Niezgodka Type 85 Sustaining Valve (Low Pressure)

### Features & Benefits - Ensures precise and accurate flow regulation. - User-friendly design with handwheel and numerical indicator. - Durable bronze construction for extended service life. - WRAS Approved for potable water usage up to 85°C. - Guarantees positive flow control across all handwheel settings. ### Specification - Kitemarked to BS 7350:1990. - Operated by handwheel for ease of use. - FOCS numerical indicator for accurate readings. - Inside screw non-rising handwheel for convenient operation. - Characterised regulating disc for enhanced performance. - Flow charts available to aid system design. - End connections are threaded for easy installation. - Available sizes include 1 to 2" taper threaded to BS EN 10266 (ISO 7-1), previously BS 21. - Sizes of 1/2" and 3/4" are compliant with ISO 228 parallel specifications. - DN15 and DN20 sizes suitable for use with compression fittings. - Adapters available for copper pipe in accordance with BS EN 1057 R250 (half hard). - Acclaimed as a WRAS Approved Product. ### Pressure/Temperature Rating **Threaded Ends** - BS 7350 PN20 - 17.2 bar at 120ºC - 20 bar at temperatures ranging from -10 to 100ºC **Compression Ends** - 5 bar at 120ºC - 6 bar at 110ºC - 10 bar at 65ºC - 16 bar for temperatures between -10 to 30ºC Optimise your fluid systems with our robust flow regulator, which combines precision, durability, and WRAS approval for peace of mind in potable water applications.

The Kunkle Bailey 716SSL Safety Relief Valve (featuring a metal disc with a lifting lever, ideal for steam and liquid applications) is designed to offer exceptional performance and safety. This safety relief valve integrates a top-guided, unobstructed seat bore with full lift capability, ensuring maximum discharge efficiency. Compliant with BS6759 Parts 1, 2, and 3, the Bailey 716 safety relief valve is perfectly suited for safeguarding vessels, pipelines, and equipment that utilise hot or cold water, air, steam, and various gases and liquids. **Specifications:** - **Sizes:** Available from 1/2" x 3/4" to 2" x 3" - **Connections:** BSP Female Inlet x BSP Female Outlet - **Materials:** Constructed with a bronze body and a chrome vanadium spring - **Disc:** Made from durable stainless steel - **Mediums:** Compatible with gases and liquids, including air, hot water, and steam - **Set Pressure:** Ranges from 0.35 to 32 Barg (depending on size) - **Temperature Range:** -29 to +220 degrees Celsius maximum **Additional Information:** This valve is also marketed under other names such as IMI Bailey Birkett valves, Kunkle Emerson valves, and Safety Systems UK valves. Optimise your safety and ensure reliable performance with the Kunkle Bailey 716SSL Safety Relief Valve, the ideal choice for a wide range of industrial applications.

The Altecnic / Caleffi 313 Relief Valve with Gauge (Product Code: 313560) is an essential component for domestic hot water systems and heating setups. Designed to safeguard hot water cylinders and boilers, this valve is tailored to ensure optimal safety by releasing excess pressure. Upon reaching the designated discharge pressure, the valve automatically opens, venting to the atmosphere and preventing hazardous pressure levels that could jeopardise the boiler, hot water storage cylinder, and nearby personnel. This model is supplied complete with a built-in pressure gauge for added convenience and monitoring.

Specifications

• Size: 3/4" x 3/4"
• Connections: BSP Female Inlet x BSP Female Outlet
• Materials: Brass
• Medium Compatibility: Air and Water
• Set Pressure: 6 Barg
• Discharge Flow Rate: 248.81 kg/hr
• Maximum Boiler Rating: 144.6 kW
• Operating Temperature Range: +5 to +110°C
• Product Code: 313560

Additional Information

• WRAS Approved
• CE Marked
• Pressure Gauge Included

Ensure the safety and efficiency of your heating systems with the Altecnic / Caleffi 313560 Relief Valve – the reliable choice for managing pressure in your domestic hot water applications.