API SPEC 7-2 (N.C.) NUMBERED CONNECTIONS WORKING GAUGES
FYOU PMEC provides Numbered Connections (N.C.) working, reference and regional master gages per API specification 7-2 for sizes from 2 to 6-5/8 inches in diameter. All working gages are manufactured and certified using a certified API reference master gage as required by the standard
| NUMBERED CONNECTIONS (N.C.) WORKING/MASTER/TAPER GAGES | |||||
| SIZE | T.P.I | T.P.F | THD FORM | TAPER | ANGLE |
| NC10 | 6 | 1-1/2 | V-0.055R | 1:8 | 60° |
| NC12 | 6 | 1-1/2 | V-0.055R | 1:8 | |
| NC13 | 6 | 1-1/2 | V-0.055R | 1:8 | |
| NC16 | 6 | 1-1/2 | V-0.055R | 1:8 | |
| NC23 | 4 | 2 | V-0.38R | 1:6 | |
| NC26(2 3/8IF) | 4 | 2 | V-0.38R(V-0.065) | 1:6 | |
| NC31(2 7/8IF) | 4 | 2 | V-0.38R(V-0.065) | 1:6 | |
| NC35 | 4 | 2 | V-0.38R | 1:6 | |
| NC38(3 1/2IF) | 4 | 2 | V-0.38R(V-0.065) | 1:6 | |
| NC40(4FH) | 4 | 2 | V-0.38R(V-0.065) | 1:6 | |
| NC44 | 4 | 2 | V-0.38R(V-0.065) | 1:6 | |
| NC46(4 IF) | 4 | 2 | V-0.38R(V-0.065) | 1:6 | |
| NC50(4 1/2IF) (5 X.H) | 4 | 2 | V-0.38R | 1:6 | |
| NC56 | 4 | 3 | V-0.38R | 1:4 | |
| NC61 | 4 | 3 | V-0.38R | 1:4 | |
| NC70 | 4 | 3 | V-0.38R | 1:4 | |
| NC77 | 4 | 3 | V-0.38R | 1:4 | |
Instructions:
1）Implementation of standards：API SPEC7-2：2017
2）Material: GCr15， Measuring surface hardness 60-63HRC;
3）Comes with the calibration certificates ,which can be tracealbe to NIM or NIST, Availiable for Audit.
How to order?
For example:
Pls mark : Working Gauges:4 1/2 BCSG RING&PLUG, or4 1/2 BCSG BOX&PIN,
and E-mail to: sales@fyougauges.com