DPDT Air Pressure Switches

Description: (N.C.). SPDT reed switches also are available. DPDT relays are offered for high inductance applications, such as those incorporating motors or solenoids. Transmitters offer a current or voltage output. Features Heavy duty -- to 10,000 psi line pressure

• Accuracy: 2 ±% FS
• Display: Analog Meter
• Material to Measure: Liquid, Gas
• Normally Open/Closed: Normally Open, Normally Closed

Description: sensor designs. While being sensitive they also handle high line pressures up to 150 psi! Note: Select these diaphragm models for air or gas applications or where fluid migration from the high to low pressure ports cannot be tolerated. Switches, Relays, Transmitters

• Accuracy: 2 ±% FS
• Display: Analog Meter
• Electrical Output: Analog Voltage, Analog Current
• Media: Liquid, Gas

Description: offered normally open (N.O.) or normally closed (N.C.). SPDT reed switches also are available. DPDT relays are offered for high inductance applications, such as those incorporating motors or solenoids. Transmitters offer a current or voltage output. Calibration Liquid Flowmeters

• End Fittings: Threaded
• Gas Volumetric Flow Rate: 2 to 20 SCFM
• Media Temperature Range: 200 F
• Meter Technology: Differential Pressure Meter

Description: switch with Oil-Rite relay No. A3160, A3138, or A4621, having a DPDT switch for 10 AMPS, 115V/60Hz Liquid Seal Principle When liquid consumption causes the liquid in the bearing to recede, the liquid seal on the inside of lubricator is temporarily broken, allowing air

• Capacity: 1 gallons
• Delivery Method: Constant Level
• Features: Low Level Safety Switch

Description: switch with Oil-Rite relay No. A3160, A3138, or A4621, having a DPDT switch for 10 AMPS, 115V/60Hz Liquid Seal Principle When liquid consumption causes the liquid in the bearing to recede, the liquid seal on the inside of lubricator is temporarily broken, allowing air

• Capacity: 0.5000 gallons
• Delivery Method: Constant Level
• Features: Low Level Safety Switch

Description: (N.O.) or normally closed (N.C.). SPDT reed switches are also available. DPDT relays are offered for high inductance applications, such as those incorporating motors or solenoids. Calibration Liquid Flowmeters For liquids our meters are calibrated to customer specified

• Accuracy: 2 ±%
• Approvals: Other
• Electrical Output: Switch
• End Fittings: Threaded

Description: Pressure = 0psi Maximum Operating Pressure = 0.04 psi Pressure Type = Differential Suitable Media = Air, Gas, Non Combustible Connection = NPT 1/8 in Female Type = Pressure Switch/Gauge Voltage Rating = 120V ac Connection Thread Size = 1/8 in Manufacturer

• Switched AC Volts: 120 volts
• Vacuum Range: 2.07 torr

Description: Pressure = 0psi Maximum Operating Pressure = 0.54 psi Pressure Type = Differential Suitable Media = Air, Gas, Non Combustible Connection = NPT 1/8 in Female Type = Pressure Switch/Gauge Voltage Rating = 120V ac Connection Thread Size = 1/8 in Manufacturer

• Switched AC Volts: 120 volts
• Vacuum Range: 27.92 torr

Description: Pressure = 0psi Maximum Operating Pressure = 0.36 psi Pressure Type = Differential Suitable Media = Air, Gas, Non Combustible Connection = NPT 1/8 in Female Type = Pressure Switch/Gauge Voltage Rating = 120V ac Connection Thread Size = 1/8 in Manufacturer

• Switched AC Volts: 120 volts
• Vacuum Range: 18.62 torr

Description: Pressure = 0psi Maximum Operating Pressure = 0.18 psi Pressure Type = Differential Suitable Media = Air, Gas, Non Combustible Connection = NPT 1/8 in Female Type = Pressure Switch/Gauge Voltage Rating = 120V ac Connection Thread Size = 1/8 in Manufacturer

• Switched AC Volts: 120 volts
• Vacuum Range: 9.31 torr

Description: DPDT switch for 10 AMPS, 115V/60Hz. Liquid Seal Principle When liquid consumption causes the liquid in the bearing to recede, the liquid seal on the inside of lubricator is temporarily broken, allowing air from the air vent to enter the lubricator’s reservoir. This causes

• Capacity: 0.5000 gallons
• Delivery Method: Constant Level
• Features: Adjustable Volume, Low Level Safety Switch

Description: DPDT switch for 10 AMPS, 115V/60Hz. Liquid Seal Principle When liquid consumption causes the liquid in the bearing to recede, the liquid seal on the inside of lubricator is temporarily broken, allowing air from the air vent to enter the lubricator’s reservoir. This causes

