Instruction Manual

Fulton Thermal Corp.*SteamPac Unfired Steam Generators Manual* Version 2010-0201
Page 26
Standard gaskets supplied by Fulton for operating temperatures above 650
o
F are
Flexitallic Spiral Wound.
Recommended Loads for Flexitallic Spiral Wound Class 150# Gaskets
SAE Grade 5 Bolts (typical) or Equal
Nominal Flange Size
Inches Number of Bolts
Diameter of Bolts
Inches
Preferred Torque
Required per Bolt
Ft-Lbs.
1/2 4 1/2 45
3/4 4 1/2 45
1 4 1/2 45
1 ¼ 4 1/2 45
1 ½ 4 1/2 45
2 4 5/8 90
2 ½ 4 5/8 90
3 4 5/8 90
3 ½ 8 5/8 90
4 8 5/8 90
5 8 3/4 150
6 8 3/4 150
8 8 3/4 150
10 12 7/8 240
Recommended Loads for Flexitallic Spiral Wound Class 300# Gaskets
SAE Grade 5 Bolts (typical) or Equal
Nominal Flange Size
Inches Number of Bolts
Diameter of Bolts
Inches
Preferred Torque
Required per Bolt
Ft-Lbs.
1/2 4 1/2 45
3/4 4 5/8 90
1 4 5/8 90
1 ¼ 4 5/8 90
1 ½ 4 3/4 150
2 8 5/8 90
2 ½ 8 3/4 150
3 8 3/4 150
3 ½ 8 3/4 150
4 8 3/4 150
5 8 3/4 150
6 12 3/4 150
8 12 7/8 240
10 16 1 368