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Model No.
Basic
Configuration
Nominal
Area Ratios
Port/Max. Pressure PSI
Reverse
Flow
Flow Orifice
Dia. (in.)
Inlet
Outlet
UV-50
NORMALLY
OPEN
AIR PILOT TO
CLOSE,
SINGLE STAGE
50:1
1/4NPT
5000

1/4NPT
4000

BLOCKED
.213 Nom.
UV-80
80:1
1/4NPT
8000
.172 Nom.
UV-120
120:1
1/4NPT
12,000
.135 Nom.
UV-200
200:1
1/4" Super
Pressure
20,000
.100 Nom.
UV-150-2
Normally closed
Air pilot to open
Two stage
2nd stage 9:1
1st stage 250:1
1/2NPT
15,000
1/4NPT
10,000
Free
flow
.344 Nom.
2 stage
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