817
The NABIC 500 high lift safety valve is ideal for unvented hot water heating systems needing high-capacity emergency steam relief. It is made from dezincification-resistant materials and is designed and tested to BS EN ISO 4126-1 standards. WRAS approved for 1 bar and above, it has a PTFE seating design for high seat tightness. The valve allows easy inspection and cleaning due to its diaphragm-protected parts and locked and sealed pressure seating. It features a drain plug and provides a high discharge capacity. Sized at 1 1/2'' x 2'', it is also available with a Viton seat design and a padlock for M&E3 compliance.. Nabic 1 1/2 inch 500 High Lift Safety Valve - 2.5 Bar Brass N-500-040-2.5