BS EN 12288 PN20 Series B, 9 bar at 180ºC, 20 bar from -10 to 100ºC.

The Resideo Shut-Off Two-Way Linear Valve (DI & DE) is a single-seated control or shut-off two-way linear valve designed for hot water, chilled water, and saturated steam (in valves featuring a stainless steel plug), as well as superheated steam (in valves equipped with a stainless steel plug). This valve is ideal for use in heating, ventilation, and air conditioning systems and open circuit applications. It is operated by electric linear actuators from the ML64... and ML74… series.

SPECIAL FEATURES

• Brass body with external threaded end connections (type DE)
• Brass body with internal threaded end connections (type DI)
• Low seat leakage rate
• Self-adjusting packing
• Precise positioning for optimal temperature control
• Consistent total flow throughout the entire plug travel

Product Codes:

DE15B0.63, DE15B1.0, DE15B1.6, DE15B2.5, DE15B4.0, DE20B6.3, DE25B10, DE32B16, DE40B25, DE50B40

DI15B0.63, DI15B0.63SS, DI15B1.0, DI15B1.0SS, DI15B1.6, DI15B1.6SS, DI15B2.5, DI15B2.5SS, DI15B4.0, DI15B4.0SS,

DI20B6.3, DI20B6.3SS, DI25B10, DI25B10SS, DI32B16, DI32B16SS, DI40B25, DI40B25SS, DI50B40, DI50B40SS

Enhance your HVAC system's performance with the Resideo Shut-Off Two-Way Linear Valve, featuring unmatched precision and reliability. Ideal for residential and commercial applications, this innovative valve guarantees effective temperature management, low leakage, and consistent flow, making it the perfect choice for all your heating and cooling needs.

Our Anti-Legionella Valve is designed to mitigate the risk of Legionella bacteria contaminating stored cold water within an expansion vessel.

Explore our extensive range of compatible Expansion Vessels for optimal performance with this valve.

Specifications

• Size: 1/2" Connections: BSP Female
• Drain Plug Size: 1/4"
• Medium: Cold water only
• Minimum Working Pressure: 0.1 Barg
• Maximum Working Pressure: 10 Barg
• Minimum Temperature: 6°C
• Maximum Temperature: 30°C
• Product Code: ANTI110001
• Notes: WRAS approved, NSF REG 4 approved, and tested in accordance with DIN EN4807.

The Reliance Valve's Anti-Legionella Valve is specifically engineered to safeguard against harmful bacteria like Legionella by ensuring continuous water circulation and eliminating stagnation in stored cold water within expansion vessels. Available in a variety of sizes, this valve is suitable for applications ranging from point-of-use water heater expansion vessels to larger plant room storage tanks. By converting a standard single connection expansion vessel into a ‘flow-through’ type, the Anti-Legionella Valve diverts part of the flow into the vessel, thereby continuously renewing the water and reducing the likelihood of stagnation that can lead to bacterial growth.

Features and Benefits:

• Keeps water circulating through the expansion vessel
• Prevents water stagnation
• Simple installation process
• Integrated ball valve and drain valve for hassle-free servicing and maintenance
• Compatible with any standard vessel featuring 1/2", 3/4", 1" or 1 1/4" connections
• Designed exclusively for cold water applications
• Only suitable for use with copper piping
• Anti-Legionella models ANTI110003 and ANTI110004 include a locking mechanism