
Mid-West Type 140/142 Diaphragm-Style Differential Pressure Switch
SKU: N/A- Total seperation of high and low by a convoluted elastomer diaphragm
- Hermetically sealed read switches
- Model 140 switch adjustable 10-90% of full scale ascending. Model 142 switch adjustable 15-95% of full scale ascending
- Over-range protection to max pressure
- Weatherproof rated to NEMA 4X/IP65
- Accuracy ±2% Full Scale Ascending
- Five year Limited Warranty

United Electric Explosion-Proof Pressure and Vacuum Switches
SKU: N/AFEATURES
- Legendary UE reliability
- Explosion-proof
- Class I, Div 1 & 2, (Zone 1); Class II, Div 1 & 2; Class III
- Worldwide approvals and certifications
- Terminal block wiring
- Dual conduits
- Enclosure design permits safe and easy access for wiring
- Internal adjustment
- Die cast aluminum enclosure, epoxy powder coated and gasketed

Ashcroft Explosion Proof Differential Pressure Switch
SKU: N/AFEATURES
This broad Ashcroft switch series is ideal for use in virtually all process and industrial applications.

United Electric Electronic Pressure Switches
SKU: N/AFEATURES
- Legendary UE reliability
- Hazardous location
- Class I, Div 2; Class II, Div 2; Class III
- Worldwide approvals and certifications
- Large process display
- 100% programmable set-point and deadband
- Terminal block wiring
- NEMA 4X / IP 66 die cast aluminum enclosure, epoxy powder coated and gasketed

Pressure Switches for Hazardous Locations
SKU: N/A- Enclosure is NEMA 7/9 and IP66 rated
- Watertight anodized aluminum body for environmental protection
- Diaphragm-sealed piston actuator offers long, reliable service
- Hermetically sealed snap-acting switch element
- Field adjustable
- Factory sealed leads
- Setpoint adjustable from 15-100% of range
- Simple to install and use
- Class I, Groups A,B,C, or D and Class II, Group E,F, or G

Noshok Pressure Switches
SKU: N/ASeries 300 Mechanical Pressure Switches
Ranges from 3 to 30 psig through 450 to 4500 psig
Field adjustable switch points and hysteresis
Micro-switch technology
Series 400 Heavy-Duty Mechanical Pressure Switches
•Designed for applications requiring maximum accuracy under high loads
•Excellent repeatability of ±2% of full scale
•High loadability (shock 30g, vibration 10 g)
•SPDT, can be normally open (N.O.) or normally closed (N.C.) depending on the wiring
Series 500 Electronic Pressure Switches
PNP electronic switching—0.1A at 30 VDC
Integrated LED switching indication
Switch points field adjustable over 10 to 100% of range

High-Visibility Digital Pressure Sensors
SKU: N/A- All stainless steel wetted materials
- Unique, compact design
- 4 TO 20 mA output
- 4-digit LCD
- Bottom- or back-mount units available
- Highly reliable thin-film pressure sensing technology

Ashcroft G-Series Multifunction Pressure Switches
SKU: N/A- Advanced switches provide single or adjustable set points

Ashcroft Low Differential Pressure Transmitters
SKU: N/A- 4 to 20 mA output
- Field-adjustable four-digit LCD features selectable units of in. WC, Pa, or mbar

Ashcroft B-Series Multifunction Pressure Switches
SKU: N/AExplosion proof pressure switches are designed for hazardous process and industrial applications with
ATEX and IECEx approval for hazardous locations.

Ashcroft L-Series Multifunction Pressure Switches
SKU: N/ASwitches have a wide range of uses — choose from inches WC to high pressure in gauge or differential ranges. Applications include pulp and paper mills, pharmaceutical manufacturing, dairies, and breweries.

