Soliswitch FTE31, Thread NPT
Technical Data
ComparePoint Level / Solids
| Measuring Principle | Paddle |
| Characteristic / Application | universally applicable as a full, empty and demand alarm on silos containing solids |
| Specialities | Hinged paddle for retro-fitting |
| Supply / Communication | 230V 50/60 Hz 115V 50/60 Hz 48V 50/60 Hz 24V 50/60 Hz 20 to 28 VDC |
| Ambient temperature | -20 °C ... 60 °C (-4 °F ... 140 °F) |
| Process temperature | -20 °C ... 80 °C (-4 °F ... 170 °F) |
| Process pressure / max. overpressure limit | 0.5 bar to 1.5 bar (7 psi to 22 psi) |
| Min. density of medium | >= 100 g/l |
| Main wetted parts | Shaft: 1.4435 Paddle: 1.4435 |
| Process connection | Threaded boss - thread NPT 1 1/4" or NPT 1 1/2" |
| Sensor length | Standard: 75 mm (3") 100 mm (4") 200 mm (8") 300 mm (12") 400 mm (16") 500 mm (20") 600 mm (24") |
| Communication | Relay |
| Certificates / Approvals | FM DIP Cl.II,III, Div.1 Gr.EFG CSA DIP Cl. II,III, Div.1, Gr.EFG |
| Application limits | max. grain size 50 mm (2") |
The economical Soliswitch FTE31 is a paddle-type level switch for limit detection of bulk solids. The robust polymer housing and one-piece design make it the ideal sensor for detecting full, empty and demand states of bulk solids. The device uses an optimized polymer material and robust construction, suitable for dust explosion hazardous areas.
Advantages
Economical paddle-type limit switch for dust explosion hazardous areas
Simple operation
Proven measuring principle
Sliding clutch
Degree of protection IP65/NEMA 4x/Type 4x
Areas of application
The Soliswitch FTE31 universal limit switch can be used to monitor the full and empty states of bulk solids in silos and to issue alarm signals. Its construction and materials are suitable for the food industry and it is approved for dust Zone 20; it can also be used for other measurement applications.
Grain
Sugar
Cocoa beans
Animal feed
Detergent
Chalk
Dry gypsum
Cement
Granules
Wood chips
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Technical documentation
Technical data
Documents/Manuals/Software
Accessories/Spare parts
Measuring principle video
Source:Endress+Hauserwebsite public information
Case Studies
Municipal Wastewater Treatment — Wastewater Treatment Plant · Rotary Application Case
Project Background
Municipal Wastewater Treatment customers at the Wastewater Treatment Plant stage have long faced the challenge of insufficient accuracy in effluent quality monitoring and instruments prone to contamination causing data drift, affecting compliance discharge, placing higher demands on the stability and measurement accuracy of Rotary.
Solution
Based on the on-site conditions, the Ainstru technical team selected suitable Rotary for the customer and delivered one-stop service covering selection, installation, commissioning and tuning.
Results
- Measurement accuracy and response speed significantly improved, with stable and reliable data;
- Instruments adapt to complex Municipal Wastewater Treatment conditions, greatly reducing maintenance;
- Helping customers achieve continuous online monitoring and cost reduction, highly recognized by customers.
Food & Beverage — Food Production Line · Rotary Application Case
Project Background
Food & Beverage customers at the Food Production Line stage have long faced the challenge of high hygienic measurement requirements, with inline instruments needing to withstand CIP/SIP cleaning while maintaining stable accuracy, placing higher demands on the stability and measurement accuracy of Rotary.
Solution
Based on the on-site conditions, the Ainstru technical team selected suitable Rotary for the customer and delivered one-stop service covering selection, installation, commissioning and tuning.
Results
- Measurement accuracy and response speed significantly improved, with stable and reliable data;
- Instruments adapt to complex Food & Beverage conditions, greatly reducing maintenance;
- Helping customers achieve continuous online monitoring and cost reduction, highly recognized by customers.
Chemical & Pharmaceutical — Reactors and Storage Tanks · Rotary Application Case
Project Background
Chemical & Pharmaceutical customers at the Reactors and Storage Tanks stage have long faced the challenge of highly corrosive media and complex conditions, requiring corrosion-resistant and explosion-proof instruments, placing higher demands on the stability and measurement accuracy of Rotary.
Solution
Based on the on-site conditions, the Ainstru technical team selected suitable Rotary for the customer and delivered one-stop service covering selection, installation, commissioning and tuning.
Results
- Measurement accuracy and response speed significantly improved, with stable and reliable data;
- Instruments adapt to complex Chemical & Pharmaceutical conditions, greatly reducing maintenance;
- Helping customers achieve continuous online monitoring and cost reduction, highly recognized by customers.
Power & Energy — Power Plant Boiler and Turbine · Rotary Application Case
Project Background
Power & Energy customers at the Power Plant Boiler and Turbine stage have long faced the challenge of unstable measurement under high temperature and pressure, with high maintenance and downtime costs, placing higher demands on the stability and measurement accuracy of Rotary.
Solution
Based on the on-site conditions, the Ainstru technical team selected suitable Rotary for the customer and delivered one-stop service covering selection, installation, commissioning and tuning.
Results
- Measurement accuracy and response speed significantly improved, with stable and reliable data;
- Instruments adapt to complex Power & Energy conditions, greatly reducing maintenance;
- Helping customers achieve continuous online monitoring and cost reduction, highly recognized by customers.
