Brochure

AL-161-4
F-27383-1 © Copyright 2006 TAC. All Rights Reserved. 17
Air Switching Valve
Model Chart
Specifications
Three-way air switching valve is used for central
supply air changeover in dual pressure systems.
Features:
Compact size; large air capacity.
Model No.
Flow Pattern
Stem Up [No Air to Actuator] Stem Down [20 psig (138 kPa) Air to Actuator]
Flow Closed Port Flow Closed Port
AL-161-4 B to AB
a
a
AB Common.
AA to AB
a
B
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 220qF (-40 to 104qC).
Operating 40 to 130qF (4 to 54qC).
Supply air 40 to 130qF (4 to 54qC).
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).
AL
-
161
-
4