Test Procedure
Screwed glands shall be fitted with a cylindrical metal rod having a diameter equal to the nearest whole number of millimetres below the internal diameter of the packing. The glands shall then be tightened by means of a suitable spanner, the moment shown in Table 4.2 being applied to the spanner for 1 min.
Technical Parameters:
- Stainless steel bar: Ф 5, Ф 7, Ф 9, Ф 10, Ф 12, Ф 14, Ф 16, Ф 18, Ф 20, Ф 22, Ф 25, Ф 30, Ф 32, Ф 40 mm;
- Mass: 20N, 40N, 50N, 60N; hook weights: 20N and 6N
- Wheel diameter: 250 mm, wooden
| Diameter of test rod mm |
Moment | |
| Metal glands (Nm) | Moulded plastic glands (Nm) | |
| < 7 | 6.25 | 2.5 |
| 7 ~ 14 | 6.25 | 3.25 |
| 14 ~ 20 | 7.5 | 5 |
| > 20 | 10 | 7.5 |
| Gland Moment (Nm) | Weights |
| 2.5 | 20 N with hook |
| 3.25 | 20 N with hook + 6 N intermediate weight |
| 5 | 40 N with hook |
| 6.25 | 50 N with hook |
| 7.5 | 60 N with hook |
| 10 | 60 N with hook + 20 N intermediate weight |
Reviews
There are no reviews yet.