Yes, sight glasses are inspected for PTFE lining uniformity and adhesion to ensure durability, chemical resistance, and defect-free performance.
Grayson PTFE Lined Pipe provides PTFE-lined tubular sight glasses that ensure an unobstructed line of sight into fluid flow through pipelines while also providing superior chemical resistance and toughness. The lining with PTFE provides best corrosion protection from aggressive chemicals, which makes the sight glasses a great choice for use in chemical, pharmaceutical, and food processing industries. Light in weight and simple to install they need minimal upkeep while providing a safe, non-reactive surveillance of acid, alkali, and solvent systems. Their high-temperature and pressure resistance boosts operational safety and reliability, facilitating effective process monitoring even under extreme conditions.
A PTFE-lined tubular sight glass is a sophisticated industrial instrument used for visual observation of the flow of fluids through pipelines. With a clear glass tube housed in an outer protective layer of PTFE (Polytetrafluoroethylene) coating, it offers enhanced chemical resistance and avoidance of corrosion even when dealing with corrosive or toxic materials. Its unique design makes it an excellent product for use in industries like pharmaceuticals chemicals and food processing. It allows for unobstructed vision of the flowing medium while maintaining and durable performance under harsh conditions such as high pressure severe temperatures and chemically reactive environments.
| Size | : | ½” to 12” (15 NB to 300 NB) |
| Manufacturing Standard | : | ASME 16.5, Class 150# |
| Body & Lining | : | MS/DI/CS/SS PTFE/ FEP/ PFA/ PVDF |
| Design | : | Fixed Flange End |
| Pressure | : | Metal Body with lining 5~10 kg/cm² Metal Body without lining 28kg/cm² |
Grayson PTFE Lined Pipe is a leading supplier of PTFE Lined Tubular Sight Glass in Midland, UK, offering high-quality, corrosion-resistant solutions ideal for chemical, pharmaceutical, and industrial applications.
B – 1 | 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 provides excellent resistance to corrosive chemicals, ensuring durability even in harsh environments.
PTFE withstands high temperatures, making it suitable for processes involving heat-intensive operations.
PTFE lining minimizes risks of leaks or contamination, ensuring safe operation in critical systems.
The smooth, non-stick surface of PTFE minimizes residue buildup, reducing cleaning and maintenance efforts.
Yes, PTFE-lined sight glasses can often be repaired by re-lining, replacing damaged components, or addressing minor defects professionally.
Common sizes: 1/2″ to 12″. Connection standards: ANSI, DIN, JIS, BS. Customizations available for specific industrial requirements.
Yes, hydrostatic and pneumatic pressure tests are performed on PTFE-lined sight glasses to ensure their integrity and safety.
PTFE-lined tubular sight glasses typically handle temperatures up to 260°C (500°F) and pressures up to 10 bar (145 psi).
Yes, sight glasses are inspected for PTFE lining uniformity and adhesion to ensure durability, chemical resistance, and defect-free performance.
We are the leading Manufacturer and Supplier of Grayson PTFE Lined Pipe, Fittings, Flanges, Spool and Valves in Midland, UK.