Barksdale D1T - Page 6

Fig. 8 Metal-diaphragm differential pressure switch type DPD1T .../DPD2T ...
Adjustable Ranges Pressure Switch Type DPD1T/DPD2T
Pressure
range code
Adjustable range [bar] *
Differential pressure
Max.
operating
pressure
[bar)
Proof
pressure
[bar]
The resulting
hysteresis is approx.
... bar at the end of
range
Increasing
pressure
Decreasing
pressure
(short term)
H, GH
[bar]
M, GM
[bar]
Overpressur
e
3SS
0.02 … 0,2
0.002 … 0.2
0.5
0.7
0.01
0.02
18SS
0.05 … 1.2
0.030 … 1.2
3.0
4.0
0.02
0.05
80SS
0.40 … 5.4
0.030 … 5.2
8.0
10.7
0.14
0.32
150SS
0.70 …10.2
0.100 … 9.7
15.0
20.0
0.26
0.60
*
Static operating pressures up to 28
bar possible. Differential pressure of the adjustable range
must not be exceeded.
Adjustable Ranges Pressure Switch Type D1T/D2T
Pressure
range code
Adjustable range [bar]
Max
operation
pressure
[bar]
Proof
pressure
[bar]
The resulting
hysteresis is
approx. ... bar at the
end of range
Increasing
pressure
Decreasing
pressure
(short
term)
H, GH
[bar]
M, GM
[bar]
Overpressur
e
2SS
0.005 … 0.11
0.001 … 0.110
0.15
0.2
0.004
0.006
3SS
0.012 … 0.20
0.002 … 0.196
0.5
0.7
0.005
0.010
18SS
0.050 … 1.20
0.030 … 1.200
3.0
4.0
0.018
0.040
80SS
0.300 … 5.50
0.030 … 5.300
8.0
10.7
0.110
0.240
150SS
0.500 …10.30
0.100 … 9.900
15.0
20.0
0.190
0.420
Vaccum
3SS
-0.006 …-0.20
-0.002 ...-0.196
0.15
0.2
0.004
0.009
18SS
-0.040 …-1.00
-0.020 …-0.970
0.5
1.0
0.030
0.060
10
Locking screw
M20x1.5
2 pieces in
scope of supply
Cable gland M20x1.5
(clamping range ø5 ... 11
mm)
included in consignment
Set screw(s)
beneath the lid
46 (1.81)
90 (3.54)
Process
connection
1/8“ NPT
internal
(low
pressure)
57 (2.24)
95 (3.74)
127 (5)
159 (6.26)
Locking screw ½“ NPT
Process
connection 1/8“
NPT internal
(high pressure)
11