Our pressure switches are designed to reliably perform over the long term, even in the harshest environments and under high vibration and shock conditions.
Need a switch? Fill out our switch inquiry form.
Aerospace Pressure Switches
Series 1H – GAGE PRESSURE SWITCH
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
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
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
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
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
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
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
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
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
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
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
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)
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
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
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)
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
Please contact us to discuss your switch needs so we can determine how we can best address them with our cutting-edge technology.
Product Updates & News
Receive news of product updates, aerospace industry events, white papers and important announcements. You can unsubscribe at any time.