Ashcroft Watertight Pressure or Differential Pressure Switch
SKU: N/AThis general purpose Ashcroft® switch series is ideal for use in virtually all Industrial and OEM applications.
FEATURES
- Corrosion resistant enclosure meets NEMA 3, 4, 4X, 13 and IP66
- Choice of switch elements for all applications, including hermetically sealed
- Wide choice of wetted materials, including all-welded Monel orstainless steel
- Fixed or limited adjustable deadband
- Approved for UL, CSA and FM ratings
- Choice of actuators, including designs for fire-safe and NAC applications
- Standard pressure connection materials
- Pressure psi ranges: 316L SS
- Differential PSID ranges: Nickel-plated Brass
- Pressure and differential inches of water ranges: Epoxy coated carbon steel

General-Purpose Watertight Single Setpoint Switches 4331
SKU: N/AHousing meets NEMA 4X standards. Epoxy-coated aluminum enclosure mounts with integral wall mounting bracket with two additional knock-out plugs for installation. SS internal parts. Remove cover to read scale while adjusting set points.

Mid-West Type 120 Differential Pressure Switches
SKU: N/A- Over-range protection to max pressure
- Hermetically sealed switches
- Weatherproof rated to NEMA 4X/IP65
- Operating Temp -40 to 200° F (-40 to 93°C)
- ±2% Accuracy Full Scale Ascending

NEMA 4X Differential Pressure Switches
SKU: N/A- Legendary UE reliability
- Tamper-resistant external setting adjustment
- Terminal block wiring
- Enclosure design permits safe and easy access for wiring
- NEMA 4X / Die cast aluminum enclosure, epoxy powder coated, gasketed stainless steel tamper-resistant dial cover, captive cover screws

Ashcroft D-Series Differential Pressure Switches
SKU: N/A
United Electric NEMA 4X Pressure Switches
SKU: N/AFEATURES
- Legendary UE Reliability
- Wide selection of adjustment ranges
- Internal reference scales and adjustment lock
- Enclosure design permits safe and easy access for wiring
- Choice of 1/2″ NPTF electrical connection or knockouts
- Die cast aluminum enclosure, epoxy powder coated, gasketed, captive screws

Explosion-Proof Pressure Switches
SKU: N/A- Digital accuracy amd reliability
- Large retatable process display
- Programmable set point and deadband
- Worldwide approvals for Divisions 1 and 2
- Replaces switch, gauge, and transmitter
- Configurable self diagnostics
- Choose from 2-wire, loop-powered, and external powered models

Ashcroft Type A Pressure Switches
SKU: N/A- Precision snap-acting switch element
- Factory set to switch at rising pressures

Mid-West Type 140/142 Diaphragm-Style Differential Pressure Switch
- Total seperation of high and low by a convoluted elastomer diaphragm
- Hermetically sealed read switches
- Model 140 switch adjustable 10-90% of full scale ascending. Model 142 switch adjustable 15-95% of full scale ascending
- Over-range protection to max pressure
- Weatherproof rated to NEMA 4X/IP65
- Accuracy ±2% Full Scale Ascending
- Five year Limited Warranty

United Electric Explosion-Proof Pressure and Vacuum Switches
FEATURES
- Legendary UE reliability
- Explosion-proof
- Class I, Div 1 & 2, (Zone 1); Class II, Div 1 & 2; Class III
- Worldwide approvals and certifications
- Terminal block wiring
- Dual conduits
- Enclosure design permits safe and easy access for wiring
- Internal adjustment
- Die cast aluminum enclosure, epoxy powder coated and gasketed

Ashcroft Explosion Proof Differential Pressure Switch
FEATURES
This broad Ashcroft switch series is ideal for use in virtually all process and industrial applications.

United Electric Electronic Pressure Switches
FEATURES
- Legendary UE reliability
- Hazardous location
- Class I, Div 2; Class II, Div 2; Class III
- Worldwide approvals and certifications
- Large process display
- 100% programmable set-point and deadband
- Terminal block wiring
- NEMA 4X / IP 66 die cast aluminum enclosure, epoxy powder coated and gasketed

Pressure Switches for Hazardous Locations
- Enclosure is NEMA 7/9 and IP66 rated
- Watertight anodized aluminum body for environmental protection
- Diaphragm-sealed piston actuator offers long, reliable service
- Hermetically sealed snap-acting switch element
- Field adjustable
- Factory sealed leads
- Setpoint adjustable from 15-100% of range
- Simple to install and use
- Class I, Groups A,B,C, or D and Class II, Group E,F, or G

