Regular Rotary

Northern gauge manufactures API Regular Rotary working, reference and regional master gages per API Specification 7-2 for sizes from 1 to 8-5/8 inches in diameter. All working gages are manufactured and certified using a certified API reference master gage as required by the standard.

 

REGULAR ROTARY
SIZE T.P.I. T.P.F. THD FORM
1 6 1.5 V-0.055
1-1/4 7 2 V-0.020
1-1/2 6 1.5 V-0.055
2-3/8 5 3 V-0.040
2-7/8 5 3 V-0.040
3-1/2 5 3 V-0.040
4-1/2 5 3 V-0.040
5-1/2 4 3 V-0.050
6-5/8 4 2 V-0.050
7-5/8 4 3 V-0.050
8-5/8 4 3 V-0.050

CONTACT POINTS

Northern Gauge manufactures all sizes of contact points with a tungsten carbide ball  #4 40 UN thread.  Contact sales for your application.

ARTIFICAL LIFT GAUGES

Rotor Micrometer with a full 2 inch travel micrometer head.  Base length 6 to 18 inches
·Rotor lobe Height Gauge

R RTJ & BX PROFILE GAGES

Northern gauge makes an assortment of gages to dimensionally control the ring groove.
·        BX 1000 Groove Diameter Gage.
·        Groove Diameter master
·        Ring Groove Profile Gage

NPSM ANSI/ASME B1.20.1 – STRAIGHT PIPE THREAD GAUGES

Northern Gauge manufactures NPSM plug and ring gauges these are often used for special applications where there are no internal pressures and, consequently , not sealing requirements.  These gauges are made in accordance with standard practices for straight thread gauges as outlined in ANSI/ASME B1.2 fit.

RENTAL API 5B & API 7-2

Northern Gauge rents API gages with complete traceability to API reference masters. Rent by the day or week.

API 6A VR

Northern Gauge manufactures API 6A VR plug gages 1-13/16”, 2-1/16”, 2-9/16”, 3-1/8”, 4-1/16”. Northern Gauge also provides BPV thread plug and ring gages in all sizes from 1-1/4” 4 TPI 90 degree LH to 6-5/16” 2 TPI 90 degree LH. All working gages are manufactured in full compliance to applicable specifications and fully traceable through our ISO 17025 accredited quality program.