NABIC 500 High Lift Safety Valve Size:DN50 The 707 is certified to

The 707 is certified to BS EN 4126 Part 1 (BS6759 pt 1:2:3) and is suitable for duty on air/gas

This item is the equivalent of the Crane F629 Butterfly valve

- Internal membrane prevents any water contact with the steel shell

workmanship associated with all Hattersley products

parallel / taper threaded dependent of size

NABIC 500 High Lift Safety Valve Size:DN50 The 707 is certified toDescription This is a stock item. Order by 5pm Monday to Thursday and 4. 30pm Friday for same day despatch. The NABIC 500 High Lift Safety Valve has been designed primarily for use on unvented hot water heating systems, where a high capacity, emergency steam relief capability is required. The NABIC 500 has a high capacity and resilient PTFE seating, also make it ideal for steam, air and inert gas applications. A PTFE to Viton seating design is also