4
AIR
PREPARATION
PRODUCTS
APP-22
For further information www.norgren.com
Excelon
®
valves
P72F, P74F Smooth start/Exhaust valves
INLET PRESSURE: psig (bar g)
FLOW CHARACTERISTICS
0 20 40 60 80 100 dm
3
/s
AIR FLOW
0 40 80 120 160 200 240 scfm
0.8
0.6
0.4
0.2
0
PRESSURE
DROP
bar
d
10
8
6
4
2
0
psid
PORT SIZE: 1/2"
P74F FLOW CHARACTERISTICS
44
(3)
91
(6.3)
58
(4.0)
116
(8)
150
(10)
2 quart (2 liter) downstream volume
PERCENTAGE SNAP POINT
0 20 40 60 80 100 120
CHARGE TIME - (S)
16
12
8
4
0
OUTLET
PRESSURE
bar
g
200
160
120
80
40
0
psig
P74F PERCENTAGE SNAP POINT
SNAP POINT
P74F Typical performance characteristics
Dimensions in inches (mm)
P74F
Solenoid operated plus
manual shut-off
with lockout
Air pilot operated plus
manual shut-off
with lockout
Solenoid operated Air pilot operated
1/2 PTF (G1/2)
1.18 (30) A/F
5.67
(144)
3.46
(88)
1/4 PTF (R
c
1/4)
3.31 (84)
2.91
(74)
1.46
(37)
6.38
(162)
4.21
(107)
1/4 PTF (R
c
1/4)
3.31 (84)
4.37
(111)
max.
3.78
(96)
min.
1.46
(37)
1/2 PTF (G1/2)
1.18 (30) A/F
8.35
(212)
6.14
(156)
1/2 PTF (G1/2)
1.18 (30) A/F
3.31 (84)
2.91
(74)
1.46
(37)
8.70
(221)
6.50
(165)
3.31 (84)
4.37
(111)
max.
3.78
(96)
min.
1.46
(37)
1/2 PTF (G1/2)
1.18 (30) A/F
