Mô tả sản phẩm
Công Tắc Chênh Áp Series 1950
| Model |
: |
SERIES 1950 |
| Manufacturer |
: |
DWYER |
| Origin |
: |
USA |
| Service |
: |
Air and non-combustible, compatible gases. |
| Wetted Materials |
: |
Consult factory. |
| Temperaturer Limits |
: |
-40 to 140°F (-40 to 60°C); 0 to 140°F (-17.8 to 60°C) for 1950P-8, 15, 25, and 50. -30 to 130°F (-34.4 to 54.4°C) for 1950-02. |
| Pressure Limits |
: |
Continuous: 1950's - 45" w.c. (0.11 bar); 1950P's -35 psi (2.41 bar); 1950P-50 only - 70 psi (4.83 bar). Surge: 1950's - 10 psi (0.69 bar), 1950P's - 50 psi (3.45 bar), 1950P - 50 only - 90 psi (6.21 bar). |
| Enclosure Rating |
: |
NEMA 3 (IP54), NEMA 7 & 9. |
| Switch Type |
: |
Single-pole double-throw (SPDT). |
| Electrical Rating |
: |
15 A @, 125, 250, 480 VAC, 60 Hz. Resistive 1/8 HP @ 125 VAC, 1/4 HP @ 250 VAC, 60 Hz. |
| Electrical Connections |
: |
3 screw type, common, normally open and normally closed. |
| Process Connections |
: |
1/8" female NPT. |
| Mounting Orientation |
: |
Diaphragm in vertical position. Consult factory for other position orientations. |
| Set Point Adjustment |
: |
Screw type on top of housing. |
| Weight |
: |
3.25 lb ( 1.5 kg); 1950-02 model, 4.4 lb (2 kg) |
| Agency Approvals |
: |
CE, UL, CSA, FM. |
Operating Ranges and Dead Bands
| Model |
Range, Inches W.C. |
Approximate Dead Band at |
| Min. Set Point |
Max. Set Point |
1950-02-2S
1950-00-2F
1950-0-2F
1950-1-2F
1950-5-2F
1950-10-2F
1950-20-2F |
.03 to .10
.07 to .15
.15 to .50
.4 to 1.6
1.4 to 5.5
3 to 11
4 to 20 |
.025
.04
.10
.15
.30
.40
.40 |
.05
.05
.15
.20
.40
.50
.60 |
| Model* |
Range, Inches W.C. |
Approximate Dead Band at |
| Min. Set Point |
Max. Set Point |
1950P-2-2F
1950P-8-2F
1950P-15-2F
1950P-25-2F
1950P-50-2F |
0.5 to 2
1.5 to 8
3 to 15
4 to 25
15 to 50 |
.3
1.0
.9
.7
1.0 |
.3
1.0
.9
.7
1.5 |
CAUTION: For use only with air or compatible gases. Applications with hazardous atmospheres and a single positive pressure may require specical venting. *P=PSID range models
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