API Master And Working Gauges

API Master And Working Gauges
API Specification 5B:

Identifying Terms

Abbreviations

Sizes available

Line Pipe Thread Gauges

LP

Size 1/8"-20D

Casing Round Thread Gauges

CSG

Size 4½"-20"

Buttress Casing Thread Gauges

BUTTRESS CSG

Size 4½"-20"

Non-Upset Tubing Thread Gauges

TBG

Size 1.050"-4½"

External-Upset Tubing Thread Gauges

UP TBG

Size 1.050"-4½"

Integral-Joint Tubing Thread Gauges

TBG

Size 1.315"-2.063"

External-Line Casing Thread and Seal Gauges

Ex.Li.Csg

Size 5"-10¾"

API Specification 7-2:

Identifying Terms

Abbreviations

Sizes available

 Rotary Shouldered Connections Number Style Gauges

NC

Size 23"-77"

Rotary Shouldered Connections Regular Style Gauges(Right or Left Hand)

REG

Size 1"-8⅝"

Rotary Shouldered Connections
Full-Hole Style Gauges

FH

Size 3½"-6⅝"

Rotary Shouldered Connections Internal-Flush Style Gauges

IF

Size 2⅜"-5½"


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