2
1 Geberit HDPE and Geberit Silent-db20 systems – general information 4
1.1 Geberit HDPE overview
4
1.2 Geberit Silent-db20 overview
5
1.3 Features and benefits of Geberit drainage systems
6
1.4 Pipe specification Geberit HDPE
10
1.5 Pipe specification Geberit Silent-db20
11
2 Characteristics and chemical resistance
12
2.1
Chemical resistance – The significance of pH values
12
3 Geberit Silent-db20 systems – acoustics
13
3
Best practice for acoustics
13
3.1 Additional acoustic products
14
4 Jointing methods
16
4.1 Butt welding
17
4.1.1 Butt welding by hand
18
4.1.2 Butt welding by machine
19
4.2 Electrofusion coupling
20
4.2.1 Electrofusion coupling (for pipes ø 40 to 160mm)
21
4.2.2 Electrofusion coupling (for pipes ø 200 to 315mm)
22
4.2.3 Conversion to a slip coupling
23
4.3 Ring-seal sockets
24
4.4 Expansion fittings for Geberit HDPE
24
4.5 Flanged joint
25
4.6 Screw-threaded joints
26
4.6.1 Screw-threaded joint with flange bushing
26
4.7 Jointing for Geberit Silent-db20
27
4.8 Expansion fittings for Geberit Silent-db20
27
4.9 Jointing Geberit drainage systems to other materials using adapters
29
Drainage Systems Installation
G
ui
de
Contents