Noshok Pressure Switches
Series 300 Mechanical Pressure Switches
Ranges from 3 to 30 psig through 450 to 4500 psig
Field adjustable switch points and hysteresis
Micro-switch technology
Series 400 Heavy-Duty Mechanical Pressure Switches
•Designed for applications requiring maximum accuracy under high loads
•Excellent repeatability of ±2% of full scale
•High loadability (shock 30g, vibration 10 g)
•SPDT, can be normally open (N.O.) or normally closed (N.C.) depending on the wiring
Series 500 Electronic Pressure Switches
PNP electronic switching—0.1A at 30 VDC
Integrated LED switching indication
Switch points field adjustable over 10 to 100% of range

High-Visibility Digital Pressure Sensors
- All stainless steel wetted materials
- Unique, compact design
- 4 TO 20 mA output
- 4-digit LCD
- Bottom- or back-mount units available
- Highly reliable thin-film pressure sensing technology

Ashcroft G-Series Multifunction Pressure Switches
- Advanced switches provide single or adjustable set points

Ashcroft Low Differential Pressure Transmitters
- 4 to 20 mA output
- Field-adjustable four-digit LCD features selectable units of in. WC, Pa, or mbar

Ashcroft B-Series Multifunction Pressure Switches
Explosion proof pressure switches are designed for hazardous process and industrial applications with
ATEX and IECEx approval for hazardous locations.

Ashcroft L-Series Multifunction Pressure Switches
Switches have a wide range of uses — choose from inches WC to high pressure in gauge or differential ranges. Applications include pulp and paper mills, pharmaceutical manufacturing, dairies, and breweries.

Ashcroft Watertight Pressure or Differential Pressure Switch
This general purpose Ashcroft® switch series is ideal for use in virtually all Industrial and OEM applications.
FEATURES
- Corrosion resistant enclosure meets NEMA 3, 4, 4X, 13 and IP66
- Choice of switch elements for all applications, including hermetically sealed
- Wide choice of wetted materials, including all-welded Monel orstainless steel
- Fixed or limited adjustable deadband
- Approved for UL, CSA and FM ratings
- Choice of actuators, including designs for fire-safe and NAC applications
- Standard pressure connection materials
- Pressure psi ranges: 316L SS
- Differential PSID ranges: Nickel-plated Brass
- Pressure and differential inches of water ranges: Epoxy coated carbon steel

General-Purpose Watertight Single Setpoint Switches 4331
Housing meets NEMA 4X standards. Epoxy-coated aluminum enclosure mounts with integral wall mounting bracket with two additional knock-out plugs for installation. SS internal parts. Remove cover to read scale while adjusting set points.

Mid-West Type 120 Differential Pressure Switches
- Over-range protection to max pressure
- Hermetically sealed switches
- Weatherproof rated to NEMA 4X/IP65
- Operating Temp -40 to 200° F (-40 to 93°C)
- ±2% Accuracy Full Scale Ascending

NEMA 4X Differential Pressure Switches
- Legendary UE reliability
- Tamper-resistant external setting adjustment
- Terminal block wiring
- Enclosure design permits safe and easy access for wiring
- NEMA 4X / Die cast aluminum enclosure, epoxy powder coated, gasketed stainless steel tamper-resistant dial cover, captive cover screws

Ashcroft D-Series Differential Pressure Switches

United Electric NEMA 4X Pressure Switches
FEATURES
- Legendary UE Reliability
- Wide selection of adjustment ranges
- Internal reference scales and adjustment lock
- Enclosure design permits safe and easy access for wiring
- Choice of 1/2″ NPTF electrical connection or knockouts
- Die cast aluminum enclosure, epoxy powder coated, gasketed, captive screws

Explosion-Proof Pressure Switches
- Digital accuracy amd reliability
- Large retatable process display
- Programmable set point and deadband
- Worldwide approvals for Divisions 1 and 2
- Replaces switch, gauge, and transmitter
- Configurable self diagnostics
- Choose from 2-wire, loop-powered, and external powered models

