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Pressure Switches

Our pressure switches are designed to reliably perform over the long term, even in the harshest environments and under high vibration and shock conditions.

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Aerospace Pressure Switches


Series 1H – GAGE PRESSURE SWITCH

Gage_Pressure_Switch_1H-G9

Note: Product image shown represents just one of the many envelope options we can offer. We can design a custom envelope to fit your needs.

Operation
System to 300 PSI
Proof to 450 PSI
Burst Not applicable
Actuation 1.5 PSI to 80 PSI
Deadband 10% to 45% of actuation set point
Electrical Hermetically sealed SPDT or DPDT, 100 mA to 7 A Res @ 5-32 VDC
Environmental Ambient conditions
Temperature -65°F (-54°C) to 250°F (121°C)
Vibration 5 to 2000 Hz up to 30 g’s
Shock 100 g’s
Service Life 75,000 cycles
Weight 5 oz. (approx.)

Description

Economical pressure switch design with low to moderate set points for fuel, pneumatic or lube oil system applications. Switch is readily serviced for long life. Compact lightweight aluminum construction with optional hermetically sealed electrical switching assembly.

 


Series 7H – GAGE PRESSURE SWITCH

Gage_Pressure_Switch_7H-G

Note: Product image shown represents just one of the many envelope options we can offer. We can design a custom envelope to fit your needs.

Operation
System to 2000 PSI
Proof to 2500 PSI
Burst Not applicable
Actuation 5 PSI to 120 PSI
Deadband 10% to 45% of actuation set point
Electrical Hermetically sealed (optional) SPDT or DPDT, 100 mA to 7 A Res @ 5-32 VDC
Environmental Ambient conditions
Temperature  -65°F (-54°C) to 300°F (149°C)
Vibration 5 to 2000 Hz up to 30 g’s
Shock 100 g’s
Service Life 75,000 cycles
Weight 3 oz. (approx.)

Description

Miniaturized, lightweight design for low to moderate pressure pneumatic, fuel or lube oil applications. Can withstand high system and proof pressure requirements. Welded stainless steel construction with hermetically sealed electrical switching assembly when required.

 


Series 8H – GAGE / ABSOLUTE PRESSURE SWITCH

Gage_Absolute_Pressure_Switch_8H-G

Note: Product image shown represents just one of the many envelope options we can offer. We can design a custom envelope to fit your needs.

Operation
System to 700 PSI
Proof to 1050 PSI
Burst 1400 PSI
Actuation 10 PSI to 400 PSI
Deadband 10% to 40% of actuation set point
Electrical Hermetically sealed SPDT or DPDT, 2 mA to 7 A Res @ 5-32 VDC
Environmental Ambient conditions
Temperature -65°F (-54°C) to 400°F (204°C)
Vibration 5 to 2000 Hz up to 40 g’s
Shock 100 g’s
Service Life 100,000 cycles
Weight 3.5 oz. (approx.)

Description

Miniaturized lightweight switch with high vibration and shock resistance for a wide range of pneumatic, fuel or oil pressure applications. Suitable for harsh environments. Fireproof. Welded stainless steel construction with a hermetically sealed switching assembly.

 


Series 8H-D – DIFFERENTIAL PRESSURE SWITCH

Differential_Pressure_Switch_8H-D

Note: Product image shown represents just one of the many envelope options we can offer. We can design a custom envelope to fit your needs.

Operation
System to 300 PSIG both ports
Proof to 600 PSIG both ports
Burst 800 PSI both ports
Actuation 3 PSID to 100 PSID
Deadband 8% to 30% of actuation set point
Electrical Hermetically sealed SPDT or DPDT, 2 mA TO 7 A Res @ 5-32 VDC
Environmental Ambient conditions
Temperature  -67°F (-55°C) to 400°F (204°C)
Vibration 5 to 2000 Hz up to 40 g’s
Shock 100 g’s
Service 100,000 cycles
Weight 5.5 oz. (approx.)

Description

Miniaturized, technically advanced design for differential fuel, oil and pneumatic pressure applications. Qualified for turbine engine installations. Suitable for harsh environments. Fireproof. Welded all stainless steel construction with a hermetically sealed switching assembly. Fitting with a specific internal pressure pulsation dampener.

