Tassalini sight glasses are used for direct visual inspection of flow, color, bubbles, foaming, presence of solids, and media clarity in process lines or vessel side connections. Available in in-line or radial configurations, with wetted metallic components in AISI 304L or AISI 316L stainless steel.
Available with sanitary and industrial connections: DIN, SMS, BS RJT, ISS IDF, Eno, BSP, Macon, and Clamp. Gasket materials include NBR, VMQ/silicone, EPDM, FPM–FKM, and PTFE.
AISI 304L is suitable for clean or aqueous media. For corrosive products, cleaning agents, or chloride environments, AISI 316L is preferred. Gasket selection should consider temperature, pH, fats, solvents, and cleaning chemicals. Sight glasses are static inspection devices and do not require actuators.
Is this a flow measurement device?
No. It provides visual flow confirmation, not quantitative measurement.
When is Plexiglas protection required?
Where there is mechanical risk, vibration, or frequent personnel presence.
What is checked during maintenance?
Glass, tie rods, gaskets, leakage traces, and internal surface fouling or deposits.
Our sight glasses are manufactured from Aisi 304L and Aisi 316L stainless steel and are available either in-line or with radial connection.
They are of high strength construction. Glass is in pyrex and is available with a plexiglas external guard as an option.
Sight glasses are equipped with special tie rods and seals to prevent load pressures and vibrations on the glass.
The standard finish is 120 grit (Ra 1.01-1.14 µm max).
The maximum operating pressure is 10 bars.
