Provide long-lasting, safe, secure joints without the need for flames or flux on site. Suitable for drinking water, hot and cold water and central heating. WRAS, DVGW and KIWA Approved. Use with copper or plastic pipe. Tamper-resistant, but demountable. Suitable for copper tube to EN 1057: 1996. Also suitable for PE-X and PB pipe, with appropriate pipe liner. Maximum working pressure 16 bar.