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NIVOROTA Rotary Paddle Level Switch
Brand: Nivelco Process Control Co.The new NIVOROTA rotary paddle level switch series of well-known NIVELCO design can be used for detecting the level of lumpy or powdery materials and granules.
Mounted to tanks, silos and hoppers it can monitor and control level, filling and emptying of stored materials such as stone, fly ash, sand, coal, feed, beet slice, etc.
A small power electric motor drives the paddle which rotates freely in the absence of the material.
When the paddle is immersed by the material reaching it, the motor will be switched off the same time triggering the output contact switch.
When the material level drops the paddle runs free again, the motor is reactivated and the switch returns to its original state.
The new series NIVOROTA E-700 & E-800 rotary paddle level switches provide all the advantageous features of the previous series in one unit. Dust Ex versions are available for use in hazardous environments.
Features- Level switching of free flowing solids
- Automatic motor shutdown
- IP 67 protection
- High temperature version
Specifications
Ambient Temperature Range
- -30° to 60° C (-22° to 140° F)
Approvals & Certifications
- ATEX - Ex II 1/2 D Ex Tb IIIC T° C IP67
- BKI
- CE 1418
BSP Connection
- 1” BSPT Male
- 1-1/2” BSPT Male
Class
- Electrical Protection: Class I
Consumption
- Power: 4 VA / W, Max.
Electrical Connectors
- 0.5 to 2.5 mm² Wire Cross Section
- Cable Gland
- Plastic M20 x 1.5
- Screw Terminal
Electrical Contacts
- Normally Closed
- Normally Open
Enclosure, Body Material
- Paint Coated Aluminum
- Plastic (PBT) - NIVOROTA EK Model
Environmental Protection
- Explosion-proof
- IP67
Indication
- Paddle Rotation/Shutdown Indication: Bi Colour (Green/Red) LED
Length
- Insertion: 0.66 to 10 feet (0.2 to 3 metres)
Materials of Construction
- Paddle: AISI 316Ti Stainless Steel, 1.4542
Mounting
- Side Mounting
Output
- 120 Vac
- 230 Vac
- 24 Vac
- 24 Vdc
- Micro Switch (SPDT): 10 A at 250 Vac
Power Supply
- 120 Vac (10 %-15 %)
- 230 Vac (10 %-15 %)
- 24 Vac (10 %-15 %)
- 24 Vdc (10 %-15 %)
Pressure Range
- Medium - psi: 43.51 (kPa: 300, bar: 3) - Max.
Process Temperature
- -20° to 120° C (-4° to 248° F) - NIVOROTA EK 700 Model
- -20° to 200° C (-4° to 392° F) - NIVOROTA EH Model
- -20° to 80° C (-4° to 176° F) - NIVOROTA EK 800 Model
Seat / Seal Material
- Seal: fpm - NIVOROTA EH Model
- Seal: NBR - NIVOROTA EK Model
Speed
- Rotation: 1 rpm Approximately
Switch Type
- SPDT
Wetted Materials
- 316Ti Stainless Steel, 1.4542
- Building Industry
- Chemical Industry
- Energy Industry
- Food Industry