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PJ Series 2 SPDT High Range Pressure Difference Switch
Brand: Orion InstrumentsPJ series pressure difference switches are housed in die cast aluminum powder coated enclosure and are recommended for panel mounting or outdoor service depending on the type of enclosure opted for.
No stage differential can be set in these 2SPDT versions (PJ series).
Both microswitches are synchronized for operation within practical limits and a slight stage difference is bound to remain between the setpoints (generally not exceeding 2% of FSR).
The scale indicates the falling setpoint for one of the microswitches.
The repeat accuracy is better than 2% Full ScaleR. 3/8” cable entries are provided for cables and a terminal strip suitable for wired ends is fitted inside the enclosure.
Other variations for cable termination such as plugin connectors can be provided.
Pressure ports are ¼” BSPF standard.
Features- Compact
- Separate chamber for working parts
- Choice of wetted parts to suit working media
- Electrical rating: 5 A at 250
- Vac, 0.2 A at 250 Vdc
- Pressure ports: 1/4" Female BSP
Specifications
Brand
Accuracy
- 2 % of Full Scale Range
Applications
- Large Power Plant
- Strainers
- Switch Fitted with Extra Microswitch for Emergencies
- Water Treatment Plants
BSP Connection
- 1/4" BSP Female
Diaphragm Material
- Neoprene
- Sealing Diaphragm: Teflon
Differential Pressure
- psi: 2.90 to 5.80 (kPa: 20 to 40, bar: 0.20 to 0.40)
Disc Material
- 316 Stainless Steel
- Aluminum
- Brass
Electrical Rating
- 0.2 A at 250 Vdc
- 5 A at 250 Vac
Environmental Protection
- IP54
- IP65 as Per IS 2147
Materials of Construction
- Plunger, CSK Screw: 316 Stainless Steel
O-Ring Material
- Teflon
Set Point - Decreasing
- bar: 0.1 to 3.6
- kPa: 10 to 360
- psi: 1.45 to 52.21
Set Point - Increasing
- bar: 0.1 to 3.6
- kPa: 10 to 360
- psi: 1.45 to 52.21
Switch Type
- SPDT
System Pressure
- bar: 0 to 12
- kPa: 0 to 1,200
- psi: 0 to 174