TAC Pneumatic Products Catalog

TK-18xx Series, TKR-18xx Series
Figure 1 Standard Covers.
Figure 2 Aspirated Thermostat Cover.
Figure 3 Optional Covers. (For quantities of 24 or more of same part number).
Add “dash number” (-xxx) suffix to base part number for desired option. TKR-18x1 available with -116 options only.
For metal covers, specify TK2-18x1-xx.
Specifications
Thermostat
Proportional two pipe type. Thermostat maintains constant branch pressure when temperature is
between dial setpoints.
Sensing elements Two bimetals.
Control dial range Two independent with stops. Refer to Model Chart.
Throttling range
Adjustable 2 to 10�F/10 psi, change in branch pressure when temperature is not between dial
setpoints, factory set at 4�F/10 psi.
Output air signal 0.5 psig (3.4 kPa) to supply air pressure -0.5 psig (-3.4 kPa).
Zero energy band pressure Adjustable 5 to 11 psig (34 to 76 kPa), factory set at 8 psig (55 kPa).
Action
Ambient limits
Refer to Model Chart.
Shipping -40 to 150�F (-40 to 65�C). 0 to 98% R.H., non-condensing.
Operating 20 to 115�F (-7 to 46�C). 10 to 98% R.H., non-condensing.
Supply air pressure Clean, oil free, dry air required (reference EN-123).
Nominal 20 psig (138 kPa).
Minimum 15 psig (103 kPa).
Maximum
Air connections
30 psig (207 kPa).
Main (black) 5/32 in. dia. spring reinforced plastic tube.
Branch (white) 5/32 in. dia. spring reinforced plastic tube.
146
F -399*
C -398*
F
C -116
-400**
-410**
-600
with
-403*
-413*
Insert
Insert
Aspirated model
(requires AT-509)
Note: Not available on
TKR-18x1 models.
Available to TAC only.
-404
-414
* Units have external thermometers.
** Units have internal setpoint adjustment;
setpoint can be seen externally.
Knob(s) are provided to modify the
unit to exterrnal adjustment.
-400
The only optional covers
available to Controline
and Uni-Line.
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