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Color quartz tube level gauge
The UGS (UNS) series color quartz tube liquid level gauge is developed using the latest technology both domestically and internationally. It utilizes
Product details
Principle of Color Quartz Tube Liquid Level Gauge
The UGS (UNS) series color quartz tube level gauge utilizes the principle of natural light refraction and reflection in liquids.
By using red and green chips, the liquid phase is displayed in green and the gas phase is displayed in red during measurement. Due to the large contrast and clear indication of liquid and gas phases, it is more advantageous for remote operation and night patrols.
Overview of Color Quartz Tube Liquid Level Gauge
The UGS (UNS) series color quartz tube level gauge (hereinafter referred to as the color level gauge) is developed using relatively new technologies both domestically and internationally. It utilizes the principle of natural light refraction and reflection in liquids, with the help of red and green plates, to make the liquid phase display green and the gas phase display red during measurement. Due to the large contrast and clear indication of liquid and gas phases, it is more advantageous for remote operation and night patrols. Therefore, it is widely used in various transparent liquid containers and boilers in industries such as petroleum, chemical, power, metallurgy, etc., for liquid level measurement of oil products and chemical raw materials such as water, gasoline, liquefied gas, liquid ammonia, propane, propylene, aromatic hydrocarbons, acids, etc. For interface measurements of two different medium densities, a three color interface quartz tube level gauge can be used. The three color interface quartz tube liquid level gauge is designed based on the principle of buoyancy and specific gravity difference. The small float in the quartz tube is suspended at the boundary between the two media. Due to the black color of the float, the liquid color in the upper and lower parts is different, making the display eye-catching. Thus solving the problem of unclear interface between two mixed media that has been troubling in the petrochemical production process. It is currently the most ideal direct reading liquid level gauge both domestically and internationally.
Usage Description of Color Quartz Tube Liquid Level Gauge
| product name | model | Purpose and occasions of use |
| Common | UGS-A | The two ends of the liquid level gauge are valves with safety devices. When the quartz tube is accidentally damaged, it can prevent the medium from flowing out of the container. Due to the small valve channel, it is suitable for measuring low viscosity media. |
| Direct type | UGS-B | Both ends are connected by three-way flanges without safety devices. Due to its 20mm diameter, it can measure the liquid level of viscous media |
| No blind spot straight through type | UGS-C | Both ends are connected by three-way flanges without safety devices. Due to its 20mm diameter, it can measure the liquid level of viscous media, with a measurement range equivalent to the displayed height |
| Color level gauge | UGS-A、B、C-1 | Measure the liquid level of transparent and colorless liquids in situations where the interface is well lit |
| Steam jacket type | UGS-A、B、C-2 | Comes with a steam tracing jacket for use in cold weather conditions |
| Frost proof type | UGS-A、B、C-3 | Additional anti frost device, used for low-temperature media, to avoid surface condensation caused by low-temperature media |
| Lighting type | UGS-A、B、C-4 | Measure the liquid level and interface of colored liquids with weak light, and for night monitoring occasions, equipped with lighting devices |
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product name
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model
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Purpose and occasions of use
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Common
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UGS-A
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The two ends of the liquid level gauge are valves with safety devices. When the quartz tube is accidentally damaged, it can prevent the medium from flowing out of the container. Due to the small valve channel, it is suitable for measuring low viscosity media.
