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High Pressure Glass Level Gauge For Petrochemical Industry , Carbon Steel Covers

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High Pressure Glass Level Gauge For Petrochemical Industry , Carbon Steel Covers

Brand Name : RST
Model Number : ULB-T900
Place of Origin : China
MOQ : 1
Price : negotiation
Payment Terms : T/T, Western Union
Delivery Time : 10-30 work days
Packaging Details : Wooden packaging
Glass plate dimensions : 140×34×17mm
Flange Centre distance L : 500mm,800mm,1100mm,1400mm
Body : square bar 90×60
Scale : 10mm
Gasket : Graphite gaskets
Valve : Ball-check valve
Ball-check valve working pressure : ≥0.3MPa
Certification : ISO9001
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ULB-T900 High Pressure Transparent Glass Level Gauge with square bar 90×60

Product specification



Glass materialBorosilicate
GasketGraphite gaskets
Bodysquare bar 90×60
Visual rangeH=L -240mm
Nominal pressure≤900LB
Heating steam jacket jointsR3/8 or special requirements
Heating steam pressure≤1.0MPa
Operating temperature-20℃~+350℃
Wetted material20 304 or special requirements
Material of covers45# forged steel
Thickness of covers35mm

Double-screw Bolt

Vent and drain outletM12×1.5(MF) or valve
Material of coversCarbon steel


ULB–T900 glass level gauge engineers its high pressure cover to allow maximum rated pressure regardless of glass size. High pressure gages resist torsional stresses exceptionally well to provide a process gage for the most demanding applications.

It does not recommend high pressure gages for steam/water applications. They are designed for high pressure, but low thermal cycle duty.

Working principle

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, 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.


Continuous level indication without power supply.
Direct indication of the level.
Individual design and corrosion resistant materials make the products suitable for a broad range of applications.
Chemical, petrochemical industry, oil and natural gas extraction(on-and offshore),shipbuilding, machine building, power generating equipment, power plants.
Oil and gas, heat transfer and refrigeration systems, plants for cryogenics.


Transparent level gauges are suitable for almost all installations.

In fact they permit:

- the use of mica shields to protect the glass form the corrosive action of the process fluid;

- the observation of interface;

- the observation of the liquid colour.

- can be used as a reference to check, or calibrate, other level technologies.

- Not affected by the chemical or electrical properties of the process liquid. Specific gravity, dielectric, conductivity, surface turbulence, vapor, foam, etc. no longer needs to be considered.


The main body of the sight glass level gauge, contains the liquid channel.
For the clamping of the sight glass plate
Flat gasket
Chambered sealing between the liquid channel and the environment
Sight glass plates per QB2112
Mechanical protection between cover and glass
Bolt, nut
Hold the forces form the internal pressure
Glass size
Standard lengths of sight glass plates per QB2112, width 34 mm, thickness 17 mm
Valve heads
Valve heads isolate the vessel from the sight glass level indicator. They consist of the valve body and the head piece. They are actuated by a valve with quick closing lever or hand-wheel. In general, they are fitted with a ball-check valve as a safety element.
Ball-check valve
The ball-check valve should prevent any major spillage from the sight glass level indicator in the event of any glass or mica breakage or other sizable leakge. For this purpose there is, under the valve seat(pressure>0.5bar).in this way, the flow is sharply reduced. The closing of the valve presses the ball back into its starting position.

Product Tags:

transparent level gauge


plate type level gauge

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