Ashcroft Type A Pressure Switches
- Precision snap-acting switch element
- Factory set to switch at rising pressures

Mid-West Type 140/142 Diaphragm-Style Differential Pressure Switch
- Total seperation of high and low by a convoluted elastomer diaphragm
- Hermetically sealed read switches
- Model 140 switch adjustable 10-90% of full scale ascending. Model 142 switch adjustable 15-95% of full scale ascending
- Over-range protection to max pressure
- Weatherproof rated to NEMA 4X/IP65
- Accuracy ±2% Full Scale Ascending
- Five year Limited Warranty

United Electric Explosion-Proof Pressure and Vacuum Switches
FEATURES
- Legendary UE reliability
- Explosion-proof
- Class I, Div 1 & 2, (Zone 1); Class II, Div 1 & 2; Class III
- Worldwide approvals and certifications
- Terminal block wiring
- Dual conduits
- Enclosure design permits safe and easy access for wiring
- Internal adjustment
- Die cast aluminum enclosure, epoxy powder coated and gasketed

Ashcroft Explosion Proof Differential Pressure Switch
FEATURES
This broad Ashcroft switch series is ideal for use in virtually all process and industrial applications.

United Electric Electronic Pressure Switches
FEATURES
- Legendary UE reliability
- Hazardous location
- Class I, Div 2; Class II, Div 2; Class III
- Worldwide approvals and certifications
- Large process display
- 100% programmable set-point and deadband
- Terminal block wiring
- NEMA 4X / IP 66 die cast aluminum enclosure, epoxy powder coated and gasketed

Pressure Switches for Hazardous Locations
- Enclosure is NEMA 7/9 and IP66 rated
- Watertight anodized aluminum body for environmental protection
- Diaphragm-sealed piston actuator offers long, reliable service
- Hermetically sealed snap-acting switch element
- Field adjustable
- Factory sealed leads
- Setpoint adjustable from 15-100% of range
- Simple to install and use
- Class I, Groups A,B,C, or D and Class II, Group E,F, or G

Noshok Pressure Switches
Series 300 Mechanical Pressure Switches
Ranges from 3 to 30 psig through 450 to 4500 psig
Field adjustable switch points and hysteresis
Micro-switch technology
Series 400 Heavy-Duty Mechanical Pressure Switches
•Designed for applications requiring maximum accuracy under high loads
•Excellent repeatability of ±2% of full scale
•High loadability (shock 30g, vibration 10 g)
•SPDT, can be normally open (N.O.) or normally closed (N.C.) depending on the wiring
Series 500 Electronic Pressure Switches
PNP electronic switching—0.1A at 30 VDC
Integrated LED switching indication
Switch points field adjustable over 10 to 100% of range

High-Visibility Digital Pressure Sensors
- All stainless steel wetted materials
- Unique, compact design
- 4 TO 20 mA output
- 4-digit LCD
- Bottom- or back-mount units available
- Highly reliable thin-film pressure sensing technology

Ashcroft G-Series Multifunction Pressure Switches
- Advanced switches provide single or adjustable set points

Ashcroft Low Differential Pressure Transmitters
- 4 to 20 mA output
- Field-adjustable four-digit LCD features selectable units of in. WC, Pa, or mbar

Ashcroft B-Series Multifunction Pressure Switches
Explosion proof pressure switches are designed for hazardous process and industrial applications with
ATEX and IECEx approval for hazardous locations.

Ashcroft L-Series Multifunction Pressure Switches
Switches have a wide range of uses — choose from inches WC to high pressure in gauge or differential ranges. Applications include pulp and paper mills, pharmaceutical manufacturing, dairies, and breweries.

