Visible Setpoint, Adjustable Deadband, Hermetically Sealed Snap Switch, Weatherproof and Explosion-proof
Diaphragm Operated Pressure Switches are weatherproof and economical. The design maintains a constant effective area to minimize friction.
Features
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Explosion-proof and weatherproof housing provides device protection for outdoor use or harsh environment operation
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Burst pressure protection prevents device failure where high-pressure surges may damage device costing down-time and repair/replacement
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Adjustable deadband reduces equipment cycling and potential failure
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Visible set-point and deadband adjustments provide an easy and fast check without having to open device causing dangerous conditions to operators
Product Applications
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Chemical, petroleum, food and drug processing industries
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Used indoor, outdoor or in explosion-proof area
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Pump control
Specifications
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Wetted Materials: See pressure chamber and diaphragm material in model chart.
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Temperature Limits: -30 to 180°F (-35 to 82°C) standard. ATEX compliant at Ambient Temperature -4 to 167°F (-20 to 75°C); Process Temperature -4 to 167°F (-20 to 75°C).
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Pressure Limit: 1200 psig (82.6 bar).
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Enclosure Rating: Weatherproof and Explosion-proof. Listed with UL and CSA for Class I, Groups B, C and D; Class II Groups E, F and G. ATEX Compliant CE 0344 Ex II 2 G EEx d IIC T6 Process Temperature 75°C. Weatherproof UL Rated Type 4. Meets NEMA 4X (IP66).
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Switch Type: SPDT or DPDT snap switch.
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Electrical Rating: See model chart.
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Electrical Connections: Screw terminal.
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Conduit Connection: 3/4" female NPT.
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Process Connection: 1/2" female NPT.
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Mounting Orientation: Within 20° of vertical.
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Set Point Adjustment: Internal 7/16" hex nuts.
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Weight: 3.5 lb (1.6 kg).
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Deadband: See deadband chart.
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Agency Approvals: ATEX, CE, CSA, UL.
