FYOU PMEC provides BUTTRESS CASING MASTER GAGES and reference master gages per API Specification 5B for sizes from 4-1/2 to 20 inches in diameter. All working gages are manufactured and certified using a certified API reference master gage as required by the standard.
| BUTTRESS CASING WORKING/MASTER/TAPER GAGES | |||||
| SIZE | Outer Dia. | T.P.I | T.P.F | TAPER | ANGLE |
| 4 1/2 BCSG/BTC | 114.3 | 5 | 3/4 | 1:16 | 3°,10° |
| 5 BCSG/BTC | 127 | 5 | 3/4 | ||
| 5 1/2 BCSG/BTC | 139.7 | 5 | 3/4 | ||
| 6 5/8 BCSG/BTC | 168.28 | 5 | 3/4 | ||
| 7 BCSG/BTC | 177.8 | 5 | 3/4 | ||
| 7 5/8 BCSG/BTC | 193.68 | 5 | 3/4 | ||
| 8 5/8 BCSG/BTC | 219.08 | 5 | 3/4 | ||
| 9 5/8 BCSG/BTC | 244.48 | 5 | 3/4 | ||
| 10 3/4 BCSG/BTC | 273.05 | 5 | 3/4 | ||
| 11 3/4 BCSG/BTC | 298.45 | 5 | 3/4 | ||
| 13 3/8 BCSG/BTC | 339.73 | 5 | 3/4 | ||
| 16 BCSG/BTC | 406.4 | 5 | 1 | 1:12 | |
| 18 5/8 BCSG/BTC | 473.08 | 5 | 1 | ||
| 20 BCSG/BTC | 508 | 5 | 1 | ||
Instructions:
1）Implementation of standards：API SPEC 5B：2017
2）Material: GCr15， Measuring surface hardness 60-63HRC;
3）Comes with the calibration certificates issued by NIM(National institute of Metrology, China),which can be tracealbe to NIM.
How to order?
For example:
Pls mark : Master Gauges:4 1/2 BCSG RING&PLUG, or4 1/2 BCSG BOX&PIN,
and E-mail to:sales@fyougauges.com