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Indicators
Description
Deltadyne Differential Pressure Switch
Pall RCA series differential pressure indicators signal the need for filter element change by sensing the differential pressure between ports upstream and downstream of the filter element. They connect to the Deltadyne™ device port available on Pall filter housings.Electrical Connection
The switch is wired normally closed. Using normally closed configuration allows for the detection of damaged or broken cables or disconnection. The switch will automatically reset when differential pressure is reduced.
Switch can be wired using either normally open or normally closed configuration. The switch will automatically reset when differential pressure is reduced.
Specifications
| Fatigue Test Pressure: | 1 Million cycles at 0-400 bar (5800psi) |
| Operating Temperature: | Maximum Operating Temperature 120 °C (250 °F) Minimum Operating Temperature -20 °C (-4 °F) Minimum Ambient Temperature: -40 °C (-40 °F) |
| Fluid Compatibility: | Standard mineral oils and hydrocarbon-based synthetic Hydraulic and Lubrication fluids and Fuels |
| Materials of Construction: | Brass body |
| Seal Materials: | Fluorocarbon |
| Environmental: | IP67 to IEC 60529 connected or unconnected |
| Switch: RCA216/217 |
Normally closed single pole open on differential pressure exceeding set point |
| Switching Voltage: | 48V DC Maximum |
| Switching Current: | 0.5 A Maximum |
| Electrical Connectors: | RCA 216 - Connector Deustch DT04-2P to mate with Deutsch DT06-2S receptacle RCA 217 - Connector AMP Junior timer to mate with AMP junior timer receptacle 827551-3 and contacts 925596-1 |
| Switch: RCA218M |
Single pole, double throw (SPDT) switch state changes on differential pressure exceeding set point |
| Switching Voltage: | 48V DC Maximum or 250V AC |
| Switching Current: | 4 A Maximum |
| Electrical Connectors: | Hirschmann type |
| Switch: RCA218R |
Single pole, double throw (SPDT) switch state changes on differential pressure exceeding set point |
| Switching Voltage: | 24V DC |
| Switching Current: | 4 A Maximum |
| Electrical Connectors: | Hirschmann type with red and green LEDs that illuminate when switch operates |
| Visual indicator: RCA219 |
Window changes from white to red on detnation. All units automatically reset when differential pressure drops below set-point. |
| System Interface: | To fit all standard Pall threaded indicator ports |
Type
Diagnostic and Monitoring Equipment
Use
Monitoring
Ordering Information
Pressure Switch P/N: RCA [Table 1] Z [Table 2] Z
Table 1 - Connector Option
| Code | Connector |
| 216C | Deutsch DT04-2P |
| 217U | AMP Junior Timer |
| 218M | Hirschmann |
| 218R | Hirscmann with Red and Green LED indicators |
| 219D | Visual Indicator |
Table 2 - Pressure Setting
| Code | Pressure |
| 090 | 2.4 ± 0.3 bard (35 ± 4 psid) |
| 091 | 3.4 ± 0.4 bard (50 ± 6 psid) |
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