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Poppet valves, Val-12-22 – Norgren Prospector Series Datasheets User Manual

Page 22

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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