Posts tagged ‘materials’

Acoustic Insulation

July 25th, 2011

Polypropylene fittings are indispensable for changing the direction of piping, as bend PPR-pipes are not allowed. ppr pipes are connected by polypropylene fitting method of contact thermal welding or by using the combined fitting with metal thread inserts. The advantage of the second option is that the combined polypropylene fittings can receive detachable connections. For […]