NPT Thread Gauges
NPT THREADS are used in general purpose application of pipe assembly, where a pressure tight joint of pipes is made, by making the pipes wrench tight using a sealing compound.
Specification:
ANSI/ ASME B1.20.1 : 1983 for Basic Type Gauges & American Handbook H-28 Part II : 1957 for Step Limit type.
Manufacturing Range :
Thread Plugs, Thread Rings, Check Plugs & Wear Check Plugs of Diameter from 1/16" to 12" in both Basic & Step Limit Design.
| DIA IN INCH | TPI | Type of Thread Gauges used | |||
| 1/1, 6, 1/8 | 27 | Taper Plug Gauges, L1 Basic L1 Step Limit |
Plain Taper Plugs to check Taper Bore / Minor Diameter of Internal Threads. |
Taper Ring Gauges L1 Basic L1 Step Limit |
Master Plug/ Check Plugs/ Wear Check Plugs to check Ring Gauges. |
| ¼, 3/8 | 18 | ||||
| ½, ¾ | 14 | ||||
| 1, 1.1/4, 1.1/2, 2 | 11.5 | ||||
2.1/2, 3, 3.1/2,4
4, 5, 6, 8,10,12 |
8 | ||||
| Rings Diameter above 8" are not in Mfg. Range | |||||
NPT L2 gauges to check threads beyond L1 limit, i.e. up to L2 length for wrench fit, can be supplied on request.
- S. No. 36/1/1, Wadgaon Khurd,
Behind Hotel Green Field,
Sinhagad Road, Pune - 411041,
M.S., India - +91-20-24392576
- Customer Helpline (M) +91 9822141869
