| |
Mercoid Series DA - DS Pressure
Switches - Operating Ranges & Deadbands |
|
| |
| WARNING: A failure
resulting in injury or damage may be caused by over-pressures,
excessive vibration or pressure pulsation, excessive temperature,
corrosion of pressure containing parts and movement assembly,
electrical overload or other misuse. Refer to installation
instructions or consult our engineers. |
| |
| SELECT YOUR OPERATING
RANGE/BOURDON TUBE MATERIAL |
|
Bourdon
Tube Material |
Range No. |
Adj.
Oper. Range (PSIG) |
Adjustable Deadband
|
|
|
Type DA, Double
Adjustments |
Fixed Deadband
|
|
Minimum Deadband
|
Type DS, Single
Adjustment |
|
Mercury
|
Mercury
|
Snap-Action
|
Mercury
|
Snap-Action
|
Snap-Action
|
|
Switch
|
Switch
SPST |
Switch
|
Switch
SPST |
Switch
SPDT |
Switch
(2) SPDT |
|
Code
A/B |
Code
H |
Code
D |
Code
I |
Code
E |
Code G |
|
|
DA-31
|
DA-531
|
DA-7031
|
DS-231
|
DS-7231-153
|
DS-7231-804
|
| |
2 |
0-30"
Hg Vac |
2" Hg
Vac |
1" Hg
Vac |
9" Hg
Vac- |
0.2"
Hg Vac |
3" Hg
Vac |
2" Hg
Vac |
|
BRASS |
3 |
10"
Hg Vac-12 |
1 psig |
0.5 psig |
4 psig |
2 oz. |
1.5 psig |
2" Hg
Vac |
|
BOURDON |
1 |
1/8-15 psig |
1 psig |
0.5 psig |
4 psig |
2 oz. |
1.5 psig |
1 psig |
|
TUBES |
3A |
1/8-20 psig |
1 psig |
0.5 psig |
4 psig |
2 oz. |
1.5 psig |
1 psig |
| |
4 |
1-35 psig |
1.75 psig |
0.75 psig |
5 psig |
4 oz. |
1.5 psig |
1.5 psig |
|
|
27 |
25"
Hg Vac-50 |
3.5 psig |
2 psig |
8 psig |
7 oz. |
2.5 psig |
2 psig |
| |
5 |
2-60 psig |
3 psig |
1 psig |
6 psig |
6 oz. |
2 psig |
1.5 psig |
| |
6 |
5-100 psig |
3.75 psig |
2 psig |
9 psig |
7 oz. |
2.5 psig |
2 psig |
|
|
7 |
5-150 psig |
6 psig |
3 psig |
16 psig |
8 oz. |
3 psig |
3 psig |
| |
8 |
10-200 psig |
8 psig |
3.5 psig |
16 psig |
12 oz. |
4 psig |
3.5 psig |
| |
9 |
10-300 psig |
12 psig |
6 psig |
25 psig |
16 oz. |
5 psig |
5 psig |
|
| |
DA-21 |
DA-521 |
DA-7021 |
DS-221 |
DS-7221-153 |
DS-7221-804 |
| |
25S |
30"
Hg Vac-60 |
6 psig |
3 psig |
12 psig |
1'2 oz. |
3.5 psig |
3 psig |
|
403 |
26S |
30"
Hg Vac-75 |
8 psig |
4 psig |
15 psig |
12 oz. |
3.5 psig |
3 psig |
|
STAINLESS |
5S |
2-60 psig |
4 psig |
2.5 psig |
9 psig |
0.5 psig |
3 psig |
2.5 psig |
|
STEEL |
6S |
5-100 psig |
6 psig |
3 psig |
13 psig |
0.75 psig |
3.5 psig |
3 psig |
|
BOURDON |
SS |
10-200 psig |
8 psig |
4 psig |
15 psig |
0.75 psig |
4 psig |
3.5 psig |
|
TUBES |
9S |
10-300 psig |
14 psig |
7 psig |
19 psig |
1 psig |
6 psig |
4.5 psig |
| |
9AS |
40-350 psig |
14 psig |
7 psig |
20 psig |
1 psig |
6 psig |
4.5 psig |
|
|
10S |
25-600 psig |
25 psig |
15 psig |
45 psig |
2.5 psig |
10 psig |
5.5 psig |
|
|
11 S |
50-1000 psig |
60 psig |
40 psig |
95 psig |
10 psig |
20 psig |
10 psig |
|
|
12S |
100-1500
psig |
90 psig |
