Altecnic / Caleffi 253 Solar Series Pressure Safety Relief Valve 1/2" x 3/4" F x F 6 Bar - 253046

The FSSUMSU Sealed Unit Rupture Discs feature a convenient threaded connector and comprise two parts that house a calibrated rupture disc. This rupture disc is meticulously inserted into a threaded and sealed container, making it easy to mount small discs within plants. Designed for reliability, these units simplify handling, eliminating the need for specialised personnel. FSSUMSU sealed units are adept at managing both gases and liquids, even in cyclical and pulsating conditions. They respond to over-pressure in mere milliseconds, offering essential protection for plants, plant equipment, and containers.

Specifications

Sizes: DN3 to 1.1/2" (DN40)

Materials: Stainless steel

Rupture Pressure: 20 - 1150 bar g (subject to material and diameter)

Tolerance: +/- 5% to +/- 10%

Temperature: Up to 480°C

Operating Margin: 80%

Vacuum Support: No

Fragmentation: Yes (available without fragmentation in a special execution)

Use under Valve: No

Corrosion Resistance: Very good

Container: Included for direct mounting

PED Certification (CE Mark): Available

To request your rupture disc, please download our Rupture Disc Request Form. Once completed, kindly send it to sales@flowstar.co.uk.

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.

**PREL102005 Reliance Water Controls (RWC) 102 Series Potable Water Pressure Relief Valve** The PREL102005 Reliance Water Controls (RWC) 102 Series Potable Water Pressure Relief Valve is designed to efficiently discharge water from the system at a predetermined pressure, safeguarding against cold water over-pressurisation in unvented cylinders. This essential safety device is engineered to protect unvented systems by preventing over-pressurisation. The valves are pre-set and secured to a specific pressure; should the system exceed this limit, the valve will lift from its seat, allowing water to discharge safely into the waste system. Crafted with a single-piece cartridge, the Reliance Valves 102 Series provides a variety of pressure settings, ranging from 3.5 to 8 bar, and offers multiple connection sizes for versatile installation options. **Features and Benefits:** - Quick and easy removal of the single-piece cartridge for maintenance or replacement - Innovative diaphragm design enhances resistance to scale build-up - Reliable protection against over-pressurisation - Versatile connections allow for flexible installation - Adjustable relief pressure range from 3.5 to 8 bar - Suitable exclusively for cold water applications **Specification:** - Size: 1/2" x 15mm - Connections: BSP Male Inlet x Compression Outlet - Materials: Hot-pressed DZR Brass - Medium: Cold water - Set Pressure: 6 Barg - Temperature: +140°C - Product Code: PREL102005 Upgrade your unvented system's safety with the PREL102005 Reliance Water Controls 102 Series Potable Water Pressure Relief Valve—ensuring peace of mind and compliance with UK safety standards.