Cylindrical Sight Glass

A sight glass consists of one glass pipe section, one metal frame, a pair of PTFE bushes and washers and an acrylic cover. Borosilicate pipe section is highly heat resistant, has excellent chemical resistance and has low thermal expansion. Metal frame is composed of two flanges which are welded with studs so that the stresses and vibrations of the pipeline do not transfer to the glass pipe section. Its check nut keeps the glass pipe section in compression and provides ease in replacement.



PTFE bushes on both sides of glass pipe section ensures that liquid in the pipeline does not come in contact with metal frame. PTFE washers are used as gaskets while fitting the sight glass in the pipeline. Acrylic cover covers the glass pipe section and protects it from outer damages.



Sight glass can be supplied with MS/SS304/SS316 frame with any standard drilling.

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Our Company

Welcome to Garg Process Glass

Most important of all, with our knowledge of chemical engineering, mechanical engineering, erection and installation skills we can design turnkey plants for you which are robust, economical, durable and can be maintained with great ease of operation.

Manufacturers and Exporters of :



Borosilicate glass equipments

Laboratory glassware and research apparatus

QVF type glass

Glass pump

Glass condenser

Pilot plant

Glass pipeline