Page 43 - Tyco-Grooved-Fire-Protection-Products-Installation-Handbook
P. 43
INSTALLATION INSTRUCTIONS 41 Step 3. Insert the “U” bolt into the coupling and
finger tighten the nuts.
Step 4. Tighten nuts uniformly to the recom- mended bolt torque. (See table below)
NOTE
Over-torqueing can damage thin wall pipe and will not increase sealing efficiency. For proper bolt torques refer to the table below. Bolt torque information has been provided in accor- dance with the UL 213 “Standard for Rubber Gasketed Fittings for Fire Protection Service” (Refer to Page 12).
Figure 40-5 Strap Outlet 2 of 2
Figure 40-5 Strap Outlet Bolt Torque Specifications
Pipe Schedule
Bolt Torque Lbs. - ft.
(Nm)
Schedule 10
15 (20)
Schedule 30
25 (34)
Schedule 40
25 (34)
