8
Section II – Introduction
2.0 Continued
Within each type, the PIG-SIG V indicator is available
in a number of variations, including such options as
O-ring material and material used in pl
ug
c
onstruction. A number of extension lengths up to 1
0
f
eet are available to elevate the indicator.
The PIG-SIG V indicator can be installed on a line
under pressure, without taking the line out of service,
using the TDW T-101, T-101a or T-101b (or XL
versions) drilling machine.
2.1 Specifications
A. THREAD-O-RING Nipple (Figure 2.1). For
material specifications and pressure-temperatur
e
r
atings, refer to Table 4 and Table 5.
Figure 2.1 THREAD-O-RING Nipple