Poppet valves, Val-12-22 – Norgren Prospector Series Datasheets User Manual
Page 22
VAL-12-22
Littleton, CO USA
Phone: 303-794-2611
www.norgren.com
Poppet Valves
● High flow - Cv of 1.2 to 49.5
● Durable, robust construction
● Two mounting styles: inline or subbase
● 1/4" to 2" ports (BSPP, PTF, or ISO Rc threads)
● Wide range of Air Pilot Operators available
● Four functional types: available in 2/2, 3/2, 3/2
multi-directional and 4/2 configurations
1/4" to 2" Air Pilot Actuated
2/2, 3/2, & 4/2 Inline and Subbase Valves
Technical Data
Medium:
Filtered and lubricated or non-lubricated compressed air or vacuum.
Operation:
Poppet valve air pilot actuated.
Mounting:
Through-holes in valve body and subbase.
Port Size:
1/4" to 2" PTF, BSPP, or ISO Rc.
Operating Pressure:
300 psig (Maximum 20.7 bar). For details see overleaf.
Flow Characteristics:
Basic Size
Function
Cv*
l/min
1/4"
3/2 & 4/2
1.2 - 1.8
984 - 2,435
1/2"
2/2, 3/2 & 4/2
3.2 - 5.8
3,398 - 6,230
1"
2/2, 3/2 & 4/2
10.3 - 17.7
4,474 - 15,348
2"
2/2 & 3/2
39.6 - 49.5
38,228 - 54,085
*See VAL-12-58 for additional flow information.
Operating Temperature:
-20°F to 175°F** (-29°C to 79°C)
**Consult Technical Service for use below 35°F (+2°C).
Materials:
Body: Aluminum alloy body, piston, poppets and subbase.
Operators: Zinc or aluminum air pilot operators.
Elastomers: Nitrile rubber seals. (Fluorocarbon seals are
optional, contact Technical Services.)
Ordering Information
To order standard poppet valves with air pilot
operators, quote model number from tables
overleaf, i.e. order D1024C-00-A1 for a 3-por t,
2-position, normally closed, Air Pilot Operated
Spring Return model.
3-Port/2-Position Multi-Directional
3-Port/2-Position
4-Port/2-Position 3-Way
Twin Normally Closed
4-Port/2-Position
4-Way
2-Port/2-Position
IN
OUT
EXH
This example shows a 3-way normally closed valve.
OUT
B
A
IN
Normally Open
OUT
B
A
IN
Normally Closed
EXH IN
OUT
Normally Closed
EXH IN
OUT
Normally Open
OUT2 OUT1
A
IN
B C
Distributor
CYL 1IN
EXH CYL2
IN2 IN1
OUT
A
B C
Selector
EXH IN
OUT
A
C B
Normally Closed
EXH IN
OUT
A
B C
Normally Open
CYL2 CYL1
IN EXH