PTFE-lined window sight glasses are industrial components specifically for transparent and safe visual observation in aggressive or high-temperature process conditions. With a Kali PTFE Lining, they provide maximum chemical resistance, temperature stability, and long-lasting performance and are therefore best suited to operate aggressive substances like chemicals, acids, and alkalis. The sight glasses have low contamination risks, lower maintenance costs, and ensure safe operations in the chemical processing, pharmaceutical and food production industries. Their transparency and corrosion resistance improve process control to provide reliability and efficiency in difficult industrial use.
A Lined Window Sight Glass is a critical industrial equipment used to observe the flow and status of liquids or gases through pipelines. It has a clear window, usually glass or equivalent, housed in a corrosion-proof, lined casing. The lining, usually made of materials such as PTFE (Teflon), offers strong protection against aggressive chemicals and high temperatures. These sight glasses are widely mounted on pipelines in process industries like chemical processing, pharma and food manufacturing, enabling operators to monitor processes and ensure safety, efficiency and quality control throughout operations.
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
Kali PTFE Lining is a leading supplier of PTFE Lined Window Sight Glass in Malaysia, 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 have limited mechanical strength, higher cost, and reduced suitability for extreme pressures or cryogenic applications.
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, high-temperature tolerance, non-stick properties, and protection against corrosion for extended sight glass lifespan.
Industries using PTFE-lined sight glasses include chemical processing, pharmaceuticals, food and beverage, petrochemicals, and water treatment for corrosive applications.
PTFE-lined sight glasses withstand pressure fluctuations using durable PTFE linings and robust construction, ensuring reliable performance and safety.
We are the leading Manufacturer and Supplier of PTFE Lined Pipe, Fittings, Flanges, Spool and Valves in Malaysia.
