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Patented Design

Saddles & Hanger Compressive Strength Tables
Version 2.2 Written by Jim Young, Dow Chemical Company

Pipe Diameter 0.5 Inch
 
Nominal Pipe Diameter =
0.5
inches
Schedule of Pipe =
40
Insulation Thickness =
1
inches
Insulation density =
2
pcf (lbs/ft3)
Material in pipe =
water
 
Density of material in pipe =
62.37
pcf (lbs/ft3)
Length of span between saddles =
6
feet
Saddle length in inches =
4
inches
Portion of pipe circumference covered =
360
degrees
Safety factor (typical is between 3 and 5) =
3
 
"Design" compressive strength of insulation =
5
psi (lbs/in2)

 

Pipe Diameter 0.75 Inch
 
Nominal Pipe Diameter =
0.75
inches
Schedule of Pipe =
40
Insulation Thickness =
1
inches
Insulation density =
2
pcf (lbs/ft3)
Material in pipe =
water
 
Density of material in pipe =
62.37
pcf (lbs/ft3)
Length of span between saddles =
8
feet
Saddle length in inches =
4
inches
Portion of pipe circumference covered =
360
degrees
Safety factor (typical is between 3 and 5) =
3
 
"Design" compressive strength of insulation =
7.4
psi

 

Pipe Diameter 1.0 Inch
 
Nominal Pipe Diameter =
1
inches
Schedule of Pipe =
40
Insulation Thickness =
1
inches
Insulation density =
2
pcf (lbs/ft3)
Material in pipe =
water
 
Density of material in pipe =
62.37
pcf (lbs/ft3)
Length of span between saddles =
8
feet
Saddle length in inches =
4
inches
Portion of pipe circumference covered =
360
degrees
Safety factor (typical is between 3 and 5) =
3
 
"Design" compressive strength of insulation =
9.0
psi

 

Pipe Diameter 1.25 Inch
 
Nominal Pipe Diameter =
1.25
inches
Schedule of Pipe =
40
Insulation Thickness =
1
inches
Insulation density =
2
pcf (lbs/ft3)
Material in pipe =
water
 
Density of material in pipe =
62.37
pcf (lbs/ft3)
Length of span between saddles =
10
feet
Saddle length in inches =
4
inches
Portion of pipe circumference covered =
360
degrees
Safety factor (typical is between 3 and 5) =
3
 
"Design" compressive strength of insulation =
12.6
psi

 

Pipe Diameter 1.5 Inch
 
Nominal Pipe Diameter =
1.5
inches
Schedule of Pipe =
40
Insulation Thickness =
1
inches
Insulation density =
2
pcf (lbs/ft3)
Material in pipe =
water
 
Density of material in pipe =
62.37
pcf (lbs/ft3)
Length of span between saddles =
10
feet
Saddle length in inches =
4
inches
Portion of pipe circumference covered =
360
degrees
Safety factor (typical is between 3 and 5) =
3
 
"Design" compressive strength of insulation =
13.6
psi

 

Pipe Diameter 2.0 Inch
 
Nominal Pipe Diameter =
2.0
inches
Schedule of Pipe =
40
Insulation Thickness =
1
inches
Insulation density =
2
pcf (lbs/ft3)
Material in pipe =
water
 
Density of material in pipe =
62.37
pcf (lbs/ft3)
Length of span between saddles =
10
feet
Saddle length in inches =
4
inches
Portion of pipe circumference covered =
360
degrees
Safety factor (typical is between 3 and 5) =
3
 
"Design" compressive strength of insulation =
15.4
psi

 

Pipe Diameter 2.5 Inch
 
Nominal Pipe Diameter =
2.5
inches
Schedule of Pipe =
40
Insulation Thickness =
1
inches
Insulation density =
2
pcf (lbs/ft3)
Material in pipe =
water
 
Density of material in pipe =
62.37
pcf (lbs/ft3)
Length of span between saddles =
10
feet
Saddle length in inches =
4
inches
Portion of pipe circumference covered =
360
degrees
Safety factor (typical is between 3 and 5) =
3
 
"Design" compressive strength of insulation =
21.8
psi

 

Pipe Diameter 3.0 Inch
 
Nominal Pipe Diameter =
3
inches
Schedule of Pipe =
40
Insulation Thickness =
1
inches
Insulation density =
2
pcf (lbs/ft3)
Material in pipe =
water
 
Density of material in pipe =
62.37
pcf (lbs/ft3)
Length of span between saddles =
10
feet
Saddle length in inches =
4
inches
Portion of pipe circumference covered =
360
degrees
Safety factor (typical is between 3 and 5) =
3
 
"Design" compressive strength of insulation =
22.1
psi

 

Pipe Diameter 4.0 Inch
 
Nominal Pipe Diameter =
4
inches
Schedule of Pipe =
40
Insulation Thickness =
1
inches
Insulation density =
2
pcf (lbs/ft3)
Material in pipe =
water
 
Density of material in pipe =
62.37
pcf (lbs/ft3)
Length of span between saddles =
10
feet
Saddle length in inches =
4
inches
Portion of pipe circumference covered =
360
degrees
Safety factor (typical is between 3 and 5) =
3
 
"Design" compressive strength of insulation =
25.9
psi

 

Pipe Diameter 6.0 Inch
 
Nominal Pipe Diameter =
6
inches
Schedule of Pipe =
40
Insulation Thickness =
1
inches
Insulation density =
2
pcf (lbs/ft3)
Material in pipe =
water
 
Density of material in pipe =
62.37
pcf (lbs/ft3)
Length of span between saddles =
10
feet
Saddle length in inches =
4
inches
Portion of pipe circumference covered =
360
degrees
Safety factor (typical is between 3 and 5) =
3
 
"Design" compressive strength of insulation =
34.0
psi

 

Pipe Diameter 8.0 Inch
 
Nominal Pipe Diameter =
8
inches
Schedule of Pipe =
40
Insulation Thickness =
1
inches
Insulation density =
2
pcf (lbs/ft3)
Material in pipe =
water
 
Density of material in pipe =
62.37
pcf (lbs/ft3)
Length of span between saddles =
10
feet
Saddle length in inches =
4
inches
Portion of pipe circumference covered =
360
degrees
Safety factor (typical is between 3 and 5) =
3
 
"Design" compressive strength of insulation =
41.7
psi

 

Pipe Diameter 10.0 Inch
 
Nominal Pipe Diameter =
10
inches
Schedule of Pipe =
40
Insulation Thickness =
1
inches
Insulation density =
2
pcf (lbs/ft3)
Material in pipe =
water
 
Density of material in pipe =
62.37
pcf (lbs/ft3)
Length of span between saddles =
10
feet
Saddle length in inches =
4
inches
Portion of pipe circumference covered =
360
degrees
Safety factor (typical is between 3 and 5) =
3
 
"Design" compressive strength of insulation =
49.7
psi

 

Pipe Diameter 12.0 Inch
 
Nominal Pipe Diameter =
12
inches
Schedule of Pipe =
40
Insulation Thickness =
1
inches
Insulation density =
2
pcf (lbs/ft3)
Material in pipe =
water
 
Density of material in pipe =
62.37
pcf (lbs/ft3)
Length of span between saddles =
10
feet
Saddle length in inches =
4
inches
Portion of pipe circumference covered =
360
degrees
Safety factor (typical is between 3 and 5) =
3
 
"Design" compressive strength of insulation =
55.4
psi