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SD-03-3602*
TW-1, TW-3, TW-4, TW-5 & TW-6 CONTROL VALVES
FIGURE 1 -
TW-1
1/8” P.T.
SUPPLY
SCREW
1/8” P.T.
DELIVERY
(2 PORTS)
.28” DIA.
2 HOLES-1.88”
APART
A
FIGURE 2 -
TW-3
REVERSED
LEVER
POSITION
LEVER
DIAL
PANEL
THICKNESS**
1.38”
5
4
3
**SEE NOTE
2 BELOW
1/8” NPT
1.38”
2.5”
10-24
THD.
(2 HOLES)
7
8
9
6
1/8” P.T.
SUPPLY
EXHAUST
SPRING
RETAINING
RING
LEVER
235034
PIN
VALVE
SPRING
5
4
3
1/4” NPT
BODY
37.5°
PLUNGER
2
37.5°
1/4” NPT
LEVER
237144
1/4” NPT
SUPPLY
B
DESCRIPTION
The TW series valves are manually operated on-off valves.
They are extensively used in air systems to control
nonmodulating air controlled devices. They may be lever or
button operated, direct or remote control.
The TW-1 (Figure 1) is normally panel mounted with a steel,
zinc or nylon manually operated lever. Some are equipped
with a steel lever with connectors for Bowden cable control.
All TW-1’s have 1/8" NPT ports.
The TW-3 (Figure 2) is lever operated, either direct or remote
and differs from the TW-1 in having 1/4" NPT ports and larger
capacity. Some versions have a heavy inlet valve spring
making them suitable for vacuum control.
TW-4’s and TW-5’s (Figure 3) are similar to the TW-1
except the plunger is designed for a push button, giving
momentary application whenever the button is depressed.
The TW-6 (Figure 4) is a TW-1 with a grounding switch
included. In the exhaust position the switch is open. When
the valve is applied the switch is closed.
*Formerly SD-03-64
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