Composition of fitting for multilayer - armoured pipe and dimensional characteristics:

The Armoured Male PE Elbow fitting is made up of the following components:

1 Body in brass CW617N, hot moulded

1 Ring-tightener ring nut in brass CW617N, hot moulded

1 Self-tightening conical ring in brass CW614N derived from bar

1 O-rings in nontoxic NBR 70 rubber. Compound suitable for contact with potable water approved: ACS No. 09 CLP LI 008 – TZW KTW D1 D2 of 19 Dec 2007 – NSF ANSI 61 N° IG770-01

1 Collar gasket in nontoxic NBR FDA rubber. Compound suitable for the requirements of Ministerial Decree No. 174 of 06 Apr 04 for contact with potable water lab certified. CERISIE RP 644/2012

The male threading of our fittings is conical, not cylindrical, in compliance with standard UNI ISO 7 which defines the dimensions, the conical grade and the length of conical threading. The conical threading clearly provides a greater seal guarantee compared to a cylindrical one. In fact, the major water distribution companies normal request this. Furthermore, there are small cuts on the crest of the thread, knurling, in order to guarantee that Teflon or other types of materials suitable for sealing the thread will have better grip.