Ashcroft Watertight Pressure or Differential Pressure Switch
This general purpose Ashcroft® switch series is ideal for use in virtually all Industrial and OEM applications.
FEATURES
- Corrosion resistant enclosure meets NEMA 3, 4, 4X, 13 and IP66
- Choice of switch elements for all applications, including hermetically sealed
- Wide choice of wetted materials, including all-welded Monel orstainless steel
- Fixed or limited adjustable deadband
- Approved for UL, CSA and FM ratings
- Choice of actuators, including designs for fire-safe and NAC applications
- Standard pressure connection materials
- Pressure psi ranges: 316L SS
- Differential PSID ranges: Nickel-plated Brass
- Pressure and differential inches of water ranges: Epoxy coated carbon steel

General-Purpose Watertight Single Setpoint Switches 4331
Housing meets NEMA 4X standards. Epoxy-coated aluminum enclosure mounts with integral wall mounting bracket with two additional knock-out plugs for installation. SS internal parts. Remove cover to read scale while adjusting set points.

Mid-West Type 120 Differential Pressure Switches
- Over-range protection to max pressure
- Hermetically sealed switches
- Weatherproof rated to NEMA 4X/IP65
- Operating Temp -40 to 200° F (-40 to 93°C)
- ±2% Accuracy Full Scale Ascending

NEMA 4X Differential Pressure Switches
- Legendary UE reliability
- Tamper-resistant external setting adjustment
- Terminal block wiring
- Enclosure design permits safe and easy access for wiring
- NEMA 4X / Die cast aluminum enclosure, epoxy powder coated, gasketed stainless steel tamper-resistant dial cover, captive cover screws

Ashcroft D-Series Differential Pressure Switches

United Electric NEMA 4X Pressure Switches
FEATURES
- Legendary UE Reliability
- Wide selection of adjustment ranges
- Internal reference scales and adjustment lock
- Enclosure design permits safe and easy access for wiring
- Choice of 1/2″ NPTF electrical connection or knockouts
- Die cast aluminum enclosure, epoxy powder coated, gasketed, captive screws

Explosion-Proof Pressure Switches
- Digital accuracy amd reliability
- Large retatable process display
- Programmable set point and deadband
- Worldwide approvals for Divisions 1 and 2
- Replaces switch, gauge, and transmitter
- Configurable self diagnostics
- Choose from 2-wire, loop-powered, and external powered models

Ashcroft Type A Pressure Switches
- Precision snap-acting switch element
- Factory set to switch at rising pressures

Mid-West Type 140/142 Diaphragm-Style Differential Pressure Switch
- Total seperation of high and low by a convoluted elastomer diaphragm
- Hermetically sealed read switches
- Model 140 switch adjustable 10-90% of full scale ascending. Model 142 switch adjustable 15-95% of full scale ascending
- Over-range protection to max pressure
- Weatherproof rated to NEMA 4X/IP65
- Accuracy ±2% Full Scale Ascending
- Five year Limited Warranty

United Electric Explosion-Proof Pressure and Vacuum Switches
FEATURES
- Legendary UE reliability
- Explosion-proof
- Class I, Div 1 & 2, (Zone 1); Class II, Div 1 & 2; Class III
- Worldwide approvals and certifications
- Terminal block wiring
- Dual conduits
- Enclosure design permits safe and easy access for wiring
- Internal adjustment
- Die cast aluminum enclosure, epoxy powder coated and gasketed

Ashcroft Explosion Proof Differential Pressure Switch
FEATURES
This broad Ashcroft switch series is ideal for use in virtually all process and industrial applications.

United Electric Electronic Pressure Switches
FEATURES
- Legendary UE reliability
- Hazardous location
- Class I, Div 2; Class II, Div 2; Class III
- Worldwide approvals and certifications
- Large process display
- 100% programmable set-point and deadband
- Terminal block wiring
- NEMA 4X / IP 66 die cast aluminum enclosure, epoxy powder coated and gasketed

Pressure Switches for Hazardous Locations
- Enclosure is NEMA 7/9 and IP66 rated
- Watertight anodized aluminum body for environmental protection
- Diaphragm-sealed piston actuator offers long, reliable service
- Hermetically sealed snap-acting switch element
- Field adjustable
- Factory sealed leads
- Setpoint adjustable from 15-100% of range
- Simple to install and use
- Class I, Groups A,B,C, or D and Class II, Group E,F, or G

