Description
Screwed Glands Test Device
Product details: Model ZLT-LWM1.
To determine the torque strength of the screwed glands, in accordance with the IEC60598-1 clause 4.12.5.
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 following table being applied to the spanner for 1 min.
Standard Outfit:
1 set of stainless steel test rods 4~40mm,
1 set of weights, 15 N-20 N-25 N-30 N-40 N,
1 cylinder, diameter 250 mm.
Diameter of test rod (mm) | Moment |
Metal glands (Nm) | Moulded plastic glands (Nm) |
Up to and 7 | 6,25 | 2,5 |
Over 7 up to 14 | 6,25 | 3,25 |
Over 14 up to 20 | 7,50 | 5 |
Over 20 | 10 | 7,50 |