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Industry Applications Where Pressure Switches are Used

Ashcroft pressure switches are used across a wide range of industries to provide pressure monitoring, equipment protection, alarm functions, and automated process control.

Oil & Gas – Used for pressure monitoring, shutdown, alarm, and control functions in upstream, midstream, and downstream operations.
Chemical & Petrochemical – Used in corrosive, hazardous, and high-temperature process environments requiring reliable pressure control.
Power Generation – Used in steam, turbine, boiler, and auxiliary systems for equipment protection and process monitoring.
Water & Wastewater – Used in treatment, pumping, filtration, and distribution systems to maintain reliable operation.
Food & Beverage – Used in sanitary process applications requiring hygienic pressure monitoring and control.
Pharmaceutical & Biotechnology – Used in cleanroom, validated, and sanitary manufacturing environments.
High Purity & Semiconductor – Used in ultra-clean gas delivery systems and critical manufacturing processes requiring contamination-free operation.
Data Centers & Critical Environments – Used in cooling systems, critical HVAC equipment, and facility monitoring applications to support uptime and operational reliability.
HVAC & Refrigeration – Used for compressor protection, refrigerant monitoring, and building automation systems.
Manufacturing & Industrial Automation – Used in machine control, hydraulic systems, robotics, and automated production equipment.
Mobile Equipment & Construction – Used in hydraulic systems for off-highway vehicles, agricultural machinery, construction equipment, and heavy-duty mobile applications.
Hydrogen & Alternative Energy – Used in hydrogen production, storage, fueling, and other emerging energy applications.

Types of Pressure Switches

Ashcroft offers a broad range of pressure switches engineered to provide reliable pressure monitoring, control, and protection across industrial, process, OEM, and specialty applications. Available in mechanical and electronic designs for both pressure and differential pressure applications, these instruments offer options including explosion-proof and watertight enclosures help ensure reliable operation in hazardous and demanding environments.

Mechanical Pressure Switches – Provides dependable pressure monitoring and control using proven switching technology for industrial, process, hydraulic, and OEM applications.
Electronic Pressure Switches – Combines pressure measurement, programmable setpoints, digital displays, and advanced diagnostics for enhanced monitoring and automation.
Pressure Switches – Monitors system pressure and activates alarms, equipment, or control functions when a preset pressure setpoint is reached.
Differential Pressure Switches – Monitors pressure differences for filter status, flow verification, level measurement, and process control applications.
Explosion-Proof Pressure Switches – Used in hazardous locations where flammable gases, vapors, or dust may be present.
Watertight Pressure Switches – Withstands moisture, washdown conditions, and outdoor environments requiring enhanced environmental protection.

Related Resources

How to choose the Best Pressure Switch for Hydraulic Applications (resource)

What is SIL Certification for Pressure Switches? (resource)

NEMA 4/4X (Watertight) vs. NEMA 7/9 (Explosion Proof) Pressure Switches (resource)

When Should You Use an Electronic Pressure Switch? (resource)

Using Pressure Switches to Trigger Alarms or Process Shutdown (resource)

Product Approvals - For Hazardous Locations (resource)

What is a hazardous location? (resource)

Can Pressure Switches be Used to Monitor and Control Tank Level Pressure? (resource)

What is a Pressure Switch? (resource)

Cost of Industrial Mechanical Pressure Switches and Temperature Switches (resource)

What is Deadband on a Pressure Switch and How Does it Work? (resource)

Choosing the Right Microswitch for your Application (resource)

Class and Division Codes on Explosion-Proof Pressure Switches (resource)

CRN - Digital Gauge - Prince Edward Island (resource)

CRN - 0f2462-Transducer & Switch - British Columbia (resource)

How Much Do Temperature Sensors Cost? (resource)

CRN - Transducer & Switch - Prince Edward Island (resource)

CRN - Transducer & Switch - Newfoundland & Labrador (resource)

CRN - Transducer - Switch - 0f2462-5add7 - Northwest - Territories (resource)

CRN - Transducer - Switch - 0f2462-5add7 - Nunavut (resource)

CRN - Transducer & Switch - Yukon (resource)

CRN - Transducer - Switch - 0f2462-5add7 - New Brunswick (resource)

CRN - Pressure Switch - B-L-G-P - Quebec (resource)

CRN - Pressure Switch - B-L-G-P - Saskatchewan (resource)

CRN - Switches - B-L-G-P - British Columbia (resource)

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Pressure Switches

Find the optimal Ashcroft® pressure switches for your application by using the filtering options provided.