sanitary stainless steel full view sight glass

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Reflex Glass Level Gauge for water oil

The sanitary stainless steel full view sight glass of connecting flange, glass tube, extension bolt and sealing gasket.The glass tube fixed flange clamps the glass tube, and is fixed with the extension bolt. The pipe is connected with the flange through the connecting conduit, thus forming a whole glass tube tubular.

Glass tube sight glass can observe the flow of liquid, gas, steam and other media at any time, is an indispensable accessory to ensure normal production.Has reasonable structure, convenient operation, good sealing performance, high working efficiency, alkali resistance, acid resistance, non-toxic, model design and beautiful strong wait for a characteristic, is widely used in chemical, pharmaceutical, metallurgy, dye, food, sugar, wine making, ceramics and environmental protection industries, drainage or worse before the solid flow, cooling water and other liquid tube to observe the liquid flow on the road.

Scope of application:
1. chemical industry, petrochemical production of weak corrosive materials, such as: water, ammonia, oil, hydrocarbons, etc.
2. Corrosive materials in chemical production, such as: caustic soda, concentrated dilute sulfuric acid, carbonic acid, acetic acid, ester acid, etc.
3. Cryogenic materials in refrigeration, such as liquid ammonia, liquid oxygen and various refrigerants.
4. light industrial food, pharmaceutical production of health requirements of materials, such as: beer, beverages, dairy products, medical supplies, etc.

Caliber	DN15 ~ DN150
Shell material	carbon steel / stainless steel / PP / PVDF / PVC / PTFE
Window material	sodium-calcium glass, borosilicate glass and quartz glass.
Sealing ring material	PTFE, nitrile rubber, etc.
Working temperature	the maximum allowable temperature of sodium-calcium glass is 150℃; The maximum allowable temperature of borosilicate glass is 280℃. The maximum allowable temperature of quartz glass is 800℃.
Operating pressure	sodium calcium glass: 0.6mpa. Borosilicate glass: 0.6 ~ 1.0Mpa. Quartz glass: 0.6 ~ 2.5Mpa.
Connection mode	Flange / Thread/Tri-clamp

Difference in Usage: sanitary stainless steel full view sight glass vs Sight Glass

1. Glass Tube Sight Cup

Main Use

Installed horizontally on straight pipelines, to observe flowing medium inside pipes.

Check fluid flow speed, bubbles, mixing, impurities, color change of running liquid/gas.
Typical scenes: chemical transfer pipelines, cooling water pipes, oil delivery lines, sewage pipelines.

Features

Short vertical glass tube, two-end threaded/flanged pipe interface, only for pipeline flow monitoring, cannot measure liquid level.

2. Sight Glass

Main Use

Mounted on the wall of tanks, reactors, pressure vessels as an observation window.

Static observation: liquid height, sediment, foam, reaction state inside sealed containers.
Types: flat round sight glass, illuminated sight glass, high-pressure mica sight glass.

Features

Flat round glass plate, large viewing area, for static vessel internal inspection, not suitable for long straight pipes.

Brief Summary

Sight cup: For pipelines, watch flowing medium.
Sight glass: For tank/reactor walls, watch static liquid and reaction conditions inside vessels.

Highlights at a glance

All-round observation perspective: Adopting a cylindrical glass design, it provides a 360° unobstructed observation surface, allowing for clear viewing of medium flow, color changes, and reaction conditions from any angle, enhancing operational safety and monitoring efficiency.

Simple and reliable structure: Composed of connection flanges, glass tubes, fixed flanges, extended bolts, and sealing gaskets, it has few components, is easy to assemble, and is convenient for maintenance, suitable for various pipeline systems.

Diverse materials, strong adaptability: The window glass can be selected from tempered borosilicate glass (with a temperature resistance of ≤180℃ and pressure resistance of ≤3.0MPa) or quartz glass (with a temperature resistance of up to 1000℃ and pressure resistance of ≤10.0MPa), meeting the needs of different working conditions. Shell material includes carbon steel, stainless steel 304/316L, PVC, etc., supporting long-term stable operation in corrosive environments.

Flexible connection methods: Supports various connection forms such as flanges, clamps, threads, and quick mounts, especially the sanitary quick-mount structure is widely used in the food and pharmaceutical industries, featuring small size and convenient disassembly.

Key components for process monitoring: In continuous production processes such as chemical engineering, petrochemicals, and pharmaceuticals, it is used to observe the reaction process, liquid level changes, and impurity precipitation, avoiding shutdowns or safety accidents due to blockages, leaks, or abnormal reactions.

Low cost and high efficiency: Compared to electronic sensor monitoring equipment, the glass tube view does not require power supply and has no signal interference risks It has low initial investment and stable operation making it an economical and efficient visual solution.

Customized services Can be customized according to customer pressure levels flange spacing material standards