Japan, Tokyo Keiso
Tokyo Keiso FS-100 Series Spring Balanced Displacer Type Level Switch
Made in Japan
Manufacturer: Tokyo Keiso
Model: FS-100 Series
FS-100 is a spring balanced displacer type level switch.
The pressurized part and electric part are perfectly isolated by magnet coupling system to offer much more safety and durability compared to other mechanical sealing types. FS-100 can meet tough application with high temperature and high pressure. Hermetical seal switch is newly added for heavy duty applications.
Features
- Wide selection range for temperature and pressure.
- Variety of material selection for displacer, spring and chambers for suitable anticorrosive capability.
- Perfect isolation between pressurized part and electric compartment by magnetic coupling for high reliability and safety.
- In addition to watertight construction, pressure tight and intrinsically safe versions are ready to meet hazardous application.
Especially, pressure tight flameproof suitable for Hydrogen atmosphere (Ex dIIC T6) is available which eliminates the necessity of safety barriers.
Applications
- Fuel oil tank level control
- Process control for petrochemical plants
- Water treatment plants
- Other liquid level control
Specifications
Measuring theory | By spring balanced displacer |
Measuring object | All types of liquids (Viscosity: Max. 600 mPa·s. Liquid without sticking, crystallization, or freezing) Level measurement: Density 0.45 g/cm³ or more Interface measurement: Density difference of 0.2 g/cm³ or more *Number of points for alarm: 1 point |
Pressure range | Full vacuum to 4.9 MPa |
Temperature range | -60 to +400℃ (Up to -196°C on request. Consult factory for details) |
Process connection | Tank top: 3″ flanges (4″ for low density)
Tank side chamber: 1″ flange |
Construction | (1): Water tight construction: equiv. to IP 65
(2): Flameproof construction: Ex d IIC T6 (3): Intrinsically safe construction: Ex ia IIC T6 |
Material | Liquid and vapor contact part: SUS304, SUS316
Displacer: SUS304, SUS316, SUS316L (Option: UNS N10276, TP340) Flange: Carbon steel, SUS304, SUS316, SUS316L Packing: Vortex gasket Housing: Aluminum alloy Other material on request |
Alarm contacts | Number of point: Max. 4 points Applicable alarm of interface detection is 1 point Type of switch: Std.: 1 x SPDT Microswitch Option: 2 x SPDT Microswitch |
Accuracy | ・Accuracy: ±10mm (Density 1.0g/cm³) ・Repeatability: ±5mm (Density 1.0g/cm³) ・Reset span: Max.40mm (Density 1.0g/cm³) *For level detection with water (AMB, ATM). |
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