50 psig |
130 psig |
12 psig |
30 psig |
25 psig |
|
|
13S |
300-2500
psig |
150 psig |
100 psig |
260 psig |
45 psig |
60 psig |
40 psig |
| |
15S |
500-5000
psig |
450 psig |
200 psig |
900psig |
150 psig |
200 psig |
110 psig |
|
- |
16S |
800-8000
psig |
750 psig |
400 psig |
1500 psig |
200 psig |
500 psig |
130 psig |
|
| |
DA-41 |
DA-541 |
DA-7041 |
DS-241 |
DS-7241-1S3 |
DS-7241-804 |
|
316 |
26E |
30"
Hg Vac-75 |
7 psig |
3.5 psig |
10 psig |
14 oz. |
3.5 psig |
4 psig |
|
STAINLESS |
23E |
5-75 psig |
3 psig |
2 psig |
8 psig |
0.4 psig |
4 psig |
2.5 psig |
|
STEEL |
6E |
10-100 psig |
7 psig |
3.5 psig |
10 psig |
14 oz. |
3.5 psig |
4 psig |
|
BOURDON |
24E |
10-150 psig |
6 psig |
3 psig |
11 psig |
0.75 psig |
4 psig |
2.5 psig |
|
TUBES |
9E |
10-300 psig |
18 psig |
5 psig |
28 psig |
3 psig |
8 psig |
5.5 psig |
| |
21E |
30-400 psig |
30 psig |
15 psig |
52 psig |
5 psig |
10 psig |
10 psig |
|
|
22E |
75-800 psig |
75 psig |
35 psig |
120 psig |
12 psig |
25 psig |
17 psig |
|
|
11E |
100-1000
psig |
100 psig |
45 psig |
190 psig |
18 psig |
35 psig |
30 psig |
|
|
13E |
200-2500
psig |
210 psig |
110 psig |
400 psig |
50 psig |
75 psig |
95 psig |
|
| |
|
Welded Bourdon
Tube - in case of fire prevents leakage of flammable hazardous
or toxic gases or liquids. Repeatability ± 1 % of full
scale. |
| |
SWITCH ACTIONS |
| For Snap-Action
Contacts
High DC Circuits |
|
Circuit
Suffix No. |
Switch
Action |
|
-153 |
SPDT, one circuit OPENS
as other CLOSES |
|
-804 |
Two SPDT, operate simultaneously
in one |
| |
direction upon increase
or decrease |
|
| |
| For Mercury Switch
Contacts |
|
Circuit
Suffix No. |
Switch Action |
|
-2 |
SPST, OPENS
on increase |
|
-3 |
SPST, CLOSES
on increase |
|
-153 |
SPDT, One
OPENS as other CLOSES |
|
-804 |
(2) SPDT,
Two OPEN as Two CLOSE |
|
| |
ELECTRICAL RATINGS |
| For Mercury Switch
Contacts |
|
Code |
Circuit Suffix
No. |
AC
Capacity |
DC
Resistive |
Horsepower |
|
|
|
AC
DC |
|
A |
-2, -3 |
|
|
3/4
1/3 |
|
B |
-153, -804 |
|
|
1 /8
NA |
|
H |
-2,-3 |
|
|
1/8
1/10 |
|
I |
-2, -3 |
|
|
NA NA |
|
| |
|
(1)153
circuit available 1A 440V AC on special order |
| (2) Also rated 0.9 Amps
at 24 V AC |
| |
| For Snap-Action
Contacts |
|
Code |
Circuit
Suffix No. |
AC Capacity |
DC Resistive |
Horsepower |
|
120V |
240V |
440V |
120V |
240 |
AC |
DC |
|
D
|
-153 |
15A |
15A |
15@ 480 |
1/2A |
1/4A |
1/8 |
N/A |
|
E
|
-153 |
15A |
15A |
NA |
Note 4 |
Note 4 |
Note 3 |
N/A |
|
G
|
-804 |
5A |
5A |
NA |
Note 5 |
Note 5 |
N/A |
N/A |
|
| |
| Note (3) 1/4 HP at 120V
AC, 1/2 HP at 240V AC |
| Note (4) DC rated controls
(up to 10 Amps) |
| Note (5) 5A, 30V DC resistive |
| |
| Please let us know if you
require a DPDT switch ! (option 804) |
|