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Direct type
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UGS-B
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Both ends are connected by three-way flanges without safety devices. Due to its 20mm diameter, it can measure the liquid level of viscous media
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No blind spot straight through type
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UGS-C
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Both ends are connected by three-way flanges without safety devices. Due to its 20mm diameter, it can measure the liquid level of viscous media, with a measurement range equivalent to the displayed height
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Color level gauge
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UGS-A、B、C-1
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Measure the liquid level of transparent and colorless liquids in situations where the interface is well lit
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Steam jacket type
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UGS-A、B、C-2
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Comes with a steam tracing jacket for use in cold weather conditions
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Frost proof type
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UGS-A、B、C-3
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Additional anti frost device, used for low-temperature media, to avoid surface condensation caused by low-temperature media
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Lighting type
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UGS-A、B、C-4
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Measure the liquid level and interface of colored liquids with weak light, and for night monitoring occasions, equipped with lighting devices
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UGS display height and measurement range relationship table (display height is the ruler height)
(Unit: millimeters)
(Unit: millimeters)
| Measurement range L | 300 | 500 | 800 | 1100 | 1400 | 1700 | 2000 |
| Display height H | 100 | 300 | 600 | 900 | 1200 | 1500 | 1800 |
Selection Form of Color Quartz Tube Liquid Level Gauge
| UGS | A | Valve with safety device | structural style | ||||||
| B | Equipped with a drain valve but no safety device | ||||||||
| C | No blind spots | ||||||||
| 1 | Common | attachment | |||||||
| 2 | With steam jacket type | ||||||||
| 3 | Type with anti frost device | ||||||||
| 4 | Type with lighting device | ||||||||
| S | Measure liquid level (dual color) | Measurement characteristics | |||||||
| J | Measurement interface (three color) | ||||||||
| A | Flange connection DN20, 25 | Connection form | |||||||
| G | Threaded connection G3/4 " | ||||||||
| 1 | 1.6 |
nominal pressure
（MPa）
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|||||||
| 2 | 2.5 | ||||||||
| 3 | 4.0 | ||||||||
| 4 | 6.4 | ||||||||
| 5 | 10.0 | ||||||||
| C | carbon steel | Liquid receiving material | |||||||
| F | Stainless steel (304, 316L) | ||||||||
| 03 | 300 |
measuring range
（mm）
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|||||||
| 05 | 500 | ||||||||
| 08 | 800 | ||||||||
| 11 | 1100 | ||||||||
| 14 | 1400 | ||||||||
| 17 | 1700 | ||||||||
| 20 | 2000 | ||||||||
| X | Special specification size X followed by size number | ||||||||
Characteristics of Color Quartz Tube Liquid Level Gauge
Clear liquid and gas phase display, no blind spots, good sealing performance, high temperature and high pressure resistance, anti viscosity, light weight, long service life, and no leakage.
Simple structure, easy installation and maintenance, corrosion-resistant, no need for power supply, explosion-proof.
Main technical indicators of UGS series color quartz tube level gauge
Specially made 99.99% SiO2 transparent quartz tube, with a deformation point of 1077 ℃ and a softening point of 1730 ℃.
The compression strength is 1170Kg/cm3, and the expansion system number is 5.5 × 10-7. After special processing, it has high temperature resistance, high pressure resistance, and excellent mechanical properties.
Work pressure: 1.6, 2.5, 4.0, 6.4, 10.0MPa
● Working temperature: ＜ 520℃
Measurement range L: The measurement range is determined by the center distance: 300, 500, 800, 1100, 1400, 1700, 2000mm. Please indicate the size for special specifications.
● Heat tracing steam jacket: working pressure 0.6MPa, pipe size G1/2 "external thread.
Interface flange: Adopting the HG20592~20635-97 flange standard newly issued by the Ministry of Chemical Industry in 1997. Flange diameter DN20 DN25， If users need to adopt other standards (such as GB, ANSI, etc.), they can design according to their needs. Automatic sealing pressure of steel ball: greater than 0.2MPa, weight 15~30kg.
Clear liquid and gas phase display, no blind spots, good sealing performance, high temperature and high pressure resistance, anti viscosity, light weight, long service life, and no leakage.
Simple structure, easy installation and maintenance, corrosion-resistant, no need for power supply, explosion-proof.
Main technical indicators of UGS series color quartz tube level gauge
Specially made 99.99% SiO2 transparent quartz tube, with a deformation point of 1077 ℃ and a softening point of 1730 ℃.
The compression strength is 1170Kg/cm3, and the expansion system number is 5.5 × 10-7. After special processing, it has high temperature resistance, high pressure resistance, and excellent mechanical properties.
Work pressure: 1.6, 2.5, 4.0, 6.4, 10.0MPa
● Working temperature: ＜ 520℃
Measurement range L: The measurement range is determined by the center distance: 300, 500, 800, 1100, 1400, 1700, 2000mm. Please indicate the size for special specifications.
● Heat tracing steam jacket: working pressure 0.6MPa, pipe size G1/2 "external thread.
Interface flange: Adopting the HG20592~20635-97 flange standard newly issued by the Ministry of Chemical Industry in 1997. Flange diameter DN20 DN25， If users need to adopt other standards (such as GB, ANSI, etc.), they can design according to their needs. Automatic sealing pressure of steel ball: greater than 0.2MPa, weight 15~30kg.
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