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Glass tube level gauge

 Glass tube level gauge

Glass tube level gauge

  • It is mainly used for liquid level measurement of hg-5, hg-5, etc
Product details

HG5 type Glass tube level gauge It is a local liquid level measuring instrument produced according to hg5-227-80 standard of the former Ministry of chemical industry. It is mainly used to directly display the height of medium liquid level in various tanks, towers, tanks and tanks.

Structure principle of glass tube level gauge
The upper and lower valves of the instrument are equipped with PN1.6MPa, DN20 flange. Through the flange welded on the container, it forms a communicating device with the container, and the height of the medium liquid level in the container can be directly displayed through the glass tube.
Both ends of the instrument are equipped with needle valve, and the needle valve is equipped with steel ball. When the glass tube is broken due to accident, the steel ball will automatically close the needle valve channel under the pressure of the vessel to prevent the medium from flowing out of the container.
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Main technical indexes of glass tube level gauge

Measuring range (installation center distance L ): three hundred five hundred six hundred eight hundred one thousand one thousand and two hundred one thousand and four hundred one thousand and seven hundred 2000mm
working pressure:
≤1.6MPa
Material: carbon steel, stainless steel

Working temperature: ≤200
Connection flange standard: HGJ46-91 PN1.6 DN20 Protrusion
Other flange standards such as JB/T GB ANSI Please indicate. ?
Heat tracing steam pressure:
≤0.6MPa
Steam jacket joint: G1/2" External thread

Self sealing pressure of steel ball: ≥0.2MPa

Center distance installation L And scale scale L1 The relationship between

L

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three hundred

five hundred

six hundred

eight hundred

one thousand

one thousand and two hundred

one thousand and four hundred

one thousand and seven hundred

two thousand

H

one hundred and fifty

three hundred and fifty

four hundred and fifty

six hundred and fifty

eight hundred and fifty

one thousand and fifty

one thousand two hundred and fifty

one thousand five hundred and fifty

one thousand eight hundred and fifty

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? Characteristics of glass tube level gauge

Direct reading instrument, accurate reading.
It has simple structure and convenient maintenance.
It is durable.
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Instructions for ordering glass tube
Please provide the following data when ordering:
Model and specification
● measurement range (center distance L)
Working pressure
Operating temperature
Material requirements
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Instructions for use of glass tube level gauge
In order to ensure the self sealing effect, the medium pressure in the container should be greater than 0.2MPa.
When opening the upper and lower valves, the number of valve stem exit should not be less than 4 turns, so as to prevent the steel ball from touching the top of the valve stem when self sealing.
Model and marking standard series
name
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Standard number Model mark Specification (mm)
Glass tube level gauge HG5-227-80 DA I PN1.6
three hundred
five hundred
six hundred
eight hundred
one thousand
one thousand and two hundred
one thousand and four hundred
one thousand and seven hundred
two thousand
Glass tube level gauge HG5-227-80 DB I PN1.6
Glass tube level gauge HG5-227-80 DA II PN1.6
Glass tube level gauge HG5-227-80 DB II PN1.6
Glass tube level gauge HG5-227-80 WA I PN1.6
Glass tube level gauge HG5-227-80 WB I PN1.6
Glass tube level gauge HG5-227-80 WA II PN1.6
Glass tube level gauge HG5-227-80 WB II PN1.6
Level gauge needle valve HG5-227-80 A I B I pn1.6
Needle valve of liquid level gauge HG5-227-80 (below) a I B I pn1.6
Needle valve of liquid level gauge HG5-227-80 A II B II pn1.6
Needle valve of liquid level gauge HG5-227-80 (below) a II B II pn1.6
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Note: d-non insulation type, w-insulation type, I-Carbon steel, ii-stainless steel, a-plane flange, b-convex flange
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label:
 Glass tube level gauge

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