Dwyer Series DP Double Bellows Differential Pressure
Switches
|
| Visible Setpoints, Adjustable or Fixed Deadband,
High Pressure Ranges |
|
 Two
opposing bellows combine maximum sensitivity and vibration
resistance with moderate cost in the Series DP differential
pressure switches. Both set and reset points are easily adjustable
through non-interactive, externally accessible controls. Visible
setpoint indicators simplify changes. SPDT snap action or
mercury switch, 316 stainless steel or brass bellows, flanged
steel housing. Rated pressures to 600 psig.
See
Dimensions
|
| OPTIONAL ENCLOSURES |
Weatherproof Housing - to order add “W”
suffix after DPA. Example: D P A W - 7033-153-61
Explosion-Proof Housing - to order add “E” suffix
after DPA. Example: D P A E - 7033-153-61 |
| NOTE: Mercury switch units are not CE approved. |
| Popular Snap Action Switch SPDT, 15A @
120/240 VAC |
Model
Number |
Bellows
Material |
Range
psid (bar) |
Max.
Press psig (bar) |
Min.
D.B. psid (bar) |
| DPA-7033-153-61 |
Brass |
0-10
(0-0.7) |
50
(3.5) |
1.5
(.10) |
| DPA-7033-153-62 |
Brass |
0-20
(0-1.4) |
100
(6.9) |
2.5
(.17) |
| DPA-7033-153-64 |
Brass |
0-30
(0-2.1) |
300
(20.7) |
6.0
(.41) |
| DPA-7043-153-62E |
316SS |
0-20
(0-1.4) |
100
(6.9) |
3.0
(.21) |
| DPA-7043-153-64E |
316SS |
0-30
(0-2.1) |
300
(20.7) |
6.0
(.41) |
| DPA-7043-153-65E |
316SS |
0-80
(0-5.5) |
600
(41.4) |
20
(1.4) |
|
| DPS-7233-153-61 |
Brass |
0-10
(0-0.7) |
50
(3.5) |
0.5
(.03) |
| DPS-7233-153-62 |
Brass |
0-20 (0-1.4) |
100 (6.9) |
1.0 (.07) |
| DPS-7233-153-64 |
Brass |
0-30 (0-2.1) |
300 (20.7) |
1.5 (.10) |
| DPS-7243-153-62E |
316SS |
0-20 (0-1.4) |
100 (6.9) |
1.5 (.10) |
| DPS-7243-153-64E |
316SS |
0-30 (0-2.1) |
300 (20.7) |
2.0 (.14) |
| DPS-7243-153-65E |
316SS |
0-80 (0-5.5) |
600 (41.4) |
6.0 (.41) |
|
| Popular Mercury Switch SPDT, 4A @ 120,
2A @ 240 AC/DC |
Model
Number |
Bellows
Material |
Range
psid (bar) |
Max.
Press psig (bar) |
Min.
D.B. psid (bar) |
| DPA-33-153-61 |
Brass |
0-10
(0-0.7) |
50
(3.5) |
1.0
(.07) |
| DPA-33-153-62 |
Brass |
0-20
(0-1.4) |
100
(6.9) |
1.5
(.10 ) |
| DPA-33-153-64 |
Brass |
0-30
(0-2.1) |
300
(20.7) |
3.0
(.21) |
| DPA-43-153-62E |
316SS |
0-20
(0-1.4) |
100
(6.9) |
2.0
(.14) |
| DPA-43-153-64E |
316SS |
0-30
(0-2.1) |
300
(20.7) |
3.5
(.24) |
| DPA-43-153-65E |
316SS |
0-80
(0-5.5) |
600
(41.4) |
16
(1.1) |
|