 


Series 9H – GAGE PRESSURE SWITCH

Gage_Pressure_Switch_9H_Oxygen

Note: Product image shown represents just one of the many envelope options we can offer. We can design a custom envelope to fit your needs.

Operation
System to 150 PSI
Proof to 250 PSI
Burst 350 PSI
Actuation 6.0 PSIG to 61 PSIG
Deadband 12% to 45% of actuation set point
Electrical Hermetically sealed (optional) SPDT or DPDT, 2 mA TO 7 A Res @ 5-32 VDC
Environmental Ambient conditions
Temperature -65°F (-54°C) to 275°F (135°C)
Vibration 5 to 2000 Hz up to 20 g’s
Shock 100 g’s
Service 75,000 cycles
Weight 4 oz. (approx.)

Description

Miniaturized, lightweight switch design for low pressure pneumatic, fuel or oil applications. Suitable for oxygen or cabin pressure systems. Aluminum construction and hermetically sealed electrical switching assembly when required.

 


Series 12H-G – GAGE PRESSURE SWITCH

Gage_Pressure_Switch_12H

Note: Product image shown represents just one of the many envelope options we can offer. We can design a custom envelope to fit your needs.

Operation
System to 300 PSIG
Proof to 572 PSIG
Burst 750 PSI
Actuation 1.5 PSIG to 60 PSIG
Deadband 8% to 20% of actuation set point
Electrical Hermetically sealed (optional) SPDT or DPDT, 2 mA TO 7 A Res @ 5-32 VDC
Environmental Ambient conditions
Temperature -67°F (-55°C) to 320°F (160°C)
Vibration 5 to 2000 Hz up to 30 g’s
Shock 100 g’s
Service 200,000 cycles
Weight 4 oz. (approx.)

Description

Very precise, highly reliable performance for low to moderate pneumatic, fuel or oil pressure applications. Suitable for extreme temperature environments. Fireproof. Lightweight welded stainless steel construction with a hermetically sealed electrical switching assembly. Qualified to rigid MIL-DTL-9395 standards.

 


Series 12H-A – ABSOLUTE PRESSURE SWITCH

Gage_Pressure_Switch_12H

Note: Product image shown represents just one of the many envelope options we can offer. We can design a custom envelope to fit your needs.

Operation
System to 200 PSI
Proof to 300 PSI
Burst 400 PSI
Actuation 1.0 PSIA to 100 PSIA
Deadband 3% to 20% of actuation set point
Electrical Hermetically sealed (optional) SPDT or DPDT, 2 mA to 7 A Res @ 5-32 VDC
Environmental Ambient conditions
Temperature -67°F (-55°C) to 200°F (93°C)
Vibration 5 to 2000 Hz up to 30 g’s
Shock 100 g’s
Service 300,000 cycles
Weight 5 oz. (approx.)

Description

High-precision absolute pressure switch, designed for pneumatic, fuel or lube oil system applications. Suitable for extreme temperature environments. Fireproof. Welded stainless steel construction with a hermetically sealed electrical element. Qualified to rigid MIL-DTL-9395 standards.

 


Series 12H-D – DIFFERENTIAL PRESSURE SWITCH

Differential_Pressure_Switch_12H-D3

Note: Product image shown represents just one of the many envelope options we can offer. We can design a custom envelope to fit your needs.

Operation
System to 200 PSIG
Proof to 300 PSIG (Hi > Lo)
Burst 400 PSIG
Actuation 1.0 PSID to 100 PSID
Deadband 8% to 20% of actuation set point
Electrical Hermetically sealed (optional) SPDT or DPDT, 2 mA to 7 A Res @ 5-32 VDC
Environmental Ambient conditions
Temperature -67°F (-55°C) to 400°F (204°C)
Vibration 5 to 2000 Hz up to 30 g’s
Shock 100 g’s
Service 100,000 cycles
Weight 5 oz. (approx.)

Description

High-precision differential pressure switch, designed for pneumatic, fuel or lube oil system applications. Suitable for extreme temperature environments. Fireproof. Welded stainless steel construction with a hermetically sealed electrical assembly. Qualified to rigid MIL-DTL-9395 standards.

