Glass Plate / Glass Tube Level Gauge

Name: Glass Plate / Glass Tube Level Gauge
Brand: WELK Level

Direct-reading glass plate or glass tube level gauge for local tank indication where magnetic indication is not required.

IndicationDirect glass view

TypesReflex / transparent / tube

MountingSide / flange / thread

UseLocal indication

Request quote Attach files

Why choose· 01

Built for your duty.

Covers local gauge demand

supplier catalog has many sight glass and glass level listings; the useful industrial subset should be separated from vehicle oil indicators.

Direct visual confirmation

Operators can see actual liquid level through reflex, transparent or tubular glass designs.

Application-limited

Pressure, temperature, liquid compatibility and glass protection decide whether this is suitable or a magnetic gauge is safer.

Engineer-checked selection

WELK checks range or center-to-center distance, medium, density, pressure, temperature, flange standard, switch points and transmitter need so the quoted configuration matches the application.

Application-matched configuration

Selection notes focus on real tank conditions, measuring range, process connection, output signal and installation limits.

Product details· 02

How it is selected & specified.

Glass plate and glass tube level gauges are local indication instruments for tanks and vessels where a direct visual liquid level is acceptable.

This page does not mix this with small engine oil sight glasses on the website. The product page should focus on industrial tank gauges with defined pressure, temperature, valve and protection requirements.

Glass Plate / Glass Tube Level Gauge is presented as a configurable WELK product family. Final model limits, wetted materials, process connection, certificate and output signal are confirmed from the selected datasheet before quotation.

Magnetic and local gauge selection depends on center-to-center distance, density, pressure, temperature, flange standard, chamber material, visibility requirement and whether switches or a transmitter are needed.

Glass gauges are visual instruments; pressure, temperature, glass protection and operator safety must be reviewed.

Specifications· 03

Glass Plate / Glass Tube Level Gauge specification range.

Parameter	Value
Indication principle	Direct visual level through glass plate or glass tube
Types	Reflex, transparent, tubular or sight-glass style by duty
Connection	Flange, thread or valve set by vessel
Materials	Carbon steel, 304, 316L or compatible body by medium
Use limit	Pressure, temperature, toxicity and glass protection must be reviewed
RFQ data	Range, connection, pressure, temperature, medium, valve need and glass type
Material options	Borosilicate; Alumina-silicate
Temperature rating	≤450℃
Accuracy class	±0.1%
Pressure rating	≤20Mpa

Applications· 04

Where this product works.

Local tank indicationUtility vesselsOil and water tanksLow-to-medium pressure process vesselsBoilersPressure vesselsChemical storageOil tanks

Application

Boilers & Process Vessels

Pressure vessels and thermal systems

Wetted materials & output options.

304316LStainless SteelBorosilicate GlassCustom rangeProcess connectionWetted material

Send medium, range, tank geometry, process connection and output signal for model review.

Packaging & shipping· 05b

Export packing as standard.

Packed for export with protected sensor head, probe/antenna/chamber support where needed, model label, wiring note and requested inspection or calibration documents.

Packaging and documents →

Spec siblings· 05c

Spec siblings & common glass plate / glass tube level gauge specs.

Indication principle Types Connection Materials Use limit RFQ data

FAQ· 06

Glass Plate / Glass Tube Level Gauge questions.

What dimensions are needed for Glass Plate / Glass Tube Level Gauge?

Start from range or center-to-center distance, medium, density, pressure, temperature, flange standard, switch points and transmitter need. WELK then confirms the exact model, material and output before quotation.

What is the difference between Glass Plate / Glass Tube Level Gauge and radar?

Glass Plate / Glass Tube Level Gauge is selected for its specific duty and limitations. WELK compares it with radar, differential pressure, magnetostrictive transmitter when the process data suggests another technology may be safer.

Can Glass Plate / Glass Tube Level Gauge be customized?

Yes. Range, process connection, wetted material, output signal, cable length, display, switch points, documents and OEM label can be reviewed by product family.

What are the common limits of Glass Plate / Glass Tube Level Gauge?

Glass gauges are visual instruments; pressure, temperature, glass protection and operator safety must be reviewed.

Are the listed specifications final for every project?

No. Published values are typical selection ranges. WELK confirms final limits, material, output, certificate and documents from the actual process data before quotation.

Need glass plate / glass tube level gauge? Send the conditions.

Attach tank drawings, old instrument photos or datasheets if available.