GAGEMAKER CA-9001 - Operating Procedures; Inspecting Coupling Parts

Coupling Alignment Gage Operation Manual
CA-9001
Copyright © 2016 Gagemaker. All rights reserved
3
Operating Procedures
Inspecting Parts
Materials Needed:
 Coupling Alignment Gage (CA-9001)
 Calipers

Contact points (3)

Paper clip or Piano Wire
 Marker
 Scale or Ruler
1. Use the table at right to determine which
contact points should be installed to inspect
the coupling.
IMPORTANT: API Specification 5B Section
5.1.35 requires proper contact points be used
during the inspection of coupling alignment.
Connection
Type
Threads
per Inch
(TPI)
Contact
Point
Diameter
(Inches)
Model
Numb
er
API Buttress
Casing – Taper
5
0.100
Truncated by
0.030
T062
API Tubing &
Casing
(8 Round)
8 0.072 T072
API Tubing
(10 Round)
10 0.057 T057
2. Rock the gage forward and seat the moveable
contact point into the thread. Use your index
finger to apply just enough pressure to
maintain the gage’s contact with the thread
flanks.