The sanitary flange sight glass from VTY factory is a hygienic sight glass with flange end. It is composed of stainless steel frame and tempered glass, and assembled by stainless steel hexagonal bolts. We can clearly and accurately observe the flow condition in the pipeline system, and then monitor the fluid well. It is used to provide 360-degree viewing of material flow in a line. These glasses are popular in the sanitary cleaning equipment, and are designed for sanitary applications required in the food, dairy, and pharmaceutical industries.
VTY can offer a wide range of sanitary flange sight glasses ideal for food processing, fine chemical, cosmetic industry, pharmacy etc.
Material grade
Contact product parts 316L(1.4404)
non-contact product parts 304(1.4301)
Provide E N 10204 3.1B certificate
sight glass
Pyfex glass (straight sight glass)
pyfex glass/ tempered glass (Union sight glass)
Seal material
Standard EPDM
Option FPM，Silicone , PTFE, NBR
Seal materials comply with FDA 177.2600
Temperature range -20℃ ~+135℃ (EPDM)
Roughness
Internal surface Ra≤0.8μm
External surface finish Ra≤1.6μm
Connection
Connection method: welding, thread, clamp, flange
1.Robust materials
2.pressure resistance
3.and easy installation or replacement
Flow Monitoring: Used in pipelines to ensure smooth operation, detect blockages, or confirm the presence of fluid.
Tank Level Detection: Installed on tanks and reservoirs to measure fluid levels and prevent overflow or emptying.
Process Observation: Used in chemical reactors for observing chemical reactions, mixing, and filtration processes.
Quality Control: Allows inspection of product clarity, color, and separation (liquid, gas, or slurries).
1.Secure and Simple Installation: The bolted flange connection is fast, requires no welding, and creates a reliable, tight seal.
2.High Pressure/Temperature Resistance: Sanitary flange sight glass is designed to withstand harsh industrial processes, including steam and high-pressure applications.
3.Enhanced Safety and Inspection: Enables safe, real-time visual inspection of internal processes, flow, or liquid levels from a distance, protecting workers from hazardous materials.
4.Lower Maintenance Costs: Easy to install and remove for cleaning, reducing downtime. The design ensures sealing pressures are applied to the metal housing, protecting the glass
Wenzhou Tianyue Fluid Equipment Co., Ltd. is a certified high-tech manufacturer specializing in sanitary fluid equipment including valves, fittings, unions, sight glasses, and custom hygienic solutions.
134 CNC machines (MAZAK Japan)
13,000㎡ production facility
ISO 9001 / ISO 14001 / ISO 45001 certified
Exported to Germany, Netherlands, Italy, France, Spain
| SIZE | A | B | H | L |
|---|---|---|---|---|
| DN40 | 68 | 115 | 16 | 25 |
| DN50 | 78 | 140 | 20 | 29 |
| DN65 | 98 | 155 | 20 | 29 |
| DN80 | 98 | 155 | 20 | 29 |
| DN100 | 128 | 190 | 20 | 31 |
| DN125 | 154 | 224 | 20 | 34 |
| DN150 | 183 | 250 | 25 | 42 |
| DN200 | 233 | 310 | 30 | 46 |
Address
No.729, Road 3, Binhai Industrial Zone, Wenzhou, Zhejiang, China
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