Noshok Pressure Switches
Series 300 Mechanical Pressure Switches
Ranges from 3 to 30 psig through 450 to 4500 psig
Field adjustable switch points and hysteresis
Micro-switch technology
Series 400 Heavy-Duty Mechanical Pressure Switches
•Designed for applications requiring maximum accuracy under high loads
•Excellent repeatability of ±2% of full scale
•High loadability (shock 30g, vibration 10 g)
•SPDT, can be normally open (N.O.) or normally closed (N.C.) depending on the wiring
Series 500 Electronic Pressure Switches
PNP electronic switching—0.1A at 30 VDC
Integrated LED switching indication
Switch points field adjustable over 10 to 100% of range

High-Visibility Digital Pressure Sensors
- All stainless steel wetted materials
- Unique, compact design
- 4 TO 20 mA output
- 4-digit LCD
- Bottom- or back-mount units available
- Highly reliable thin-film pressure sensing technology

Ashcroft G-Series Multifunction Pressure Switches
- Advanced switches provide single or adjustable set points

Ashcroft Low Differential Pressure Transmitters
- 4 to 20 mA output
- Field-adjustable four-digit LCD features selectable units of in. WC, Pa, or mbar

Ashcroft B-Series Multifunction Pressure Switches
Explosion proof pressure switches are designed for hazardous process and industrial applications with
ATEX and IECEx approval for hazardous locations.

Ashcroft L-Series Multifunction Pressure Switches
Switches have a wide range of uses — choose from inches WC to high pressure in gauge or differential ranges. Applications include pulp and paper mills, pharmaceutical manufacturing, dairies, and breweries.

Ashcroft Watertight Pressure or Differential Pressure Switch
This general purpose Ashcroft® switch series is ideal for use in virtually all Industrial and OEM applications.
FEATURES
- Corrosion resistant enclosure meets NEMA 3, 4, 4X, 13 and IP66
- Choice of switch elements for all applications, including hermetically sealed
- Wide choice of wetted materials, including all-welded Monel orstainless steel
- Fixed or limited adjustable deadband
- Approved for UL, CSA and FM ratings
- Choice of actuators, including designs for fire-safe and NAC applications
- Standard pressure connection materials
- Pressure psi ranges: 316L SS
- Differential PSID ranges: Nickel-plated Brass
- Pressure and differential inches of water ranges: Epoxy coated carbon steel

General-Purpose Watertight Single Setpoint Switches 4331
Housing meets NEMA 4X standards. Epoxy-coated aluminum enclosure mounts with integral wall mounting bracket with two additional knock-out plugs for installation. SS internal parts. Remove cover to read scale while adjusting set points.

Mid-West Type 120 Differential Pressure Switches
- Over-range protection to max pressure
- Hermetically sealed switches
- Weatherproof rated to NEMA 4X/IP65
- Operating Temp -40 to 200° F (-40 to 93°C)
- ±2% Accuracy Full Scale Ascending

NEMA 4X Differential Pressure Switches
- Legendary UE reliability
- Tamper-resistant external setting adjustment
- Terminal block wiring
- Enclosure design permits safe and easy access for wiring
- NEMA 4X / Die cast aluminum enclosure, epoxy powder coated, gasketed stainless steel tamper-resistant dial cover, captive cover screws

Ashcroft D-Series Differential Pressure Switches

United Electric NEMA 4X Pressure Switches
FEATURES
- Legendary UE Reliability
- Wide selection of adjustment ranges
- Internal reference scales and adjustment lock
- Enclosure design permits safe and easy access for wiring
- Choice of 1/2″ NPTF electrical connection or knockouts
- Die cast aluminum enclosure, epoxy powder coated, gasketed, captive screws

Explosion-Proof Pressure Switches
- Digital accuracy amd reliability
- Large retatable process display
- Programmable set point and deadband
- Worldwide approvals for Divisions 1 and 2
- Replaces switch, gauge, and transmitter
- Configurable self diagnostics
- Choose from 2-wire, loop-powered, and external powered models

Ashcroft Type A Pressure Switches
- Precision snap-acting switch element
- Factory set to switch at rising pressures