Yes, PTFE lined sight glasses are designed to handle moderate to high-pressure systems, but it’s important to check the manufacturer’s specifications for exact pressure ratings based on the size and design.
PTFE-lined window sight glasses are specialized industrial hardware for safe and clear visual observation of corrosive or high-temperature process environments. PTFE-lined, they offer better chemical resistance, long life and temperature stability and are best suited to handling aggressive chemicals, acids, or alkalis. Sight glasses prevent contamination, reduce maintenance costs and ensure safe operation in chemical processing, pharmaceutical and food processing industries. Their resistance to corrosion and transparency enhance process control to deliver reliability and efficiency in critical processes.
A Lined Window Sight Glass is an industrial sight glass to observe the flow and condition of liquid or gas through pipes. It is a clear sight glass, normally glass or equivalent material, in a corrosion-proof, lined housing. The lining, normally of materials like PTFE (Teflon), is for chemical aggressiveness protection and protection from high temperatures. These sight glasses are typically installed in pipelines so that operators can visually monitor processes in chemical, pharmaceutical, and food processing industries to provide safety, efficiency, and quality control during 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
Harry PTFE Lining is a leading supplier of PTFE Lined Window Sight Glass in Midland, UK, 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.
A PTFE lined window sight glass is a transparent viewing window used in pipelines or tanks, with a PTFE lining to protect against corrosion and ensure durability when observing the flow of fluids.
They are commonly used in industries like chemical processing, pharmaceuticals, food and beverage, and semiconductor manufacturing, where observing fluid flow in corrosive or sterile environments is necessary.
PTFE lining offers chemical resistance, durability, high-temperature tolerance, non-stick properties, and protection against corrosion for extended sight glass lifespan.
Yes, PTFE lined sight glasses are designed to handle moderate to high-pressure systems, but it’s important to check the manufacturer’s specifications for exact pressure ratings based on the size and design.
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 PTFE Lined Pipe, Fittings, Flanges, Spool and Valves in Midland, Uk.
