Page 41 - Tyco-Grooved-Fire-Protection-Products-Installation-Handbook
P. 41
INSTALLATION INSTRUCTIONS 39
Figure 730 Mechanical Outlet 3 of 3
Step 4. Tighten nuts uniformly to the recom- mended bolt torque with even gaps between the bolts pads.
NOTE
Uneven tightening can cause the gasket to pinch or bind. For proper bolt torques refer to the table below. Bolt torque information has been provided in accordance with the UL 213 “Standard for Rubber Gasketed Fittings for Fire Protection Service” (Refer to Page 12).
Figure 730 Outlet Bolt Torque Specifications
Nominal Pipe Size ANSI Inches / DN
Bolt Size Inches / (mm)
Bolt Torque Lbs. - ft. / (Nm)
2 -2-1/2
50-65
3/8 (M10)
30 (40,7)
3- 4
80 - 100
1/2 (M12)
50 (67,8)
5
125
5/8 (M16)
50 (67,8)
6
150
5/8 (M16)
70 (94,9)
8
200
3/4 (M20)
70 (94,9)
