Thread Profile Dimensions
| Property | mm | Inch |
|---|---|---|
| Nominal Pipe Size (Ø) | 2" | ... |
| Pitch (TPI) (P) | 11 | ... |
| Pitch (Distance) (P) | 2.309 | 0.0909 |
| Thread Tapper Angle (ß) | 1.79° | 1.79° |
| Thread V half Angle (α) | 27.5° | 27.5° |
| Height of sharp V (H) | 2.217 | 0.0873 |
| Thread height (h) | 1.479 | 0.0582 |
| Root/Crest Radius (r) | 0.733 | 0.0289 |
| Major Diameter (At gauge plane) (d) |
59.614 | 2.347 |
| Minor Diameter (At gauge plane) (d1) |
56.657 | 2.2306 |
| Pitch Diameter (At gauge plane) (d2) |
58.135 | 2.2888 |
| BSPT Series | External Tapared (R) |
| Matching Internal Tapered Thread | BSPT Rc 2 |
| Matching Internal Parallel Thread | BSPT Rp 2 |
| Relevant Standards | ISO 7-1, ISO 7-2 |
BSPT R 2 - Additional Dimensions
| mm | ||
|---|---|---|
| Gauge Length (Lg) | 15.9 | 0.626 |
| Lg Tolerance (T1) | 1 Turns | 1 Turns |
| Lg Tolerance (T1) | 2.3 | 0.0906 |
| Fitting allowance (F) | 3.25 Turns | 3.25 Turns |
| Fitting allowance (F) | 7.5 | 0.2953 |
| Minimum length of useful threads (Lmin) |
21.1 | 0.8307 |
