User Guide
.03
.06
Δ
p
G
(l/s) (
gpm
)
0.1
1
0.2
0.3
0.5
(psi) (bar)
10
2
3
5
20
0.01
0.1
0.02
0.03
0.05
1.0
0.2
0.3
0.5
0.4
4
0.04
0.4
.30
.50
1.4
2.8
5.6
1
0.2
0.5
2
5
10
2
0
5
0
100
2
00
.015
46.00
20.00
10.00
9.00
7.00
5.00
2.00
1.50
1.00
0.70
0.50
0.20
(feet of head)
0.05
3.00
0.30
0.10
0.003
0.005
7.0
12.5
.02
0.3
.10
.20
.70
0.02
0.006
0.01
0.03
0.005
0.008
0.05
0.03
0.02
0.015
0.0115
0.0006
0.001
0.0004
0.00035
0.002
2 3
Position
1
2.5
0.5 1 .5 3.5 4
Cv
Max
Size 1/2"
0.5 1 1.5 2 2.5 3 3.5
Cv 0.37 0.63 1.07 1.6 2.13 2.9 3.3 3.4
Position
4
Code 142241A 1/2”
.03
.06
D
p
G
(l/s) (
gpm
)
0.1
1
0.2
0.3
0.5
(psi) (bar)
10
2
3
5
20
0.01
0.1
0.02
0.03
0.05
1.0
0.2
0.3
0.5
0.4
4
0.04
0.4
.30
.50
1.4
2.8
5.6
1
0.2
0.5
2
5
10
2
0
5
0
100
2
00
.015
46.00
20.00
10.00
9.00
7.00
5.00
2.00
1.50
1.00
0.70
0.50
0.20
(feet of head)
0.05
3.00
0.30
0.10
0.003
0.005
7.0
12.5
.02
0.3
.10
.20
.70
0.02
0.006
0.01
0.03
0.005
0.008
0.05
0.03
0.02
0.015
0.0115
0.0006
0.001
0.0004
0.00035
0.002
2 3
Position
1
2.5 0.5 1 .5 3.5 4
Cv
Max
Size 3/4"
0.5 1 1.5 2 2.5 3 3.5
Cv 0.55 0.8 1.2 1.7 2.4 3.7 4.4 5.0
Position
4
Code 142251A 3/4”
.03
.06
D
p
G
(l/s) (
gpm
)
0.1
1
0.2
0.3
0.5
(psi) (bar)
10
2
3
5
20
0.01
0.1
0.02
0.03
0.05
1.0
0.2
0.3
0.5
0.4
4
0.04
0.4
.30
.50
1.4
2.8
5.6
1
0.2
0.5
2
5
10
2
0
5
0
100
2
00
.015
46.00
20.00
10.00
9.00
7.00
5.00
2.00
1.50
1.00
0.70
0.50
0.20
(feet of head)
0.05
3.00
0.30
0.10
0.003
0.005
7.0
12.5
.02
0.3
.10
.20
.70
0.02
0.006
0.01
0.03
0.005
0.008
0.05
0.03
0.02
0.015
0.0115
0.0006
0.001
0.0004
0.00035
0.002
Code 142261A 1”
2 3
Position
1
2.5 0.5 1 .5 3.5 4
Cv
Max
Size 1"
0.5 1 1.5 2 2.5 3 3.5
Cv 1.0 1.2 1.8 2.6 3.3 5.0 6.5 7.5
Position
4
18203
.03
.06
D
p
G
(l/s) (
gpm
)
0.1
1
0.2
0.3
0.5
(psi) (bar)
10
2
3
5
20
0.01
0.1
0.02
0.03
0.05
1.0
0.2
0.3
0.5
0.4
4
0.04
0.4
.30
.50
1.4
2.8
5.6
1
0.2
0.5
2
5
10
2
0
5
0
100
2
00
.015
46.00
20.00
10.00
9.00
7.00
5.00
2.00
1.50
1.00
0.70
0.50
0.20
(feet of head)
0.05
3.00
0.30
0.10
0.003
0.005
7.0
12.5
.02
0.3
.10
.20
.70
0.02
0.006
0.01
0.03
0.005
0.008
0.05
0.03
0.02
0.015
0.0115
0.0006
0.001
0.0004
0.00035
0.002
Code 142271A 1 1/4”
2 3
Position
1
2.5 0.5 1 .5 3.5 4
Cv
Max
Size 1 1/4"
0.5 1 1.5 2 2.5 3 3.5
Cv 1.5 2.6 3.6 4.5 7.7 10.0 11.8 12.9
Position
4
©
Copyright 2015 Caleffi
142241A 1/2” NPT Female
142251A 3/4” NPT Female
142261A 1” NPT Female
142271A 1 1/4” NPT Female
142281A 1 1/2” NPT Female
142291A 2” NPT Female
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