PTFE-lined sight glasses are high-performance industrial parts used for safe and clear visual observation in corrosive or high-temperature conditions. With their PTFE lining, these sight glasses provide superior chemical resistance, durability and thermal stability, which makes them suitable for dealing with aggressive chemicals, acids and alkalis. They prevent contamination, lower maintenance costs, and provide safe operation in industries such as chemical processing, pharmaceuticals and food production. Their resistance to corrosion and transparency optimize process control, which leads to reliability and efficiency in demanding applications.
A Lined Window Sight Glass is an industrial equipment for viewing the flow and status of liquids or gases inside pipelines. It consists of a clear window usually composed of glass or a similar substance, housed in a lined casing that is corrosion-proof. The lining, usually composed of materials such as PTFE (Teflon), serves to protect against aggressive chemicals and high temperatures. These sight glasses are typically placed on pipelines within chemical, pharmaceutical, and food-processing industries, which enable the process to be visually monitored to prevent accidents and for safety, efficiency, and quality control throughout processes.
Size : 25 NB to 300 NB
Outer body : ASTM A 395 Gr 60-40-18
Flange Connection : ANSI B 16.5
Face to Face : ANSI B 16.10
Spark Test : 15 KVA
Hydro Test : at 29.8 kg/cm2
FEP- Max Temp : 180° C
PP Max Temp : 100° C
PFA Max Temp : 200° C
Bhavesh PTFE Lined Pipe is a leading supplier of PTFE Lined Window Sight Glass in Hyderabad, Telangana, offering high-quality, corrosion-resistant solutions ideal for chemical, pharmaceutical, and industrial applications.
B – 1 | NB – 2 | SIGHT GLASS | |
C – 2 | |||
15 | 50 | ||
25 | 25 | 65 | 89 |
15 | – | – | |
40 | 25 | 75 | 102 |
40 | – | – | |
15 | – | – | |
50 | 25 | 85 | 114 |
40 | – | – | |
15 | – | – | |
80 | 25 | 110 | 140 |
40 | – | – | |
15 | – | – | |
100 | 25 | 130 | 165 |
40 | – | – | |
15 | – | – | |
150 | 25 | 170 | 203 |
40 | – | – | |
15 | – | – | |
200 | 25 | 200 | 279 |
40 | – | – | |
15 | – | – | |
250 | 25 | 250 | 279 |
40 | – | – | |
15 | – | – | |
300 | 25 | 276 | 305 |
40 | – | – | |
PTFE lining ensures high resistance to a wide range of corrosive chemicals, making it suitable for aggressive environments.
The non-stick properties of PTFE prevent material build-up, ensuring clear visibility and reducing maintenance needs.
PTFE can withstand extreme temperatures, maintaining its performance in both high and low thermal conditions.
PTFE-lined components resist wear and degradation, providing a long-lasting solution in industrial processes.
PTFE-lined sight glasses can be costly, prone to damage from sharp impacts, and have limited temperature and pressure tolerance.
PTFE lined sight glasses are used in chemical processing, pharmaceuticals, food and beverage, petrochemical, and industries handling corrosive or reactive fluids.
PTFE lining offers chemical resistance, durability, low maintenance, corrosion protection, high-temperature stability, and extended service life in sight glasses.
PTFE-lined sight glasses are commonly used in chemical, pharmaceutical, petrochemical, food processing, and semiconductor industries for enhanced durability.
PTFE-lined sight glasses handle pressure changes via robust construction, reinforced linings, and adherence to pressure ratings for safe and reliable operation.
We are the leading Manufacturer and Supplier of Bhavesh PTFE Lined Pipe, Fittings, Flanges, Spool and Valves in Hyderabad, Hyderabad.