TDW France-22-E-03-09
5
Section I: Introduction
1.0 Description
The POLYSTOPP
®
Tapping and Plugging
System is designed for use on 315 and 355 mm
polyethylene pipe.
The system is designed for use with TDW
Electrofusion Saddle Fittings. The fittings
permit access to a line to plug it while line work
is being performed.
The entire system includes equipment for
tapping into the line, plugging the main, and
installing a completion plug in the fitting in order
to remove the tapping valve. Some components
of the 315-355 mm system are shown in Figure
1.
Tapping
Plugging
Completion
Figure 1. POLYSTOPP
System big sizes
for PE Pipe 315-355 mm
This manual describes the procedures for using
this tapping, plugging and completion system to:
•
plug the main
line, keeping the line in
service.
•
to complete the job by setting a
completion plug, enabling removal of
all tapping/plugging equipment.
Содержание POLYSTOPP
Страница 2: ...TDW France 22 E 03 09 2...
Страница 26: ...TDW France 22 E 03 09 Figure 41 Lower Plugging Head...
Страница 40: ...TDW France 22 E 03 09 Figure 64 T 203 Tapping Machine Parts List 1...
Страница 43: ...TDW France 22 E 03 09 Figure 65 SHORTSTOPP II Dual Control Bar Assembly...
Страница 45: ...TDW France 22 E 03 09 Figure 66 SHORTSTOPP II Jack Assembly...
Страница 48: ...TDW France 22 E 03 09 Fig 67...
Страница 50: ...TDW France 22 E 03 09 TO BE ADDED UPON NEW DESIGN VALVE LAUNCHING Fig 68...