V43/V243 Series Pressure-Actuated Water-Regulating Valves Product/Technical Bulletin
5
V43 Capacity Flow Charts
Figure 5: 2 in. V43 Capacity Flow Chart
40
40
50
30
30
20
20
10
10
0
0
R
efr
ig
er
a
nt H
ea
d
P
re
ss
u
re
R
is
e
A
b
ov
e
V
a
lv
e Op
en
in
g
P
o
in
t (
p
si
g)
10
50 100 150 200 250 300 350 400 450
20 30
50
Water Flow (GPM)
Water Pressure Available Across Valve (psid)
CAPACITY CHART FOR 2 in. VALVE
Medium Pressure
Refrigerants
Low Pressure
Refrigerants
Figure 6: 2-1/2 in. V43 Capacity Flow Chart
40
30
20
10
0
10
50
100 150 200 250 300 350 400 450
20
30
50
Water Pressure Available Across Valve (psid)
40
50
30
20
10
0
Re
fr
ig
er
a
nt
He
a
d
Pre
ss
u
re
Ri
se
Ab
o
ve
V
al
ve
O
p
en
in
g P
oin
t
(p
si
g
)
Water Flow (GPM)
CAPACITY CHART FOR 2-1/2 in. VALVE
Medium Pressure
Refrigerants
Low Pressure
Refrigerants
Figure 7: 3 in. V43 Capacity Flow Chart
40
30
20
10
0
10
100 200 300 400 500 600 700 800 900
20
30
50
Water Pressure Available Across Valve (psid)
CAPACITY CHART FOR 3 in. VALVE
40
50
30
20
10
0
Re
fri
ge
ra
n
t He
a
d P
re
ss
ure
R
is
e
A
bo
ve
V
al
ve
O
p
en
in
g
Poi
nt
(
p
si
g)
Water Flow (GPM)
Medium Pressure
Refrigerants
Low Pressure
Refrigerants
Figure 8: 4 in. V43 Capacity Flow Chart
40
30
20
10
0
5
150 300 450 600 750 900 1050 1200 1350
10
20 30
50
Water Pressure Available Across Valve (psid)
CAPACITY CHART FOR 4 in. VALVE
40
50
30
20
10
0
Re
fri
ge
ra
n
t He
ad
Pr
es
su
re
R
is
e
A
b
ov
e
V
alv
e O
p
en
in
g Po
in
t
(p
si
g)
Water Flow (GPM)
Medium Pressure
Refrigerants
Low Pressure
Refrigerants
