Series 1910 in Flame-Proof Enclosure
ATEX/IECEx Approved 1910 Differential Pressure Switch combines advanced design and precision construction to make these switches able to perform many of the tasks of larger, costlier units.
Features
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Flame-proof ATEX enclosure protects the device in hazardous areas
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Compact size and repeatability, provides a high-value switch for many industrial and OEM applications
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Wide range of models from 0.07 in w.c. to 20 in w.c. can meet exacting OEM specifications for a low pressure switch
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Range screw protected inside switch enclosure prevents tampering
Product Applications
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Hazardous area low pressure applications
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Air conditioning refrigeration coil icing detection; defrost cycle initiation
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Clogged filter detection
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Variable air volume controller
Specifications
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Service: Air and non-combustible, compatible gases.
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Wetted Materials: Consult factory.
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Temperature Limits: -30 to 180°F (-34 to 82.2°C); (Note: Product temperature limits differ from case).
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Pressure Limits: 45 in w.c. (11.2 kPa) continuous, 10 psig (68.95 kPa) surge.
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Switch Type: SPDT.
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Repeatability: ±3% FS.
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Electrical Rating: 15 A @ 120 to 480 VAC, 60 Hz. Resistive 1/8 HP @ 125 VAC, 1/4 HP @ 250 VAC, 60 Hz. Derate to 10 A for operation at high cycle rates.
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Mounting Orientation: Diaphragm in vertical position.
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Set Point Adjustment: Screw type on pressure switch inside the Exd enclosure accessible by hole with plug on housing. Setpoint regulation must be done with instrument de-energized. Follow instructions and safety warning to open cover.
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Enclosure Rating: IP66. IP65 with option OPV, overpressure relief valve.
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Housing Material: Aluminum.
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Finishing: Texture epoxy coat RAL7038.
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Pressure Connections: 1/8" NPT female brass (SS optional). In presence of acetylene it is necessary to use SS.
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Electrical Connections: Two 1/2" FNPT. Cable gland not included.
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Weight: 7.49 lb (3.4 kg).
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ATEX Certificate: BVI 14ATEX0072.
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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
