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 844-4666
製造零件編號PSE540-R06
BrandSMC
HK$571.48
單位
0MPa 1 (Operating) MPa, 1.5 (Proof) MPa Positive Pressure Air, Non Corrosive Gas, Non Flammable Gas Push In 6 mm Analog Output 12 → 24V dc - PSE540 - - 0°C +50°C IP40
全新
RS庫存編號 202-3244
製造零件編號SDE5-V1-NF-Q6-V-M8
BrandFesto
HK$719.00
單位
0bar -1 bar - Air M8 - - - - - - - - -
RS庫存編號 513-5151
製造零件編號6442-0014
BrandHerga
HK$738.22
單位
- - - - - - - - 6442 - - - - -
RS庫存編號 743-6627
製造零件編號ISE30A-01-P-GB
BrandSMC
HK$883.68
單位
-0.1MPa 1 MPa Positive Pressure Air, Gas R 1/8 - 12 → 24V dc 1/8 in ISE30A - R 0°C +50°C IP40
RS庫存編號 175-4526
製造零件編號VPEV-W-KL-LED-GH
BrandFesto
HK$597.29
單位
-1bar 0 bar Relative Pressure Air M5 Vacuum Switch 10 → 30V M5 VPEV SPDT Metric 0°C +60°C IP20
RS庫存編號 184-8548
製造零件編號IS10M-20-6L-A
BrandSMC
HK$883.81
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 136-6271
BrandRS PRO
HK$592.55
單位
0.5bar 8 bar Electro-Mechanical Compressed Air, Gas, Pneumatic M12 x 1 - 30V M12 x 1 - - NPT -10°C +85°C IP67
RS庫存編號 743-6611
製造零件編號ISE40A-M5-T
BrandSMC
HK$1,280.00
單位
-0.1MPa 1 MPa Positive Pressure Air, Gas M5 x 0.8 Reed 12 → 24V dc M5 x 0.8 ISE40A - Metric -5°C +50°C IP65
RS庫存編號 844-4644
製造零件編號PS1000-R06L
BrandSMC
HK$808.61
單位
- 1 MPa Positive Pressure Air, Non Corrosive Gas, Non Flammable Gas Push In 6 mm NPN, PNP - - PS1000 - - 0°C +60°C IP40
RS庫存編號 289-5513
製造零件編號M/58024/VF
HK$742.54
單位
-1bar -0.2 bar Vacuum Air G 1/8 - 250V ac/dc 1/8 in M/58024 Normally Closed G -20°C +80°C IP55
RS庫存編號 366-3963
製造零件編號0880100
BrandNorgren
HK$1,065.38
單位
-1bar 0 bar Positive Pressure Gas, Liquid G 1/4 - - 1/4 in 18D Normally Closed, Normally Open G 0°C +80°C IP65
RS庫存編號 184-8550
製造零件編號IS10E-40F04-6L-A
BrandSMC
HK$913.42
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
RS庫存編號 743-6620
製造零件編號ISE30A-01-F-L
BrandSMC
HK$867.97
單位
-0.1MPa 1 MPa Positive Pressure Air, Gas R 1/8 - 12 → 24V dc 1/8 in ISE30A - R 0°C +50°C IP40
RS庫存編號 175-4608
製造零件編號VPEV-1/8-M12
BrandFesto
HK$1,130.98
單位
-1bar 1.6 bar Relative Pressure Air G 1/8 Vacuum Switch - 3.175 mm VPEV SPDT G -20°C +80°C IP65
RS庫存編號 407-6095
製造零件編號0883300
BrandNorgren
HK$1,157.96
單位
25bar 250 bar Positive Pressure Fluid, Oil - - - - 18D Normally Closed, Normally Open - -20°C +80°C IP65
RS庫存編號 880-2289
BrandRS PRO
HK$993.04
單位
1bar 12 bar - Fluid 1/4 in BSP Male Adjustable 250V ac 1/4 in F4 Normally Closed, Normally Open G -25°C +85°C IP65
RS庫存編號 753-1425
製造零件編號ISE40A-01-V-X501
BrandSMC
HK$2,491.24
單位
-0.100MPa 1 MPa Positive Pressure Air, Non Corrosive Gas, Non Flammable Gas R 1/8 Reed, Solid State 12 to 24V dc 1/8 in ISE40A - R -5°C +50°C IP65
全新
RS庫存編號 202-3268
製造零件編號SDE5-D10-NF-Q6-V-M8
BrandFesto
HK$719.00
單位
0bar 10 bar - Air M8 - - - - - - - - -
RS庫存編號 196-1150
製造零件編號ISE80-F02-T
BrandSMC
HK$2,756.70
單位
-0.1MPa 1 MPa Positive Pressure - R 1/4 (M5 Female Threaded) Digital Pressure Switch 12 → 24V dc 1/4 in ISE80 - R 0°C +50°C IP65
全新
RS庫存編號 202-3275
製造零件編號SDE3-D10D-B-FQ4-2P-M8
BrandFesto
HK$1,760.34
單位
0bar 10 bar - Air M8 - - - - - - - - -