DPDT Air Pressure Switches

Description: Piston Sensor Differential Pressure Gauges These piston sensor differential pressure gauges measure the pressure difference between two points. Acting in the place of two pressure gauges, these units allow for one simple reading on an easy-to-read scale. Popular in

• Accuracy: 2 ±% FS
• Operating Temperature: 175 F
• Switched Current: 0.25 to 0.7 amps
• Switched AC Volts: 120 to 240 volts

Description: 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 A variety of reed switches and

• Working Pressure Range: 0 to 50 psi
• Dial Diameter: 2.5 to 6 inch
• Pressure Connection Size: 0.125 to 0.5 inch
• Accuracy: 2 ±% FS

Description: proper liquid level is reached, at which time the liquid seal in the lubricator is reestablished. For optimum performance, it is recommended that the 1/8” female NPT air vent be piped back to the bearing housing or gear box to equalize any existing pressure or vacuum. Piping the

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

Description: proper liquid level is reached, at which time the liquid seal in the lubricator is reestablished. For optimum performance, it is recommended that the 1/8” female NPT air vent be piped back to the bearing housing or gear box to equalize any existing pressure or vacuum. Piping the

• Capacity: 0.5 gallons
• Delivery: Constant Level
• Features: Low Level Safety Switch

Description: is reestablished. For optimum performance, it is recommended that the 1/8” female NPT air vent be piped back to the bearing housing or gear box to equalize any existing pressure or vacuum. Piping the air inlet also creates a closed circuit that prevents dust and dirt from

• Capacity: 0.5 gallons
• Features: Adjustable Volume, Low Level Safety Switch
• Delivery: Constant Level

Description: wide selection of standard options; enough to satisfy any requirement. Switches, Relays, Transmitters A variety of reed switches, relays and transmitters can accompany the gauges or be supplied on their own, without a dial. SPST switches are offered normally open (N.O.) or

• Media Temperature Range: 200 F
• Liquid Volumetric Flow Rate: 0 to 4 GPM
• Operating Pressure: 5,000 psi
• Operating Temperature: 32 to 200 F

Description: Pressure Sensor

• Working Pressure Range: 70 psi
• Accuracy: 2 ±% FS
• Operating Temperature: -40 to 248 F
• Number of Throws: Double Throw

Description: The 54 Series offers OEMs and light industrial users a cost-effective, reliable switch for alarm and shutdown applications. It is simple to install and operate and complies with North American approvals as well as CE Low Voltage (LVD) and Pressure Equipment Directives (PED) for Europe. OEMs

• Vacuum Range: -1.9999999999996345 to 311,049.44799999986 torr
• Operating Temperature: -40 to 160 F
• Number of Throws: Double Throw
• Material: Gas

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

• Vacuum Range: -1.9999999999996345 to 311,049.44799999986 torr
• Operating Temperature: -58 to 160 F
• Pressure Measurement: Differential, Gauge, Vacuum
• Number of Poles: Double Pole, Single Pole

Description: Series DPI Indicator designed to show at a glance if maximum filter pressure has been exceeded. 1/8″ FNPT connections with 0-15 PSID or 0-30 PSID Gauge; PVC or CPVC. Series DPIS includes optional switch.

• Working Pressure Range: 0 to 15 psi
• Operating Temperature: 0 to 150 F
• Dial Diameter: 1 inch
• Pressure Connection Size: 0.125 inch

Description: The J21K Series is simple to install and operate for alarm, safety and emergency shutdown applications requiring a higher switch sensitivity. It monitors the difference between two system pressures or vacuum using sealed, opposing bellows sensors. As an electromechanical switch, it can safely

• Vacuum Range: -1.9999999999996345 to 5,414.341719999998 torr
• Operating Temperature: -40 to 160 F
• Pressure Measurement: Differential, Vacuum
• Number of Throws: Double Throw

Description: The 24 Series Delta-Pro offers OEMs and light industrial users a cost-effective, reliable switch for alarm and shutdown applications. It is simple to install and operate and complies with North American approvals as well as CE Low Voltage (LVD) and Pressure Equipment Directives (PED) for

• Vacuum Range: -1.9999999999996345 to 5,414.341719999998 torr
• Operating Temperature: -20 to 180 F
• Pressure Measurement: Differential, Gauge, Vacuum
• Number of Throws: Double Throw

