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

Introducing the Pister BK3 Carbon Steel 3-Way High-Pressure Ball Valve, expertly designed for superior performance and durability. This robust valve features a carbon steel ball and stem, POM seats, and an NBR seal, ensuring optimal sealing and reliability under high pressure. Paired with the Valbia 85 series ISO direct mount quarter-turn electric actuator, this product offers a techno-polymer housing with IP67 protection for enhanced durability in various environments. The actuator is equipped with a manual override and visual position indication for added convenience. It includes two limit switches for remote indication of open and closed positions, alongside an electronic torque limiter for precise control. To prevent condensation, the internal anti-condensation heater ensures exceptional reliability, while PG11 electrical connections simplify installation. Our mild steel mounting kit and drive adaptor are included for straightforward fitting. All components are fully assembled and rigorously function tested for guaranteed performance. **Size Range**: Available in 1/8” to 2” **Valve Options**: Choice of stainless steel body and trim. **Port Options**: L-port or T-port configurations. **Operating Voltages**: Options available at 12 Volt AC/DC, 24 Volt AC/DC, and 110/240 Volt AC. For actuator choices, we offer: - On/Off (Fail Fixed) - On/Off with Battery Back-Up (Fail Close or Fail Open) - Positioner with 4 to 20 mA and 0 to 10 Volt DC signal - Battery Back-Up and Positioner (as previously detailed) Alternatively, consider the Valbia 86 series actuator, featuring an aluminium enclosure with all options outlined above. Enhance your system’s efficiency and reliability by choosing the Pister BK3 Carbon Steel 3-Way High-Pressure Ball Valve today!

Auld Valves Ltd has ceased trading. Please contact us to explore alternative options available in our product range. 

The Auld Vigilant Safety Valve features a blowdown characteristic ranging from 5% to 10%. It boasts a fully enclosed flow design with an external spring that remains unaffected by the process fluid or temperature. A soft face version is also available. This valve complies with normal lift designs according to BS759 and BS1500 standards. It achieves rated flow within 10% overpressure, ensuring optimal performance. With a robust construction and fully guided design, it minimises deformation and leakage, incorporating stainless steel trim for enhanced durability. Assembled from standardised components, this valve allows for easy maintenance. The springs conform to BS1726 class A specifications, providing a clean opening, stable performance, and reliable positive closing.