Noble Glass - Types of Sight Flow Indicators Commonly Used In India
                     Types of Sight Flow Indicators 
Commonly Used In India 
 
Sight Flow Indicators are devices that allow direct observation of the inside of a pipe. 
Sight Flow Indicators are used in a variety of sectors to observe the color, clarity, 
direction, and flow rate of liquids inside a pipe. Sight Flow Indicators are widely used in 
the pharmaceutical, chemical, petrochemical, agrochemical, food and dairy industries, 
maritime industry, electric utilities, fertilizers, steel oil and gas water treatment, 
petroleum / refinery process equipment, and dyes and pigments industries. 
 
 
 
A Sight Flow Indicator typically has more than one viewing gasket. Sight Flow Indicators 
can be directly attached to a pipeline via a sanitary, threaded, or flanged clamp 
connection. 
 
Noble Glass Works Pvt. Ltd., one of the finest manufacturers and suppliers of Tubular 
Sight Flow Indicators in India since 1995, has listed types of sight flow indicators that 
are commonly used in India: 
- Jacketed Double Window Sight Flow Indicators: 
Jacketed Double Window Sight Flow Indicators are the second type of Sight Flow 
Indicators in India. Jacketed Double Window Sight Flow Indicators provide two 
functions at the same time: pipe flow observation and process fluid cooling and 
heating. Jacketed Double Window Sight Flow Indicators have input and outlet 
connections and can be utilised for both heating and cooling of process fluid. 
 
Noble Glass Works Pvt. Ltd. is a noted PTFE Lined Ball Valves manufacturer in 
Gujarat. 
- PTFE Lined Sight Flow Indicators: 
The next item on this list of Slight Flow Indicators offered in India is PTFE Lined 
Sight Flow Indicators. The PTEF Lined Sight Flow Indicators, double window 
Sight Flow Indicators, and tubular Sight Flow Indicators all have a distinct PFA or 
FEP lining. The PTFE Lined Sight Flow Indicator is corrosion-resistant due to the 
use of PFA or FEP lining. 
 
Noble Glass Works Pvt. Ltd. is the popular PTFE lined ball valve manufacturer in 
India. 
- Double Window Sight Flow Indicators: 
Double Window Sight Flow Indicators are the ideal choice for monitoring liquid 
flow in industrial process lines. Double Sight Flow Indicators made of toughened 
glass mount in opposite directions for a better view. Noble Glass Works Pvt. Ltd. 
can adjust the diameter and thickness of Double Window Sight Flow Indicators 
based on the application. 
 
Noble Glass Works Pvt. Ltd. is one of the leading PTFE high pressure bellows 
manufacturers in India. 
 
This is a list of commonly used Sight Flow Indicators in India. Noble Glass Works Pvt. 
Ltd. manufactures a variety of Sight Flow Indicators, including Tubular Sight Flow 
Indicator and TC End Type Sight Flow Indicator.