Series AT21823 ATEX/IECEx Approved 1823 Differential Pressure Switch
The 1823 in Flame-Proof Enclosure
This Series is no longer available, please see Series AT-1800 for the suggested replacement.
Please see Series 1800 for non-ATEX/IECEx approved.
Specifications
- Service:
- Air and non-combustible, compatible gases.
- Wetted Materials:
- Consult factory.
- Temperature Limits:
- -30 to 180°F (-34 to 82.2°C); 1823-00, -20 to 180°F (-28.9 to 82.2°C); (Note: Product temperature limits differ from case).
- Pressure Limits:
- 10 psig (68.95 kPa) continuous, 25 psig (172.4 kPa) surge.
- Switch Type:
- SPDT.
- Repeatability:
- ±2% FS.
- Electrical Rating:
- 15 A @ 120 to 480 VAC, 60 Hz. Resistive 1/8 HP @ 125 VAC, 1/4 HP @ 250 VAC, 60 Hz. De-rate to 10 A for operation at high cycle rates.
- Mounting Orientation:
- Diaphragm in vertical position.
- Set Point Adjustment:
- Screw type inside mounting spud internal to switch. External setpoint adjustment knob optional.
- Enclosure Rating:
- IP66. IP65 with option OPV, overpressure relief valve or external setpoint adjustment knob.
- Housing Material:
- Aluminum.
- Finishing:
- Texture epoxy coat RAL7038.
- Pressure Connections:
- 1/8" NPT female brass (SS optional). In presence of acetylene it is necessary to use SS.
- Electrical Connections:
- Two 1/2" FNPT. Cable gland not included.
- Weight:
- 11.9 lb (5.4 kg).
- ATEX Certificate:
- BVI 14ATEX0072.
- Agency Approvals:
- ATEX Compliant CE 1370 Ex II 2G Ex d IIC T6 Gb / II 2D Ex tb IIIC T85°C Db, -60°C=Tamb=+60°C IECEx Compliant: Ex d IIC T6 Gb / Ex tb IIIC T85°C Db
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