The NABIC 542 spares kit contains a new diaphragm and 'O' rings which replaces all of the soft goods in the valve. The kit is suitable for all of the valves based around the 542 valve body i.e. 542F, 542L.
For any of your NABIC valve enquiries please contact us on +44 (0)1482 601030 or email sales@nabicvalvesonline.co.uk.