Sight Glass

Sight glass is a device used between any kind of non transparent pipeline to observe the flow of liquid. This can be used both in horizontal as well as vertical pipeline. Sight glass is constructed in such a way that it gives a complete view from every angle.

SG

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 ensure 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.


MS FRAME SIGHT GLASS

JMR

DN L L1 Reference Table E Reference Table F Reference Table ASA
25 192 150 SSG 1/E SSG 1/F SSG 1/A
40 192 150 SSG 1.5/E SSG1.5/F SSG 1.5/A
50 192 150 SSG 2/E SSG 2/F SSG 2/A
80 192 150 SSG 3/E SSG 3/F SSG 3/A
100 192 150 SSG 4/E SSG 4/F SSG 4/A
150 192 150 SSG 6/E SSG 6/F SSG 6/A


SS 304 FRAME SIGHT GLASS

DN L L1 Reference Table E Reference Table F Reference Table ASA
25 192 150 SSG 1/E/304 SSG1/F/304 SSG 1/A/304
40 192 150 SSG1.5/E/304 SSG1.5/F/304 SSG 1.5/A/304
50 192 150 SSG 2/E/304 SSG2/F/304 SSG 2/A/304
80 192 150 SSG 3/E/304 SSG3/F/304 SSG 3/A/304
100 192 150 SSG 4/E/304 SSG4/F/304 SS 4/A/304
150 192 150 SSG 6/E/304 SSG6/F/304 SG 6/A/304


SS 316 FRAME SIGHT GLASS

DN L L1 Reference Table E Reference Table F Reference Table ASA
25 192 150 SSG 1/E/316 SSG 1/F/316 SSG 1/A/316
40 192 150 SSG1.5/E/316 SSG1.5/F/316 SSG1.5/A/316
50 192 150 SSG 2/E/316 SSG 2/F/316 SSG 2/A/316
80 192 150 SSG 3/E/316 SSG 3/F/316 SSG 3/A/316
100 192 150 SSG 4/E/316 SSG 4/F/316 SSG 4/A/316
150 192 150 SSG 6/E/316 SSG 6/F/316 SSG 6/A/316


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