Pressure switches

Pressure switch options

Specifications, ranges, materials, approvals, process connections, outputs, and accessories can be supplied according to project requirements.

Watertight pressure switch

• Watertight miniature pressure switch designed for pressure control in harsh applications.
• Easy integration into custom equipment or systems.
• Ideal for pressure alarm, shutdown, or control where size or compatibility matters.
• 316L stainless steel enclosure provides strong protection.
• Pressure ranges from vacuum to 15,000 psi or 1000 bar.
• Wide operating temperature from -40°F to 212°F or -40°C to 100°C.
• Factory set or field adjustable setpoint with fixed deadband.
• Expanded selection of pressure and electrical connections.
• SIL 3 capable.
• UL, CSA, CE, CRN, and 3A approved.
• RoHS compliant and NSF-61 compliant.

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Explosion proof pressure switch

• Compact pressure switch for pressure control in harsh or hazardous applications.
• Compact 316L stainless steel housing and wetted materials.
• Explosion-proof housing provides strong protection.
• Pressure ranges from -15 psi vacuum to 15,000 psi.
• Wide operating temperature from -40°F to 192°F or -40°C to 89°C.
• Factory set or field adjustable setpoint with fixed deadband.
• Expanded selection of pressure and electrical connections.
• SIL 3 capable.
• FM, UL, CSA, ATEX, and IECEx hazardous approvals.
• CE, CRN, and 3A approved.
• RoHS compliant.

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NEMA 4X pressure switch

• Designed for industrial, OEM, and hydraulic system applications.
• Reliable long-cycle operation for pressure control, shutdown, or alarm duties.
• Special designs available for boiler, burner, NACE, and fire-safe applications.
• Special designs for UL fuel and steam limit control.
• Piston actuated for hydraulic applications.
• Adjustable setpoints from 15% to 100% of range.
• Fixed or limited adjustable deadband.
• Wide selection of switch elements.
• Stainless steel, Buna, Viton, Teflon, and Monel diaphragms available for compatibility.
• Internal setpoint locking screw.
• SIL 3 capable.
• FM, UL, CE, CRN, and 3A approved.
• RoHS compliant and NSF-61 compliant.

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NEMA 7/9 explosion proof pressure switch

• Designed for process, industrial, and OEM applications.
• Provides accuracy, reliability, and long-cycle life in hazardous applications.
• Rugged explosion-proof enclosure provides strong protection.
• Ideal for pressure control, safety shutdown, or alarm operations.
• Adjustable from 15% to 100% of range.
• Fixed or limited adjustable deadband.
• Wide selection of switch elements.
• Stainless steel, Buna, Viton, Teflon, and Monel diaphragms available for compatibility.
• Ranges from vacuum to 3000 psi.
• 316L stainless steel housing available.
• External locking screw available for ATEX and IECEx approval.
• UL, CSA, ATEX, and IECEx hazardous approvals.
• CE, CRN, and 3A approved.
• SIL 3 capable.
• RoHS compliant and NSF-61 compliant.

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Heavy-duty explosion proof pressure switch

• Designed for harsh applications where strong protection is required.
• Accurate and reliable switch with long-cycle life.
• Rugged explosion-proof housing provides superior protection.
• Ideal for pressure control, shutdown, or alarm operations.
• NEMA 7 and 9 explosion proof enclosure.
• Dual chamber design allows field calibration to be performed safely, even with power connected.
• Ranges from vacuum to 3000 psi.
• Wide selection of switch elements.
• Stainless steel, Buna, Viton, Teflon, and Monel diaphragms available for compatibility.
• UL and CSA hazardous approvals.
• CRN approved.
• RoHS compliant and NSF-61 compliant.

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