Document kmdxOGpvKzY4KMjX5qRJeNqgE
HEATING VENTILATING AIR CONDITIONING GUIDE 1942
Table 9. Pressure Losses in Dichlorodifluoromethane Suction Refrigerant Lines
Copper Pipe
Actual O.D.
Inches
Capacity BtO FEB Houa
2,000 4,000 6,000
8,000 10,000
y* 12,000
14,000 16,000 18,000
20,000
7,000 10,000 15,000
20,000 25,000 35;000
45,000 60,000 70,000
10,000 15,000 20,000
30,000
m 40,000
50,000
60,000 80,000 100,000
30,000 40,000 50,000
60,000
m 70,000
80,000
90,000 100,000 120,000
140,000
Pressure Drop in Pounds per Square Inch per 100 Ft*
Refrigerant Temperature Deo F
-10
0.3 1.3 2.8
4.8 7.4 10.5
14.0
0.4 1.0 1.9
3.3 5.0 9.7
15.8
0.3 0.7 1.2
2.6 4.6 7.0
10.0
1.6 2.7 4.2
6.1 8'. 7
0
0.3 1.0 2.2
3.8 5.8 8.4
11.0 14.5
0.3 .0.7 1.5
2.6 4.0 7.7
12.6
0.2 0.5 0.9
2.1 3.6 5.5
7.8 14.0
1.3 2.1 3.2
4.5 6.3 8.4
10
0.2 0.8 1.8
3.1 4.8 6.8
9.1 12.0 15.0
0.3 0.5 1.2
2.1 3.2 6.2
10.0
0.2 0.4 0.7
1.6 2.8 4.4
6.2 11.0
1.0 1.7 2.5
3.6 4.8 6.3
8.0 10.0
20
0.2 0.7 1.5
2.6 3.9 5.6
7.6 9.8 12.3
15.0
0.2 0.5 1.0
1.7 2.7 5.1
8.4 14.8
30
0.2 0.6 1.2
2.1 3.3 4.7
6.4 8.3 10.4
12.7
0.2 0.4 0.8
1.4 2.2 4.3
7.0 12.2
0.2 0.1 0.3 0.3 0.6 0.5
1.3 ' ~ 1.1 2.3 1.9
3.5 2.9
5.0 8.7 13.5
4.2 7.3 11.3
0.8 0.7 1.4 1.1 2.1 1.7
2.9 2.4 3.8 3.1 4.9 4.0
6.2 4.9 7.6 6.1
8.6
40
0.1 0.5 1.0
1.8 2.8 4.0
5.4 7.0 8.7
10.7
0.2 0.3 0.7
1.2 1.9 3.6
5.9 10.2 14.0
0.1 0.2 0.4
0.9 1.6 2.5
3.5 6.2 9.5
0.6 0.9 1.4
2.0 2.6 3.3
4.1 5.0 7.0
9.5
50
0.1 0.4 0.9
1.5 2.3 3.3
4.5 5.8 7.2
8.9
0.1 0.3 0.6
1.0 1.6 3.0
4.9 8.6 11.7
0.1 0.2 0.4
0.8 1.4 2.1
3.0 5.2 8.2
0.5 0.8 1.2
1.7 2.2 2.8
3.5 4.2 5.9
7.9
Length of tubing includes the average number of fittings. 500
CHAPTER 25. REFRIGERATION
TABLE \,^R,ES,,SUE Losses in Dichlorodifluoromethane _________ Suction Refrigerant Lines (Continued)
Copper Pipe
Actual O.D.
Inches
Capacity Btu per HouiI
PotrnnsPbessobb Deop k
pee Squabe Ikch pee 100 Ft.
Refrigerant Temperature Deg F
m m
3H
m
50,000 100,000 150,000
200,000
250.000 300.000
350.000 400.000
50,000 100,000 150,000
200,000 250.000 300.000
350.000 400.000 450.000
500.000 550.000 600.000
200,000 300.000 400.000
500.000 600.000 700,000
800,000 900,000 1,,000,000
300.000 400.000 500.000
600,000 700.000 800.000 900,000 ,000,000 ,100,000
,200.000 ,300,000 i .400.000
-10
0.7 2.6 5.6 9.8 14.8
0.2 0.7 1.6 2.8 4.3 6.1 8.2
1.2 2.6 4.5 7.3
1.2 2.0 3.2 4.6 6.4 8.7
0 | 10
0.5 0.4 .1.8 1.4 3.9 3.0
6.7 .10.3 14,5
5.2 8.0 11.3
19.5
0.2
0.6
1.2
2.1 3.4 4.5
15.3 19.6
0.1 0.5 1.0
1.7 2.6 3.7
6.0 ' 5.0 7.8 6.5
7.7
1.0 0.8 2.0 1.6 3.4 2.6
5.4 4.1 8.1 6.0
8.4
0.9 ' 0.7 1.6 1.3 2.5 1.9
3.6 2.8 4.9 3.8 6.4 4:9
8.2 6.2 7.7 9.4
20
0.3 1.1 . 2.4
' 30
0.3 0.9 2.0
40 50
0.2 0.2 0.8 0.7 1.6 1.4
4.1 6.3 9.0
12.0 15.3
0.1 0.4 0.8
1.4 2.1 3.0
3.4 5.1 7.2
9.7 12.5
0.1 0.3 0.6
1.1 . 1.7
2.4
2.8 4.2 6.0
7.8 10.0
0.1 0.2 0.5
0.9 1.3 1.9
2.4 3.6 5.0
6.7 8.5
0.1 0.2 0.4
0.7 1.1 1.5
4.0 5.1 6i4
7.8
0.6 1.3 2.1
3.3 4.7 6.5
8.6
0!6 1.0
1.6
2.2 3.0 3.9
3.2 .4.2
5.3
6.4 7.7
0.5 1.0 1.7-
2.7 3.8 5.2
6.8 8.7
0.5 0.8 1.3
1.8 2.5 3.2
2.5 3.3 4.0
5.0 6.2 7.4
0.4 0.8 1.4
2.2 3.1 4.2
5.5 7.0 8.9
0.4 ,0.7
1.0
1.5 2.0 2.5
2.0 2.7 3.5
4.2 5.1 6.2
0.4 0.7 1.3
1.9 2.7 3.5
4.6 5.9 7.3
0.3 0.6 0.9
1.3 1.7 2.2
4.9 3.9 6.1 4.9 7.3 5.8
3.2 4.0 4.8
2.7 3.3 4.0
8.7 6.9 5.6 4.8 8.0 6.6 5.6 9.3 7.6 6.4
Length of tubing includes the average number of fittings.
501