Flat Liquid Level Gauge/ Oil Sight Glass Level Gauge

• Principle: Principle of Communicating Vessels
• Range: 0-3m
• Measurement Accuracy: ±8mm
• Accuracy: 1%
• Kind: Glass
• Structure: All in One
• Model NO.: X49H
• Warranty: 1 Year
• Certification: ISO9001
• Material: CS; SS304; SS316L; Ti; etc
• Process Temperature: -190~425℃
• Pressure: Very High Pressure
• Medium: Liquid Gas
• Glass Material: Borosilicate; Alumina-Silicate
• Gasket Type: Graphite Composite Gasket; Non-Asbestos Gasket; M
• Transport Package: Wooden Cases or Carton
• Specification: sgs, iso
• Trademark: Tianjin U-ideal Instrument
• Origin: Tianjin, China
• HS Code: 90261000
• Production Capacity: 3000PCS/Month

Product Description

Product Description

     Transparent level gauges are always fitted with two plate transparent glasses between which the fluid is contained. The fluid level is indicated as the result of the different transparency of the two media and in some cases (for water steam), by conveying upwards on to the surface of separation (between liquid and gaseous substances) a source of light located at the back of the gauge, the rays of which are totally reflected down to the observer.

     Reflex glass level gauges use glasses having the face fitted towards the chamber shaped to have prismatic grooves with section angle of 90°. When in operation, the chamber is filled with liquid in the lower zone and gases or vapors in the upper zone; the liquid level is distinguished by different brightness of the glass in the liquid and in the gas/vapor zone. The reflex level gauges do not need a specific illumination: the day environmental light is enough. Only during the night an artificial light must be provided.
     To avoid leakage in case of glass breakage, safety ball-check device can be provided in cross-fittings or shut-off valves. This kind of indicator is suitable for water/steam. To protect glass surfaces from corrosive action of the process fluid, Transparent Level Gauges can be fitted with Mica shields or Polytrifluorochloroethilene shields. This kind of indicator is suitable for liquids colorless and very fluid.

Applications
     Glass level gauges can be used in most of the cases and offer great advantages in terms of: low initial cost, low operating cost, easy level reading.

Features:
     1. They do not need electrical power to operate. This can be a great advantage in the case of a power outage.
     2. Simple to install - no calibration is necessary.
     3. Can be used as a reference to check, or calibrate, other level technologies.
     4. Pressure rating from vacuum to 10Mpa.
     5. Temperature rating from -20ºC to 450ºC
     7. Not affected by the chemical or electrical properties of the process liquid. 
     8. Specific gravity, dielectric, conductivity, surface turbulence, vapor, foam, etc. no longer needs to be considered.

Model	TBS-F	TBS-A	TBS-HR	TBS-HT	RFL-40C
Type	Reflex type	Transparent type	High pressure reflex type	High pressure Transparent type	90 degree Quick open/close type
C-C (mm)	325-3600				285-2590
Visible Length (mm)	95-3360				141-2433
Level Gauge Material	CS,SS304,SS316L,Ti,etc				Cast steel
Glass Material	Borosilicate;  Alumina-silicate
Gasket Type	Graphite composite gasket;  non-Asbestos gasket; Mica seal components
Working temperature ºC	≤450ºC
Working pressure Bar	40 (Groove glass) 100 (Plate glass)	100 (Plate glass)	40 (Groove glass) 160 (Plate glass)	160 (Plate glass)	40 (Groove glass)

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