32
I-800
The following recommendations are based on the use of two standard flat
washers, standard nuts, and an
1
/
8
-inch thick EPDM full-face gasket.
Actual field conditions may require a variation in these recommendations.
Flange Size
Recommended Torque
ft-lbs
Nominal
Diameter
inches (mm)
Actual
Outside Diameter
inches (mm)
3
/
4
– 1
1
/
2
1.050 – 1.900
12
(20 – 40)
(26,9 – 48,3)
2
2.375
25
(50)
(60,3)
Flange Size
Bolt Holes
Bolt Diameter
inches
Minimum Bolt
Length
inches
Nominal
Diameter
inches (mm)
Actual
Outside Dia.
inches (mm)
3
/
4
1.050
4
1
/
2
2
(20)
(26,9)
1
1.315
4
1
/
2
2
1
/
4
(25)
(33,7)
1
1
/
4
1.660
4
1
/
2
2
1
/
4
(32)
(42,4)
1
1
/
2
1.900
4
1
/
2
2
1
/
2
(40)
(48,3)
2
2.375
4
5
/
8
3
(50)
(60,3)
I-800 2755 Rev_I.fm Page 32 Tuesday, September 13, 2005 8:46 AM