 


Series 15H-M – HIGH PRESSURE DIAPHRAGM SWITCH

High_Pressure_Diaphragm_Switch_15H-M

Note: Product image shown represents just one of the many envelope options we can offer. We can design a custom envelope to fit your needs.

Operation
System to 3770 PSIG
Proof to 5250 PSIG
Burst 7614 PSIG
Actuation 50 PSIG to 3240 PSIG
Deadband 12% to 40% of actuation set point
Electrical Hermetically sealed (optional) SPDT or DPDT, 2 mA TO 7 A Res @ 5-32 VDC
Environmental Ambient conditions
Temperature -65°F (-54°C) to 350°F (177°C)
Vibration  5 to 2000 Hz up to 30 g’s
Shock 200 g’s
Service 100,000 cycles
Weight 3.5 oz. (approx.)

Description

Lightweight diaphragm design for high-pressure pneumatic, oil or hydraulic system applications. Internal snubber is available for dampening high pressure spikes and pump ripple. Durable, vibration and shock resistant. Welded stainless steel construction. Qualified to rigid MIL-DTL-9395 standards.

 


Series 15H-PH – HIGH PRESSURE PISTON SWITCH

High_Pressure_Piston_Switch_15H-P2

Note: Product image shown represents just one of the many envelope options we can offer. We can design a custom envelope to fit your needs.

Operation
System to 5050 PSI
Proof to 7500 PSI
Burst 12,500 PSI
Actuation 35 PSI to 4700 PSI
Deadband 12% to 40% of actuation set point
Electrical Hermetically sealed (optional) SPDT or DPDT, TPDT available, 2 mA TO 7 A Res @ 5-32 VDC
Environmental Ambient conditions
Temperature -65°F (-54°C) to 275°F (135°C)
Vibration 5 to 2000 Hz up to 30 g’s
Shock 100 g’s
Service Life 250,000 cycles
Weight 5 oz. (approx.)

Description

Long-life piston switch design for medium to high pressure oil or hydraulic system applications. Special piston design provides narrow set point deadbands and excellent vibration, shock and pressure surge resistance. Welded stainless steel construction with optional hermetically sealed electrical switching assembly.

 


Series 21H – GAGE / ABSOLUTE PRESSURE SWITCH

Differential_Pressure_Switch_21H-D

Note: Product image shown represents just one of the many envelope options we can offer. We can design a custom envelope to fit your needs.

Operation
System to 400 PSI
Proof to 600 PSI
Burst 800 PSI
Actuation 2.5 PSI to 200 PSI
Deadband 10% to 40% of actuation set point
Electrical Hermetically sealed (optional) SPDT or DPDT, 2 mA TO 7 A Res @ 5-32 VDC
Environmental Ambient conditions
Temperature -65°F (-54°C) to 400°F (204°C)
Vibration 5 to 2000 Hz up to 20 g’s
Shock 100 g’s
Service 200,000 cycles
Weight 4 oz. (approx.)

Description

Durable gage or absolute pressure switch for pneumatic, fuel or lube oil system applications. Suitable for extreme temperature environments. Fireproof design. Welded all stainless steel construction with a hermetically sealed electrical switching element.

 


Series 32H – GAGE / DIFFERENTIAL / VACUUM PRESSURE SWITCH

Gage_Differential_Vacuum_Pressure_Switch_32H-GDV-Basic

Note: Product image shown represents just one of the many envelope options we can offer. We can design a custom envelope to fit your needs.

Operation
System to Not applicable
Proof to 447 PSI
Burst Not applicable
Actuation 0.036 PSI to 10.0 PSI
Deadband 10% to 45% of actuation set point
Electrical Hermetically sealed (optional) SPDT or DPDT, 50mA Max @ 5-32 VDC
Environmental Ambient conditions
Temperature -65°F (-54°C) to 300°F (149°C)
Vibration 5 to 2000 Hz up to 15 g’s
Shock 25 g’s
Service 100,000 cycles
Weight 13 oz. (approx.)

Description

Low settings and narrow differential capabilities for demanding pneumatic, fuel or oil pressure applications. Aluminum construction with hermetically sealed electrical assembly when required.

 


Series 44H – ANEROID ALTITUDE PRESSURE SWITCH (Absolute Pressure Indication)

Aneroid_Altitude_Switch_44H-A

Note: Product image shown represents just one of the many envelope options we can offer. We can design a custom envelope to fit your needs.

