1, Applied specification: API Spec 5B;
2, Material: bearing steel that is hardened to Rockwell C60-63;
3, Guaranteed quality: We have been manufacturing API gauges since 1970s. Our gauges have been field-tested by over 800 customers in 35 countries;
4, 3rd-party calibration: All our working gauges are calibrated and certified with certified API reference master gauges by a national-level 3rd-party calibration center which is accredited to ISO/IEC 17025:2005.
When ordering, please specify the following information:
1, Types & sizes of connections;
2, Master gauges or working gauges;
3, Ring or plug, or set;
4, Right hand or left hand.
UPSET TUBING (EUE/UPTBG) | ||||
---|---|---|---|---|
SIZE | T.P.I. | T.P.F. | PITCH DIAMETER | STANDOFF TOLERANCE |
1.660 | 10 | 1:16 | 44.470 | 7.620±0.635 |
1.900 | 51.614 | |||
2-3/8 | 8 | 63.697 | 9.525±0.635 | |
2-7/8 | 76.397 | |||
3-1/2 | 93.064 | |||
4 | 105.764 | |||
4-1/2 | 118.464 |