Schneider Electric AL-161-4 Data Sheet

AL-161-4

Air Switching Valve

Three-way air switching valve is used for central
supply air changeover in dual pressure systems.

Features:

• Compact size

• Large air capacity.

Model Chart

Flow Pattern

Model No.

AL-161-4 B to AB

a

AB Common.

Stem Up [No Air to Actuator] Stem Down [20 psig (138 kPa) Air to Actuator]

Flow Closed Port Flow Closed Port

a

A A to AB

a

B

Specifications

Construction

Body Bronze.

Actuator Die cast aluminum with replaceable neoprene diaphragm.

Body rating 250 psig (1724 kPa).

Maximum air pressure (actuator) 30 psig (207 kPa).

Spring range 8 to 13 psig (55 to 90 kPa).

Flow capacity 25,920 scim (7,080 mL/s) at 15 psig (103 kPa) supply with 1 psig (6.9 kPa) drop.

Ambient temperature limits

Shipping and storage -40 to 220°F (-40 to 104°C).

Operating 40 to 130°F (4 to 54°C).

Supply air 40 to 130°F (4 to 54°C).

Port code and flow pattern Refer to Model Chart.

Connections

Actuator 1/8 in. FNPT.

Valve body 1/2 in. FNPT.

Mounting In any position to wall or subpanel of a cabinet with factory assembled mounting bracket.

Dimensions 6-1/4 H x 3 W x 2-13/16 D in. (159 x 76 x 71 mm).

32

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