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

• Switch Point Range: 0.07251841967859836 to 11.022799791146973 psi
• Operating Temperature: 32 to 190 F
• Switched Current: 25 amps
• Switched AC Volts: 250 volts

Description: Herga 6101-0045 Pressure Sensor

• Working Pressure Range: 0 psi
• Vacuum Range: 0 torr
• Pressure Measurement: Differential, Vacuum
• Number of Throws: Double Throw

Description: Nason LM-2C-10R/WLAT Low Pressure Switches Category: Low Pressure Switches Manufacturer: Nason 18"-18 Ga. UL 3173 wire leads Current Rating (125/250 VAC): 10A Current Rating (30 VDC): 5A Circuit Form: SPDT Set Point Tolerance: +/- 1 PSI or 5% Max. Operating

• Working Pressure Range: 2,000 psi
• Accuracy: 5 ±% FS
• Switched Current: 10 amps
• Switched AC Volts: 125 to 250 volts

Description: Nason LM-2C-70R/WLAT Low Pressure Switches Category: Low Pressure Switches Manufacturer: Nason 18"-18 Ga. UL 3173 wire leads Current Rating (125/250 VAC): 10A Current Rating (30 VDC): 5A Circuit Form: SPDT Set Point Tolerance: +/- 1 PSI or 5% Max. Operating

• Working Pressure Range: 2,000 psi
• Accuracy: 5 ±% FS
• Switched Current: 10 amps
• Switched AC Volts: 125 to 250 volts

Description: Nason LM-2C-50R/WLAT Low Pressure Switches Category: Low Pressure Switches Manufacturer: Nason 18"-18 Ga. UL 3173 wire leads Current Rating (125/250 VAC): 10A Current Rating (30 VDC): 5A Circuit Form: SPDT Set Point Tolerance: +/- 1 PSI or 5% Max. Operating

• Working Pressure Range: 2,000 psi
• Accuracy: 5 ±% FS
• Switched Current: 10 amps
• Switched AC Volts: 125 to 250 volts

Description: Nason LM-2C-140R/WLAT Low Pressure Switches Category: Low Pressure Switches Manufacturer: Nason 18"-18 Ga. UL 3173 wire leads Current Rating (125/250 VAC): 10A Current Rating (30 VDC): 5A Circuit Form: SPDT Set Point Tolerance: +/- 1 PSI or 5% Max. Operating

• Working Pressure Range: 2,000 psi
• Accuracy: 5 ±% FS
• Switched Current: 10 amps
• Switched AC Volts: 125 to 250 volts

Description: rating. Mid-West Instrument’s new Hazardous Locations “Delta P” switches are provided with a field wireable terminal strip. The terminal strip eliminates the need to add a costly explosion-proof junction box near the switch. Multiple outputs are available ranging from low power reed

• Working Pressure Range: 0 to 0.72254 psi
• Accuracy: 2 ±% FS
• Pressure Connection Size: 0.25 inch
• Display Type: Analog Meter

Description: The Honeywell PBN Series is a range of versatile, low-cost, ultra low pressure switches and sensors. PBM products are compact, lightweight, feature enhanced reliability, and are designed to yield a repeatable response over millions of cycles. They can be mounted in virtually any

• Working Pressure Range: 0.072254 psi
• Pressure Measurement: Absolute
• Number of Throws: Double Throw, Single Throw
• Material: Gas, Liquid

Description: The V-5300 Series Miniature Pressure Switches interface from vacuum to electrical controls circuits. Designed for a low difference between "ON" and "OFF" vacuum signal.

• Operating Temperature: 40 to 120 F
• Vacuum Switch Set point Range: 683.8000000000001 to 48.80000000000034 torr
• Switched Current: 4 amps
• Number of Throws: Double Throw

Description: The Honeywell PBN Series is a range of versatile, low-cost, ultra low pressure switches and sensors. PBM products are compact, lightweight, feature enhanced reliability, and are designed to yield a repeatable response over millions of cycles. They can be mounted in virtually any

• Working Pressure Range: 2.998541 to 15.028832 psi
• Pressure Measurement: Absolute
• Number of Throws: Double Throw, Single Throw
• Material: Gas, Liquid

Description: The Honeywell PBN Series is a range of versatile, low-cost, ultra low pressure switches and sensors. PBM products are compact, lightweight, feature enhanced reliability, and are designed to yield a repeatable response over millions of cycles. They can be mounted in virtually any

