ACE BOILER INC.
Page 18
Mini-Pack Component Weights
Single-wall units
Double-wall units
Gasket Installation
Caution: It is recommended that you wear proper eye protection.
1. Thoroughly clean the gasket surface of foreign matter and scratches. Dirt and scale provide
leakage paths.
2. Lubricate the bolts and the underside of the nuts. A heavy graphite and oil mixture will do. Threads
should be well formed and free running. Lubricating the threads doubles the clamping force.
3. Gasket should be properly positioned before attempting to retighten bolts. The placement of the
gasket is important and must be done on a clean surface area
. It covers a very thin area, which
widens as the bolts are tightened. Place the gasket on the flange toward the outside of the gasket
sealing area so that a width of the flange is approximately equal to half the width of gasket is on the
outside (as shown in VIEW "A", D equals width of gasket). Peel back adhesive strip protective
paper and firmly press down gasket as you go around flange. The adhesive strip will hold the
gasket in position. Flanges, especially blind flanges, bend appreciably when bolts are torqued and
might come together without adequately compressing the gasket if it were placed further toward the
inside of the flange face.
VIEW
"A"
MP
Size
Coil Weight Bonnet
Weight
Shell
Weight
4" 30 lbs. 30 lbs. 60 lbs.
5" 54 lbs. 40 lbs. 73 lbs.
6" 77 lbs. 45 lbs. 85 lbs.
8" 110 lbs. 60 lbs. 115 lbs.
8L" 132 lbs. 60 lbs. 125 lbs.
10" 200 lbs. 95 lbs. 180 lbs.
10L" 230 lbs. 95 lbs. 200 lbs.
12" 253 lbs. 130 lbs. 250 lbs.
12L” 300 lbs 130 lbs. 300 lbs.
MP
Size
Coil
Weight
Bonnet
Weight
Shell
Weight
5" 125 lbs. 40 lbs. 95 lbs.
6" 170 lbs. 45 lbs. 105 lbs.
8" 260 lbs. 60 lbs. 135 lbs.
10" 430 lbs. 95 lbs. 210 lbs.
12" 550 lbs. 130 lbs. 310 lbs.
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