Operation
System to Not applicable
Proof to 29 PSIA
Burst Not applicable
Actuation 0.3” HgA to 30” HgA
Deadband 12% to 45% of actuation set point
Electrical Hermetically sealed SPDT or DPDT, 50 mA Max @ 5-32 VDC
Environmental Ambient conditions
Temperature -65°F (-54°C) to 200°F (93°C)
Vibration 5 to 2000 Hz up to 20 g’s
Shock 15 g’s
Service 50,000 cycles
Weight 5 oz. (approx.)

Description

Highly sensitive, reliable aneroid capsule and negative rate disc spring designed pressure switch suitable for altitude or absolute pressure sensing applications. Barometric pressure range from sea level to 100,000 feet. Lightweight aluminum construction.

 


Series 51H – HIGH PRESSURE DIAPHRAGM PRESSURE SWITCH

High_Pressure_Diaphragm_Switch_51H-M

Note: Product image shown represents just one of the many envelope options we can offer. We can design a custom envelope to fit your needs.

Operation
System to 4000 PSIG
Proof to 6000 PSIG
Burst 7500 PSIG
Actuation 150 PSI to 3400 PSI
Deadband 12% to 40% of actuation set point
Electrical Environmentally sealed SPDT or DPDT, 50 mA to 7 A Res @ 5-32 VDC
Environmental Ambient conditions
Temperature -67°F (-55°C) to 275°F (135°C)
Vibration 5 to 2000 Hz up to 25 g’s
Shock 100 g’s
Service 50,000 cycles minimum
Weight 3 oz. (approx.)

Description

Economical, miniaturized diaphragm design for high-pressure pneumatic, oil or hydraulic systems. Internal snubber is available for dampening high-pressure spikes and pump ripple conditions. Lightweight aluminum construction with an environmentally sealed electrical switching element.

 


Series 75H – GAGE / DIFFERENTIAL / VACUUM PRESSURE SWITCH

Gage_Differential_Vaccuum_Pressure_Switch_75H

Note: Product image shown represents just one of the many envelope options we can offer. We can design a custom envelope to fit your needs.

Operation
System to 15.0 PSI both ports simultaneously
Proof to 30.0 PSI both ports simultaneously
Burst Not applicable
Actuation 1.0” H2O to 30” H2O
Deadband 10% to 45% of actuation set point
Electrical Hermetically sealed SPDT or DPDT, 100 mA to 7 A Res @ 5-32 VDC
Environmental Ambient conditions
Temperature -65°F (-54°C) to 160°F (71°C)
Vibration 5 to 2000 Hz up to 10 g’s
Shock 25 g’s
Service 75,000 cycles
Weight 16 to 24 oz. (approx.)

Description

Highly sensitive, inches of H2O pressure design with proven performance in monitoring and control of low-pressure pneumatic systems. Large diaphragm area coupled with a negative rate disk spring provides narrow differential settings and close operating tolerances. Lightweight construction.

 


Series 83H-MF – MULTI-FUNCTION PRESSURE SWITCH (Impending Filter Bypass Indication)

Differential_Pressure_Switch_83H-MF

Note: Product image shown represents just one of the many envelope options we can offer. We can design a custom envelope to fit your needs.

Operation
System to 200 PSI both ports simultaneously
Proof to 340 PSI both ports simultaneously
Burst 400 PSI both ports simultaneously
Actuation 6 PSID to 60 PSID
Deadband 12% to 40% of actuation set point
Electrical Hermetically sealed (optional) SPDT or DPDT, TPDT available, 2 mA to 7 A Res @ 5-32 VDC
Environmental Ambient conditions
Temperature -65°F (-54°C) to 375°F (191°C)
Vibration 5 to 2000 Hz up to 45 g’s
Shock 25 g’s
Service 100,000 cycles
Weight 6 oz. (approx.)

Description

Low profile, lightweight design for differential fuel or oil filter impending bypass indication. Fitted with a special internal pressure pulsation dampener, spring loaded bypass valve and an optional R.T.D. Suitable for high vibration engine installations. Welded stainless steel construction with a hermetically sealed electrical assembly.

Switch Inquiry

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