QuickDraw
Storage and Semi-instantaneous
Boiler Water Heater
15 PV500-26 05/13
HEAT EXCHANGER HEAD LUBRICATED TIGHTENING
TORQUES
COMPRESSED FIBER GASKETS
Bolt
Dia.
Recommended
Torque
ft-lbs
Torque
Increment
Max.
Torque
1/2" 40 5 60
5/8" 80 5 120
SPIRAL WOUND GASKETS
Bolt/Stud
Dia.
Recommended
Torque
ft-lbs
Torque
Increment
Max.
Torque
1/2" 40 5 60
5/8" 80 5 120
3/4" 120 5 200
7/8" 200 10 320
1" 300 10 490
1 1/8" 450 10 710
1 1/4" 600 10 1000
6.
Tighten uniformly and in a diametrically staggered pattern (alternating star pattern) as illustrated below.
WARNING: Follow the proper tightening sequence,
torque increments and maximum torque values.
Failure to follow these requirements can cause non-
repairable damage to gaskets or heat exchangers
and can result in leaking, property damage,
personal injury or loss of life
.
To Next Page
Loading...
