Pressure & Vacuum Switches

Pressure and vacuum switches are used in pneumatic systems to allow pressure or vacuum to flow from one place to another, ensuring that the overall system remains stable. They form part of the control system, ensuring that optimal conditions are maintained.

How do pressure and vacuum switches work?

Pressure and vacuum switches work in different ways. Pressure switches are controlled by the level of fluid pressure on the input. When the pressure reaches a certain level, an electrical contact will be closed, ensuring that the pressure stays within given bounds. Vacuum switches regulate the flow of vacuum between two spaces, ensuring it is present where it is needed.

Types of pressure and vacuum switches

Different pressure and vacuum switches operate under different types of pressure, such as negative pressure, electro-mechanical pressure, relative pressure and compound pressure. This is determined by the conditions in which they operate, and of course will impact which one you choose for your project. These switches also have different types of connection, different maximum and minimum pressure settings, and varying voltage drops.


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Description Price Minimum Operating Pressure Maximum Operating Pressure Pressure Type Suitable Media Connection Type Voltage Rating Connection Thread Size Manufacturer Series Contact Operation Connection Thread Standard Minimum Operating Temperature Maximum Operating Temperature IP Rating
RS庫存編號 184-8550
製造零件編號IS10E-40F04-6L-A
BrandSMC
HK$909.10
單位
0.1MPa 0.7 MPa - Air, Inert Gas G 1/2 Reed 100V ac/dc 1/2 in IS10 Normally Open G -5°C +60°C IP40
全新
RS庫存編號 196-1238
製造零件編號ZSE40AF-C6-T
BrandSMC
HK$1,911.85
單位
-100kPa 100 kPa Compound Pressure Air, Non-Corrosive Gas, Non-Flammable Gas Push In 6 mm Digital Pressure Switch 12 → 24V dc 6 mm ZSE40A - Metric -5°C +50°C IP65
RS庫存編號 847-7026
製造零件編號ZS-24-B
BrandSMC
HK$70.83
單位
- - - - - - - - ZS - - - - -
RS庫存編號 826-2685
製造零件編號ZSE10-M5-B-PG
BrandSMC
HK$900.09
單位
-101kPa 0 kPa Vacuum Air, Non Corrosive Gas, Non Flammable Gas M5 x 0.8 PNP Open Collector 12 24V dc M5 x 0.8 ZSE10 - Metric -5°C +50°C IP40
RS庫存編號 297-0002
BrandRS PRO
HK$1,340.40
單位
20bar 200 bar Positive Pressure Oil G 1/4 Adjustable 250V ac/dc 1/4 in K5 Normally Closed, Normally Open G -20°C +80°C IP65
RS庫存編號 317-055
BrandRS PRO
HK$116.18
單位
- - - - - - - - 6470 - - - - -
全新
RS庫存編號 196-1152
製造零件編號PS1200-R06L-Q
BrandSMC
HK$910.74
單位
- 500 kPa Vacuum Air, Non-Corrosive Gas, Non-Flammable Gas Push In 6 mm Electronic Pressure Switch 12 → 24V dc 6 mm PS1200 - Metric 0°C +60°C IP40
RS庫存編號 100-0678
製造零件編號PAC50-DCD
BrandSick
HK$1,287.46
單位
0bar 10 bar Positive Pressure Air G 1/4 Female, M12 4-Pin, 4 mm Pneumatic Hose - 17 30V dc M12, 1/4 in PAC50 Normally Closed, Normally Open G, Metric 0°C +60°C IP65, IP67
RS庫存編號 184-8549
製造零件編號IS10E-30F03-6L-A
BrandSMC
HK$903.32
單位
0.1MPa 0.7 MPa - Air, Inert Gas G 3/8 Reed 100V ac/dc 3/8 in IS10 Normally Open G -5°C +60°C IP40
RS庫存編號 826-8771
製造零件編號ZSE40A-01-R
BrandSMC
HK$1,627.67
單位
-14.69psi 0 psi Vacuum Air, Non Corrosive Gas, Non Flammable Gas R 1/8 NPN Open Collector, Reed, Solid State 12 24V dc 1/8 in ZSE40A - R +23°F +122°F IP65
RS庫存編號 598-816
製造零件編號R901102716
HK$2,042.15
單位
- 500 bar Positive Pressure Oil G 1/4 - 250V ac/dc 1/4 in HED8 - G -30°C +80°C IP65
RS庫存編號 843-0355
製造零件編號IS10-01-L
BrandSMC
HK$677.32
單位
- 0.7 (Operating) MPa, 1 (Proof) MPa - Air, Inlet Gas R 1/8 Reed 100V ac/dc 1/8 IS10 - Rc -5°C +60°C IP40
RS庫存編號 906-9503
製造零件編號ADPS-08-2-N
HK$241.38
單位
- 10 kPa Differential Air, Gas, Non Combustible 7.94 mm Tube Pressure Switch 250V ac 7.94 mm ADPS SPDT - -20°C +85°C IP54
RS庫存編號 184-8548
製造零件編號IS10M-20-6L-A
BrandSMC
HK$879.64
單位
0.1MPa 0.7 MPa - Air, Inert Gas - Reed 100V ac/dc - IS10 Normally Open - -5°C +60°C IP40
RS庫存編號 175-2189
製造零件編號SPTW-P16R-G14-A-M12
BrandFesto
HK$1,436.98
單位
0bar +16 bar - - - Pressure Transmitter - - SPTW - - 0°C +80°C IP67
RS庫存編號 826-2521
製造零件編號IS10E-30F02-6L
BrandSMC
HK$903.32
單位
- 0.7 MPa Positive Pressure Air, Inert Gas G 1/4 in Reed 100V ac/dc 1/4 in IS10 Normally Open G -5°C +60°C IP40
RS庫存編號 598-838
製造零件編號R901102754
HK$2,042.15
單位
- 200 bar Positive Pressure Oil G 1/4 - 250V ac/dc 1/4 in HED8 - G -30°C +80°C IP65
RS庫存編號 297-0068
BrandRS PRO
HK$381.69
單位
5bar 50 bar Positive Pressure - G 1/4 Adjustable 250V ac 1/4 in F4 Normally Closed, Normally Open G -25°C +85°C IP65
RS庫存編號 721-3818
製造零件編號ISE30A-01-F-G
BrandSMC
HK$908.52
單位
- 1.5 MPa - - - - - M5 x 0.8, 1/8 in - - Metric, R - - -
RS庫存編號 121-5597
製造零件編號PEV-1/4-B
BrandFesto
HK$1,335.16
單位
- - - - - - - - - - - -20°C +80°C IP65