• Capacity: 1 gallons
• Delivery Method: Constant Level
• Features: Adjustable Volume, Low Level Safety Switch

Description: Heavy industrial processes rely on 120 Series pressure and temperature switches to protect equipment and personnel while preserving process uptime. The 120 Series is simple to install in hazardous location areas and perform critical alarm, safety and emergency shutdown functions. As an

• Features: Temperature Output
• Material to Measure: Gas
• Number of Poles: Single Pole, Double Pole
• Number of Throws: Double Throw

Description: The 12 Series offers process end-users and OEMs, safety and control reliability in a rugged, compact design for alarm and emergency shutdown applications. It is certified to the requirements of ANSI/ISA 12.27.01 and NFPA 70 that stress the importance of properly sealing electrical equipment to

• Features: Temperature Output
• Material to Measure: Gas
• Number of Poles: Single Pole, Double Pole
• Number of Throws: Double Throw

Description: The 100 Series is simple to install and operate for alarm, safety and emergency shutdown applications where preserving process uptime, and protecting personnel and equipment are paramount. A rugged switch, the 100 Series is ideal for both heavy industry and the OEM, and carries global agency

• Features: Temperature Output
• Material to Measure: Gas
• Number of Poles: Single Pole, Double Pole
• Number of Throws: Double Throw

Description: Series 3000 pressure switches convert a pressure signal to an electrical output. In response to a change in pressure, movement of an elastomeric diaphragm opens or closes an electrical circuit based on a predetermined pressure set point. The Series 3000 features

• Material to Measure: Liquid, Gas
• Number of Throws: Single Throw, Double Throw
• Number of Poles: Single Pole, Double Pole
• Operating Temperature: 32 to 190 F

Description: Series 3000 pressure switches convert a pressure signal to an electrical output. In response to a change in pressure, movement of an elastomeric diaphragm opens or closes an electrical circuit based on a predetermined pressure set point. The Series 3000 features

• Material to Measure: Liquid, Gas
• Number of Throws: Single Throw, Double Throw
• Number of Poles: Single Pole, Double Pole
• Operating Temperature: 32 to 190 F

Description: The 117 Series is simple to install and operate for alarm, safety and emergency shutdown applications where preserving process uptime, and protecting personnel and equipment are paramount. A hermetically sealed switch protects switch contacts from dust, water, corrosive gas, and other

• Features: Temperature Output
• Material to Measure: Gas
• Number of Poles: Single Pole, Double Pole
• Number of Throws: Double Throw

Description: 12 Series switches are ideal for operation in harsh explosive environments where space is at a premium. A snap-action Belleville spring assembly is used to provide vibration resistance and prolonged switch life. A hermetically sealed switch and stainless steel enclosure provide

• Accuracy: 0.0150 ±% FS
• Deadband: 0.7000 to 3.4 psi
• Material to Measure: Liquid, Gas, Hazardous
• Normally Open/Closed: Normally Open

Description: The Model 240 carries global certifications from CSA, UL, and ATEX. The diaphragm isolated Differential Pressure Switch is CSA Certified to both the Canadian and U.S. Standards and U.L. Listed to the U.S. Standards. In addition, it is certified to the ATEX directive Ex d, IIB + H2

• Accuracy: 2 ±% FS
• Display: Analog Meter
• Material to Measure: Liquid, Gas, Hazardous
• Normally Open/Closed: Normally Open

Description: Series 2300 Pressure Switches provide miniaturized instrumentation for detecting either pressure gain, or loss in pressurized systems. Designed to aerospace quality standards, these units provide high reliability even after 1,000,000 switching cycles. Rugged

• Material to Measure: Liquid, Hazardous
• Number of Throws: Double Throw
• Number of Poles: Single Pole, Double Pole
• Operating Temperature: -65 to 275 F

Description: 12 Series switches are ideal for operation in harsh explosive environments where space is at a premium. A snap-action Belleville spring assembly is used to provide vibration resistance and prolonged switch life. A hermetically sealed switch and stainless steel enclosure provide

• Accuracy: 0.0150 ±% FS
• Deadband: 1.45 to 10.15 psi
• Material to Measure: Liquid, Gas, Hazardous
• Normally Open/Closed: Normally Open

Description: Model VM is a simple, reliable low cost Vacuum switch that uses a spring loaded diaphragm as the sensing element. A Buna-N diaphragm is standard however a selection of other diaphragm materials are optionally available. In operation, the diaphragm actuates a snap action electrical

