Transparent Level Gauge

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TSLG Series

Datasheet

Transparent level gauges are designed with two plate transparent glasses between which the fluid is contained, providing clear level indication due to the differing transparency of the liquid and vapor. For applications like water steam, a light source at the back of the gauge enhances visibility by reflecting light at the separation surface, ensuring accurate readings.

These gauges are versatile and suitable for various installations. They allow the use of mica or Polytrifluorochloroethylene shields to protect the glass from corrosive fluids, enable interface observation, and permit monitoring of liquid color. The metal body houses an internal chamber and front windows with high-resistance transparent glass, secured with sealing joints and cover plates. Typically, valves are added for shut-off and disassembly without draining the vessel. Transparent level gauges are ideal for colorless, fluid liquids and steam applications, offering durability and functionality in demanding environments.

Technical Specifications
Orientation of Process Connection

Top – Bottom Vertical / Side-Side Right / Side-Side Left

Process Connection

Flange Connection / Screwed Connection

Connection Size

15 NB to 50 NB

MOC of Liquid Chamber

CS / A 105 / SS 304 / SS 316 / 5S 316L

MOC of Cover Plate

CS / A 105 / SS 304 / SS 316 / SS 316L

Drain and Vent

½" NPT / ½" Ball Valve / ½" Needle Valve

Isolation Valves

Screwed Bonnet / Bolted Bonnet with Auto ball check

Gasket

CAF / PTFE / Graphoil

Toughened Glass

Indigenous / Klinger or Maxos Make

Scale

Acrylic / Aluminum / SS

Stud Bolts & Nut

ASTM A 193 Gr. B7 – ASTM A 194 Gr. 2H