Pressure Switches
Function
Pressure switches serve two main funtions: Monitoring the build-up of pressure in central lubrication systems as well as correct pressure relief and communicating via signal with pump and pump units to control them.
Closer
A membrane (2) is impinged via pressure connection (1). If the resulting pressure is higher than the spring's (3) pre-tensioned spring force, the pressure tappet (4) moves together with the contact disc (5) in direction of the counter contact (6) and closes the electric circuit. If pressure sinks by the amount of hysteresis, the switch opens again.
Opener
The contact is reversed for the opener. Via adjusting screw (7), the pressure switch can be adjusted in its respective pressure range.
Changer
A changer is able to take both opener and closer function of a pressure switch.
Vogel Pressure switch - DS-W
- Pressure switch 1 to 30 bar
- Max. operating pressure 45 bar
- Switch voltage 250 volt
- Operating temperature max. +60°C
- Protection class IP 65
SKF Pressure switch - internal pressure monitor
- Switch pressure 1 to 28 bar
- Switch voltage max. 42 volt
- Operating pressure max. 80 bar
- Protection class IP 65
- Operating temperature max. +80°C
Vogel Pressure switch - internal pressure monitor - adjustable switch pressure
- Switch pressure: 1 to 10 bar
- Switch voltage: 24 volt
- Max. operating pressure: 100 bar
- Max. temperature: +80°C
- Protection class: IP 65
SKF Protection cap - internal pressure switch
- Protective cap
- For internal pressure switch
- Protects the pressure switch's contacts from pollution
Vogel Pressure switch - DS-EP-40-D-2 - electronic
- Nominal pressure 1-100 bar in 0,5 steps
- Per. over pressure: 200 bar
- Burst pressure > 500 bar
- Ambient temperature: -25 to +80°C
- Display selectable: bar, psi, MPa
SKF Pressure switch - DSB - for NLGI 1-2
- Per. operating pressure: max. 315 bar
- Switch pressure: max. 300 bar
- Switch pressure tolerance ±15% < 100bar
- Contact material: Ag-alloy, hard gold plated
- Connectable electric line Ø: 4,5 to 7mm
Vogel Pressure switch - DSC1-A040A-1A2A
- Nominal pressure range: 1-40 bar in 0,2 steps
- Per. over pressure: 100 bar
- Burst pressure > 150 bar
- Ambient temperature: -10 to +80°C
- Vibration stability: max. 10g (5-500 Hz)
Vogel Pressure switch - DSC2-A100E-2A2B
- Nominal pressure range: 1-100 bar in 0,2 steps
- Per. over pressure: 200 bar
- Burst pressure > 650 bar
- Ambient temperature: -20 to +80°C
- Vibration stability: max. 20g (5-500 Hz)
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