• Material to Measure: Gas
• Normally Open/Closed: Normally Open, Normally Closed
• Number of Throws: Single Throw, Double Throw
• Number of Poles: Single Pole, Double Pole

Description: Ashcroft® watertight NEMA rated and explosion proof pressure switches are designed for pressure control in harsh applications. Its design allows easy integration into custom equipment or systems. This model is ideal for pressure alarm, shutdown or control where size or

• Display: Digital
• Material to Measure: Liquid, Gas
• Number of Throws: Single Throw, Double Throw
• Number of Poles: Single Pole, Double Pole

Description: size SPDT electric switches• Electric switches are available in a variety of configurations including adjustable switch differential (dead band), DPDT, high-low operation, manual reset• Many switching configurations can be supplied with electric switches

• Deadband: 0.1000 to 5 psi
• Material to Measure: Liquid, Gas
• Normally Open/Closed: Normally Open, Normally Closed
• Number of Throws: Double Throw

Description: incorporates Winters' standard accurate switching mechanism, and can be specified watertight or explosion proof• Housing is large enough to accommodate up to four full size SPDT electric switches• Standard differential pressure-sensing element is constructed of a strong aluminum

• Deadband: 0.3000 to 4.2 psi
• Material to Measure: Liquid, Gas
• Normally Open/Closed: Normally Open, Normally Closed
• Number of Throws: Double Throw

Description: Description & Features:• Constructed using a rugged cast aluminum housing that incorporates Winters' standard accurate switching mechanism actuated by stainless steel differential pressure bellows assemblies• Housing can be specified watertight or explosion proof• Housing is

• Deadband: 0.3500 to 90 psi
• Material to Measure: Liquid, Gas
• Normally Open/Closed: Normally Open, Normally Closed
• Number of Throws: Double Throw

Description: the diaphragm is fully supported• Design is symmetric such that both the high or low pressure sides of the element can withstand the maximum pressure with the opposite side at atmospheric pressure• Rugged cast aluminum housing incorporates Winters' standard accurate

• Deadband: 1.1 to 3.8 psi
• Material to Measure: Liquid, Gas
• Normally Open/Closed: Normally Open, Normally Closed
• Number of Throws: Double Throw

Description: available in pressure ranges up to 7500 psi with a high proof pressure of 15,000 psi, these pressure switches come with a SPDT or DPDT limit switch. The rugged design provides you with the reliability you need for your mission critical applications. Features

• Accuracy: 2 ±% FS
• Deadband: 1 to 60 psi
• Material to Measure: Liquid, Gas
• Normally Open/Closed: Normally Open, Normally Closed

Description: 3.5 to 100 psi (0.24 to 7 bar) Field Adjustable Economical These miniature pressure switches are designed for demanding applications where space and/or price are strong concerns. The switches utilize a piston/diaphragm design, which incorporates the high

• Accuracy: 2 ±% FS
• Deadband: 1.5 to 5 psi
• Material to Measure: Liquid
• Normally Open/Closed: Normally Open, Normally Closed

Description: 10 to 5000 psi (0.7 to 344 bar) Adjustable or Factory Set Multiple Fittings, Electrical Ranges and Terminations These versatile general purpose hydraulic pressure switches and pneumatic pressure switches coupled with our snap action micro switches can be

• Accuracy: 2 to 4 ±% FS
• Deadband: 3.5 to 140 psi
• Material to Measure: Liquid
• Normally Open/Closed: Normally Open, Normally Closed

Description: These versatile microswitch based pressure switches are designed for high pressure OEM applications. They offer all the performance of our proven PS75 model with the low temperature capability of Kapton®.

• Accuracy: 3 ±% FS
• Deadband: 5 to 55 psi
• Material to Measure: Liquid
• Normally Open/Closed: Normally Open, Normally Closed

Description: 5 to 6000 psi (0.35 to 414 bar) Wear Disc Design for Longer Life Gems™ PS75 series pressure switches have all metal surfaces for overload stops and deliver reliable operation under extremely high pressure surges. They are designed with a wear disc and

• Accuracy: 2 to 4 ±% FS
• Deadband: 3 to 200 psi
• Material to Measure: Liquid
• Normally Open/Closed: Normally Open, Normally Closed

Description: Ashcroft® Differential Pressure Switchs are designed for use on most applications requiring reliability and long-cycle life. Ideal for satisfying requirements for pressure control, shutdown or alarm operations. Adjustable setpoints from 15%-100% of range

• Display: Digital
• Material to Measure: Liquid, Gas, Hazardous
• Number of Throws: Single Throw
• Number of Poles: Single Pole, Double Pole