• Working Pressure Range: 0.2348255 psi
• Pressure Measurement: Absolute
• Number of Throws: Double Throw, Single Throw
• Material: Gas, Liquid

Description: PMC offers a Barksdale Pressure Switch coupled with a proven PMC transmitter which permits flush installation with the inside wall of pipes 3" or larger. This feature avoids the usual pocketing problems encountered with conventional systems. The Barksdale Switch incorporates a UL-listed

• Switch Point Range: 0.5 to 250 psi
• Accuracy: 2 ±% FS
• Operating Temperature: 400 F
• Number of Throws: Double Throw

Description: Hazardous Locations "Delta P" switches are provided with a field wireable terminal strip. The terminal strip eliminates the need to add a costly explosion-proof junction box near the switch. Multiple outputs are available ranging from low power reed switches to higher load switching

• Working Pressure Range: 0 to 100 psi
• Accuracy: 2 ±% FS
• Operating Temperature: -40 to 200 F
• Switched Current: 10 amps

Description: adjustable from 1.5 to 4" Hg. Maximum 29.9 Hg. The switches have three electrical terminals: Normally Open, Normally Closed and Common. 01. and 10 AMP switches are available. The switches are furnished with a B80 Barb, 10-32 Barbed Fitting for 1/16" I.D. tubing.

• Operating Temperature: 40 to 120 F
• Vacuum Switch Set point Range: 742.22 torr
• Switched Current: 10 amps
• Switched AC Volts: 250 volts

Description: The Honeywell PBN Series is a range of versatile, low-cost, ultra low pressure switches and sensors. PBM products are compact, lightweight, feature enhanced reliability, and are designed to yield a repeatable response over millions of cycles. They can be mounted in virtually any

• Working Pressure Range: 1.264445 to 2.709525 psi
• Pressure Measurement: Absolute
• Number of Throws: Double Throw, Single Throw
• Material: Gas, Liquid

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 360° rotatable male connections High

• Switch Point Range: 450 to 4,600 psi
• Operating Temperature: 14 to 176 F
• Number of Throws: Double Throw
• Tech: Electro-mechanical

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 ruggedness and

• Switch Point Range: 300 to 1,200 psi
• Deadband: 30 to 200 psi
• Accuracy: 0.015 ±% FS
• Operating Temperature: -58 to 203 F

Description: deadband. • Choice of single or two-stage units. • Compact size. • Mounts in any position. • Rugged and vibration resistant; e.g., for compressors. • Visual adjustment scales in psig and bars. • Wide selection of transducer wetted materials suitable for air, water, oil or corrosive fluids. •

• Switch Point Range: 160 to 1,650 psi
• Deadband: 250 to 1,650 psi
• Operating Temperature: -4 to 122 F
• Switched Current: 15 amps

Description: The Series 9000 pressure switch offers uncompromising performance in a compact design. As a smaller sibling to the Series 8000, the Series 9000 measures 1.2 x 1.2 x 3.8 inches. It features a long pressure spring for precise switch point adjustments and excellent accuracy at +/- 2% of

• Switch Point Range: 90 to 5,800 psi
• Accuracy: 2 ±% FS
• Operating Temperature: -4 to 176 F
• Switched Current: 10 amps

Description: 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 that have low switch

• Switch Point Range: 0.0541905 to 5.41905 psi
• Deadband: 0.17 to 15 psi
• Operating Temperature: -20 to 180 F
• Pressure Measurement: Differential

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 proof pressure of

• Working Pressure Range: 4 to 100 psi
• Switch Point Range: 4 to 100 psi
• Deadband: 1.5 to 5 psi
• Accuracy: 2 ±% FS

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 Fixed or limited adjustable

• Working Pressure Range: 1.08381 to 400 psi
• Pressure Measurement: Differential
• Display Type: Digital
• Number of Poles: Double Pole, Single Pole

Description: • All Stainless Steel Wetted Parts • Sensing Element Capsule, Electron Beam Welded • Helium Leak Tested 4 x 10-9 STD CC/sec • External Pressure Scale and Pointer For Easy Set Point Adjustment • Available with 1/4 VCR Male or 1/8-27 NPT Male Fittings • NEMA 4 Enclosure • Available with 1 or 5

• Switch Point Range: 0.8 to 500 psi
• Deadband: 0.5 to 15 psi
• Vacuum Switch Set point Range: 719.36 to 43.72000000000036 torr
• Vacuum Deadband: 732.06 to 729.52 torr