Bulletin IN-0118
Page 3
1
2
3
3A
4
5
6
7
8
9
27
5S
6S
8S
9S
9AS
10S
11S
12S
13S
15S
25S
26S
26E
23E
6E
24E
9E
21E
22E
11E
13E
1/8 - 15 psig
0-30” Hg. Vac.
10” Vac 12 psig
1/8 - 20 psig
1-35 psig
2-60 psig
5-100 psig
5-150 psig
5-200 psig
10-300 psig
25” Vac 50 psig
2-60 psig
5-100 psig
10-200 psig
10-300 psig
40-350 psig
25-600 psig
50-1000 psig
100-1500 psig
300-2500 psig
500-5000 psig
30” Hg. Vac. 60 psig
30” Hg. Vac. 75 psig
30” Hg. Vac 75
5-75 psig
10-100 psig
10-150 psig
10-300 psig
30-400 psig
75-800 psig
100-1000 psig
200-2500 psig
Brass
Brass
Brass
Brass
Brass
Brass
Brass
Brass
Brass
Brass
Brass
Steel
Steel
Steel
Steel
Steel
Steel
Steel
Steel
Steel
Steel
Steel
Steel
316 S.S.
316 S.S.
316 S.S.
316 S.S.
316 S.S.
316 S.S.
316 S.S.
316 S.S.
316 S.S.
2-1/2 psig
4” Hg.
2-1/2 psig
2-1/2 psig
3-1/2 psig
5 psig
7 psig
10-5/8 psig
15 psig
25 psig
7 psig
6 psig
8 psig
10 psig
20 psig
20 psig
40 psig
100 psig
150 psig
250 psig
600 psig
5 psig
10 psig
12 psig
12 psig
12 psig
13 psig
35 psig
40 psig
85 psig
125 psig
275 psig
1/2 psig
1” Hg. Vac.
1/2 psig
1/2 psig
3/4 psig
3/4 psig
1 psig
1-1/8 psig
1-1/4 psig
2 psig
1 psig
1-1/4 psig
2 psig
2 psig
4 psig
4 psig
7 psig
10 psig
12 psig
20 psig
150 psig
1 psig
2 psig
2 psig
2 psig
2 psig
3 psig
6 psig
8 psig
15 psig
22 psig
75 psig
For Steam and Other Applications: DA-431, -DAW-433, DAH-431
For General Pressure Applications: DA-421, DAW-423, DAH-421
316 S.S. Bourdon Tubes: DA-441, DAW-443, DAH-441
Range
No.
Adj.
Working
Range
Bourdon
Tube
Material
Minimum
Pressure Spread
Between
Switch
Operation
Fixed Differential
Each Switch
(Sensitivity)
Two-Stage Pressure Controls, Series D-400
Ranges and Differentials
Specification No. 4122.
One circuit opens on increase of
pressure; second circuit opens on further increase of pres-
sure.
Specification No. 4129.
One circuit closes on increase of
pressure; second circuit closes on further increase of pres-
sure..
Specification No. 4132.
Both circuits open at intermediate
pressure. One circuit closes on increase of pressure above
neutral zone; second circuit closes on decrease in pressure
below neutral zone.
Specification No. 4123.
Both circuits close at intermediate
pressure. One circuit opens on increase of pressure above
neutral zone; second circuit opens on decrease in pressure
below neutral zone.
Electrical Ratings D-400
See Code C on Page 4 in Electrical Rating Chart.
Spec. No.
Pressure
-4122
-4129
-4132
-4123
Switch
Mk.
“A”
“B”
“A”
“B”
“A”
“B”
“A”
“B”
Low
Pressure
Hi-Vac.
ON
ON
OFF
OFF
ON
OFF
OFF
ON
Intermediate
Pressure
OFF
ON
ON
OFF
OFF
OFF
ON
ON
High
Pressure
Lo-Vac.
OFF
OFF
ON
ON
OFF
ON
ON
OFF
Two Stage, Series D-400
Switch Operating Specifications
When ordering, select operation desired, add suffix number
to type number of control. Example: Type DA-431-4122.
Contact Position
0-30 Hg Vac
10” Hg Vac 12
1/8-15 psig
1/8-20 psig
1-35 psig
25” Hg Vac 50
2-60 psig
5-100 psig
5-150 psig
10-200 psig
10-300 psig
2
3
1
3A
4
27
5
6
7
8
9
2” Hg.
1 psig
1 psig
1 psig
1.75 psig
3.5 psig
3 psig
3.75 psig
6 psig
8 psig
12 psig
1” Hg.
0.5 psig
0.5 psig
0.5 psig
0.75 psig
2 psig
1 psig
2 psig
3 psig
3.5 psig
6 psig
0.2” Hg.
2 oz.
2 oz.
2 oz.
4 oz.
7 oz.
6 oz.
7 oz.
8 oz.
12 oz.
16 oz.
30” Hg Vac 60
30” Hg Vac 75
2-60 psig
5-100 psig
10-200 psig
10-300 psig
40-350 psig
25-600 psig
50-1000 psig
100-1500 psig
300-2500 psig
500-5000 psig
800-8000 psig
25S
26S
5S
6S
8S
9S
9AS
10S
11S
12S
13S
15S
16S
6 psig
8 psig
4 psig
6 psig
8 psig
14 psig
14 psig
25 psig
60 psig
90 psig
150 psig
450 psig
750 psig
3 psig
4 psig
2.5 psig
3 psig
4 psig
7 psig
7 psig
15 psig
40 psig
50 psig
100 psig
200 psig
400 psig
12 oz.
12 oz.
0.5 psig
0.75 psig
0.75 psig
1 psig
1 psig
2.5 psig
10 psig
12 psig
45 psig
150 psig
200 psig
30” Hg Vac 75
5-75 psig
10-100 psig
10-150 psig
10-300 psig
30-400 psig
75-800 psig
100-1000 psig
200-2500 psig
26E
23E
6E
24E
9E
21E
22E
11E
13E
7 psig
3 psig
7 psig
6 psig
18 psig
30 psig
75 psig
100 psig
210 psig
35 psig
2 psig
3.5psig
3 psig
5 psig
15 psig
35 psig
45 psig
110 psig
14 oz.
0.4 psig
14 oz.
0.75 psig
3 psig
5 psig
12 psig
18 psig
50 psig
Brass Bourdon
Tubes
403 Stainless Steel
Bourdon Tubes
316 Stainless Steel
Bourdon Tubes
Controls with Mercury Switches
Adjustable
Differential
Double Adjustment
for setting both ‘on and ‘off”
operating points
Maximum Differenial - full scale.
Minimum Differential listed below.
Fixed
Differenital
Single Adjustment
Adjustable operating point.
Differential fixed
NOT ADJUSTABLE
APPLICATION
Bourdon tube
Material
Adjustable
Operating
Range PSIG
Range
No.
DA-31
DA-531
DS-231
Series D Pressure Controls
Ranges and Differentials
DA-21
DA-521
DS-221
DA-41
DA-541
DS-241
Note:
Differentials listed
are for SP-ST operation
only. When controls
incorporate two mercury
switches for double
throw or two pole opera-
tion, the differentials are
approximately double
those shown for stan-
dard single pole, single
throw controls.
IN-0118 10/24/06 1:35 PM Page 3