Description: Series TBS3000 fixed set point pressure switches and VTBS3000 f ixed set point vacuum switches convert a pressure signal to an electrical output. In response to a change in pressure, movement of an elastomeric diaphragm opens or closes an electrical circuit based

• Material to Measure: Liquid, Gas
• Number of Throws: Single Throw, Double Throw
• Number of Poles: Single Pole
• Operating Temperature: 70 to 160 F

Description: Series 4000 pressure switches convert a pressure signal to an electrical output. In response to a change in pressure, movement of an elastomeric diaphragm opens or closes an electrical circuit based on a predetermined pressure set point. The Series 4000 features

• Material to Measure: Liquid, Gas
• Number of Throws: Single Throw, Double Throw
• Number of Poles: Single Pole
• Operating Temperature: 32 to 190 F

Description: ECONOMICAL PRESSURE SWITCH, OEM,

• Number of Poles: Single Pole
• Number of Throws: Double Throw
• Operating Temperature: -4 to 167 F
• Pressure Reading: Gauge, Sealed

Description: Pressure Sensor

• Accuracy: 2 ±% FS
• Number of Poles: Single Pole
• Number of Throws: Double Throw
• Operating Temperature: -40 to 248 F

Description: DIFFERENTIAL PRESSURE SWITCH, BR

• Number of Poles: Single Pole
• Number of Throws: Double Throw
• Operating Temperature: 30.2 to 140 F
• Pressure Reading: Differential

Description: The KPS switches range covers most outdoor as well as indoor application requirements, and are suitable for use in alarm and regulation systems in factories, diesel plant, compressors, powerstation and on board ships. Pressure ranges: 0 to 60 bar Gold plated contact systems

• Material to Measure: Liquid, Gas
• Number of Throws: Double Throw
• Number of Poles: Single Pole
• Operating Temperature: -40 to 158 F

Description: Danfoss KP pressure switches are used for regulating, monitoring and alarm systems in industrial applications. The KP series are suitable for gaseous media and air. They are fitted with a single-pole switch changeover (SPDT), and can control single-phase ac motors of up

• Material to Measure: Liquid, Gas
• Number of Throws: Double Throw
• Number of Poles: Single Pole
• Operating Temperature: -40 to 149 F

Description: MBC pressure switches are used in marine applications where space and reliability are the most important features. MBCs are compact pressure switches, designed according to our new block design to survive in the harsh conditions known from machine rooms onboard ships.

• Material to Measure: Liquid, Gas
• Number of Throws: Double Throw
• Number of Poles: Single Pole
• Operating Temperature: -40 to 185 F

Description: The 400 Series is a versatile family of pressure, differential pressure and temperature switches for applications which require single or multiple switching capabilities. Dual or triple switch versions provide multi-output in applications such as alarm and

• Deadband: 0.0029 to 0.0363 psi
• Features: Alarm Indicator
• Material to Measure: Gas
• Number of Throws: Double Throw

Description: Stable switching point setting Converts pneumatic and hydraulic pressure into switching functions Excellent repeatability of ±2% of Full Scale, designed for applications requiring maximum accuracy under high loads Robust design with zinc die-cast housing

• Material to Measure: Liquid, Gas
• Normally Open/Closed: Normally Open, Normally Closed
• Number of Throws: Double Throw
• Number of Poles: Single Pole

Description: These switches sense a change in the pressure, opening or closing an electrical circuit when the designated set point is reached. Honeywell S&C offers an impressive line of standard products, but our engineering expertise and understanding afford us the ability to modify existing parts

• Material to Measure: Liquid, Gas
• Number of Throws: Single Throw, Double Throw
• Pressure Reading: Absolute
• Sensor Technology: Mechanical Deflection

Description: These pressure switches are durable, reliable electromechanical gauge pressure on/off switches that are available with either single pole single throw (SPST) normally open or normally closed circuitry, or single pole double throw (SPDT) circuitry. Their high proof

• Material to Measure: Liquid, Gas
• Number of Throws: Single Throw, Double Throw
• Pressure Reading: Absolute, Gauge
• Sensor Technology: Mechanical Deflection

Description: These switches sense a change in the pressure, opening or closing an electrical circuit when the designated set point is reached. Honeywell S&C offers an impressive line of standard products, but our engineering expertise and understanding afford us the ability to modify existing parts

• Material to Measure: Liquid, Gas
• Number of Throws: Single Throw, Double Throw
• Pressure Reading: Absolute
• Sensor Technology: Mechanical Deflection