
NPT Hex Plug
Technical features
- NPT Threaded Ends
- Working Pressure: 150lbs (psi) / 10bar
- Working Temperature: 250°C at 10bar
- Investment lost wax casting manufactured to ISO 9001 : 2015
- NPT thread conforms with ASME B1.20.1
- Threads are Tapered NPT
- Hollow Centre
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Sizes & specifications
9 reference variants · dimensions as published
| Code | Inch Size | Metric Size | Grade | A | B | Quantity | Enquiry |
|---|---|---|---|---|---|---|---|
| NPTHP06 | 1/8" | 6NB | 316 | 12.9 | 15.9 | ||
| NPTHP08 | 1/4" | 8NB | 316 | 15.9 | 18 | ||
| NPTHP10 | 3/8" | 10NB | 316 | 19.8 | 19.3 | ||
| NPTHP15 | 1/2" | 15NB | 316 | 22.9 | 21 | ||
| NPTHP20 | 3/4" | 20NB | 316 | 27.8 | 23.8 | ||
| NPTHP25 | 1" | 25NB | 316 | 34 | 24 | ||
| NPTHP32 | 1 1/4" | 32NB | 316 | 44.8 | 30.2 | ||
| NPTHP40 | 1 1/2" | 40NB | 316 | 49.8 | 31 | ||
| NPTHP50 | 2" | 50NB | 316 | 61.5 | 32.5 |




