Switches
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SP470 Pneumatic Diverting Switches
Pneumatic diverting switch used to manually divert, block, or
bleed air in pneumatic air lines to revise control sequence with a
change in conditions. Commonly applied on Day-Night, Summer-
Winter, On-Off-Auto, or Start-Stop functions. Replacement kits are
available for Johnson, Powers, Robertshaw, Barber-Colman, and
older Honeywell switches.
• Available in two-position or three-position devices.
• Mountable on a panel up to 7/16 in (11 mm) thick.
• Complete with knob and scaleplate.
Dimensions in inches (millimeters)
SP470A Typical three-position application SP470A Switches
Airflow Usage: 0.175 scfm (82.6 mL/s) minimum at 1 psi pressure
drop
Air Connections: Barb fitting for 5/32 in. (4 mm) O.D. plastic tubing
Mounting: Panel mount
Operating Humidity Range (% RH): 5 to 95% RH
Temperature Range: 20 F to 140 F (-7 C to +60 C)
Maximum Safe Operating Pressure: 30 psi (207 kPa)
Switch Operation: Used to manually divert, block or bleed pneumatic
air lines
Switch Type: Two or Three Position Pneumatic Diverting Switch
1-3/16
(30)
1-1/2
(38)
1
(25)
1-1/2
(38)
1-1/2
(38)
C8142
1-1/2
(38)
3/8 FLAT
(10)
1-1/8
(29)
13/16
(21)
19/32
(15)
3
(76)
1-3/16
(30)
M
M
BM
N.O. VALVE
7
98
6
EXH
DA
CONTROLLER
SP470
POSITION 1, VALVES OPEN: PORTS 7 AND 9 CONNECTED,
PORTS 6 AND 8 BLOCKED
POSITION 2, VALVE AUTO: PORTS 7 AND 8 CONNECTED,
PORTS 6 AND 9 BLOCKED
POSITION 3, VALVE CLOSED: PORTS 7 AND 6 CONNECTED,
PORTS 8 AND 9 BLOCKED
C4290
NOTES:
7
9
6
8
7
9
6
8
7
9
6
8
THREE-POSITION SWITCH
TWO-POSITION SWITCH
C1887
7
9
6
8
7
9
6
8
Product Number Mounting Description Includes
SP470A1000 Panel mount Pneumatic Manual Switch, 4 port, 2-position interchange Mounting nuts, knob, and two-position scaleplate
SP470A1018 Panel mount Pneumatic Manual Switch, 4 port, 3-position, Port 7 is common Mounting nuts, knob, and three-position scaleplate
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