Aohong Special Glass Manufacturing Co., Ltd
Previous slide
Next slide

QUALITY CONTROL

ISO9001-2015 quality management certification

DIN STANDARD

According to German DIN7081 and DIN7080 standards

LEVEL GAUGE

Gauge glass for liquid levels in tanks,boilers and vessels

Our sales team is always ready to guide you towards the best product for your needs Feedback Forms  

LEVEL GAUGE GLASS

CHINA EXPORTER AND FACTORY

20 YEARS OF EXPERIENCE

WELCOME TO AOHONG COMPANY'S WEBSITE

We supply customers worldwide with top-quality level gauge glass, gaskets, level gauges, and related accessories.

Level Gauge Glass from Aohong Special Glass Manufacturing Co., Ltd. embodies our dedication to creating products that merge cutting-edge technology, craftsmanship, and practical design. With its robustness, accuracy, and ease-of-use, it offers an optimal solution for various industrial applications, effectively enhancing productivity while ensuring safety. Trust Aohong and experience the best that the glass manufacturing industry has to offer. 

HOW TO CHOOSE MATERIALS

Aohong offers customized gauge glass products to meet specific customer requirements.

Round sight glass, also known as round gauge glass or sight glass disc, utilizes a variety of materials to cater to different environments and applications. These materials include soda-lime glass, borosilicate glass, aluminosilicate glass, and quartz glass. Each of these materials possesses unique properties that make them suitable for specific environmental conditions.

BOROSILICATE GLASS

Borosilicate glass can withstand high heat, pressure, and resist acids or alkalis.

ALUMINOSILICATE GLASS

Transmissivity: 91.8%,Shock temperature: ≤ 370 °C,Working temperature: 600 °C

SODA-LIME GLASS

Per DIN 8902, soda-lime glass sight glasses can endure one-sided liquid to 150°C

QUARTZ GLASS

We produce quartz glass from JGS1, JGS2, and JGS3 as per customer requirements.

PROCESS CONSISTS OF NINE STEPS

PRODUCTION PROCESS

We follow nine steps in our production process: raw material entry of glass rods, glass blank pressing, thinning, advanced chamfering, double-sided grinding, double or single-sided polishing, cleaning, tempering of gauge glass, and finally, printing and packaging.

HOT PRODUCTS

WHAT WE PRODUCE

Reflex gauge glass for boiler

Reflex Gauge Glass

Transparent Gauge Glass

Heavey/Thin Wall Rectangular Glass

Rectangular Gauge Glass

Round Gauge Glass for Observing Liquid Flow and Level

Round Gauge Glass

Tubular Sight Glass

Level gauge

Level Gauge

Online Video

With its smooth, transparent surface, the gauge glass offers a distinct view of the fluid levels without the need for the operator to come into close contact with the potentially hazardous liquids. The clarity and precision of our Reflex Gauge Glass eliminate the risk of misinterpretation, thereby promoting safety and efficiency in operation.

SOLUTIONS

Aohong company provides innovative solutions across various applications

INDUSTRIAL BOILER

SOLUTIONS FOR INDUSTRIAL BOILER OR TANK WATER LEVEL DETECTION

​​Gauge glass have etched grooves on the side facing the medium, enhancing reading clarity and ensuring accurate water level management in boilers.

Learn more
WHAT'S THE DIFFERENCE BETWEEN SIGHT GLASS AND GAUGE GLASS

WHAT'S THE DIFFERENCE BETWEEN SIGHT GLASS AND GAUGE GLASS?

​The main difference is their use: gauge glasses measure liquid levels in vessels or tanks, while sight glasses allow visual inspection inside vessels or pipes.

Learn more
Gasket for Glass

WHAT ARE MOST COMMON SPARE PARTS FOR A LEVEL GAUGE?

​The most common spare parts for a level gauge include: gauge glass gaskets, packing materials cushion and mica protectors, fasteners, spare gauge glasses etc.

Learn more

FREQUENTLY ASKED QUESTION

QUESTION AND ANSWER

We welcome customer inquiries and address technical concerns swiftly. Committed to continuous improvement and innovation, our aim is to deliver superior gauge glass products.
Each Reflex Gauge Glass piece is individually wrapped in protective material to prevent damage in transit and packed into robust, custom-designed boxes for extra safety.
The German DIN 7081 standard defines the specifications and delivery conditions for heat-resistant borosilicate sight glass in regular service.

Concerning sourcing of raw materials, production process, quality control, non-conformity and corrective actions, customer feedback, performance evaluation, and improvement.

The DIN 7081 standard is a German standard that outlines the specifications for sight glass in regular service. This standard specifies the properties and technical delivery conditions of heat-resistant borosilicate glass
Scroll to Top

Get a Quote

Skype Whatsapp