Dwyer 1950G Explosion-Proof Differential Pressure Switch for Natural Gas
Prices starting at:
Price
$530.40
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SKU
1950G
Explosion-proof and rain-tight differential pressure switch for air and natural gas. Operating ranges from 0.07" to 20" WC. Form C SPDT relay output. AC or DC power. UL, CSA, FM approvals.
- For natural gas applications
- Operating differential pressure ranges from 0.07" to 20" WC
- Pressure limits: 45" WC continuous; 10 PSIG surge
- Form C SPDT relay output
- External setpoint screw simplifies adjustments without opening or disassembling enclosure
- 1/8" NPTF process, internal terminal block electrical connections
- 24 VDC, 120 or 240 VAC powered models optional
- NEMA 3/IP54, NEMA 7 and 9 explosion-proof, rain-tight, weatherproof housing provides protection for outdoor use or harsh environment operation
- UL listed for use in Class I, Groups A-D; Class II, Groups E-G and Class III atmospheres; CSA and FM approved for Class I, Div. 1, Groups B-D; Class II, Div. 1, Groups E-G and Class III environments; ATEX and IECEx approved models available
Model Selection Guide
Use this table to find the right model for your application. Don't see the option you need? Call a Lesman sales specialist at 800-953-7626.
| Operating Range | Deadband | Click for Price and Availability | ||
|---|---|---|---|---|
| Min Setpoint | Max Setpoint | 24 VDC Power | 120 VAC Power | |
| 0.07" to 0.15" WC | 0.04 | 0.06 | 1950G-00-B-24-NA | 1950G-00-B-120-NA |
| 0.15" to 0.50" WC | 0.06 | 0.11 | 1950G-0-B-24-NA | 1950G-0-B-120-NA |
| 0.4" to 1.6" WC | 0.11 | 0.29 | 1950G-1-B-24-NA | 1950G-1-B-120-NA |
| 1.4" to 5.5" WC | 0.4 | 0.9 | 1950G-5-B-24-NA | 1950G-5-B-120-NA |
| 3" to 11" WC | 0.9 | 1.8 | 1950G-10-B-24-NA | 1950G-10-B-120-NA |
| 4" to 20" WC | 1.2 | 3.0 | 1950G-20-B-24-NA | 1950G-20-B-120-NA |
Call for 230 VAC power or ATEX, IECEx approved models.
| Measured Variable | Differential Pressure |
|---|---|
| Enclosure/Construction | IP54, NEMA 7, NEMA 9 |
| Switch Output | SPDT |
| Sensor Type | Diaphragm |
| Adjustment | External Adjustment |
| Measuring Range | 0.07" to 20" WC |
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