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Sight Glasses

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Sight glass is a device used between any kind of non transparent pipelines 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.

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 that liquid 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.

MS FRAME SIGHT GLASS

DN
L
L1
Cat.Ref. Table E
Cat.Ref. Table F
Cat.Ref. Table ASA
25
192
150
SG1/E
SG1/F
SG1/A
40
192
150
SG1.5/E
SG1.5/F
SG1.5/A
50
192
150
SG2/E
SG2/F
SG2/A
80
192
150
SG3/E
SG3/F
SG3/A
100
192
150
SG4/E
SG4/F
SG4/A
150
192
150
SG6/E
SG6/F
SG6/A

SS 304 FRAME SIGHT GLASS

DN
L
L1
Cat.Ref. Table E
Cat.Ref. Table F
Cat.Ref. Table ASA
25
192
150
SG1/E/304
SG1/F/304
SG1/A/304
40
192
150
SG1.5/E/304
SG1.5/F/304
SG1.5/A/304
50
192
150
SG2/E/304
SG2/F/304
SG2/A/304
80
192
150
SG3/E/304
SG3/F/304
SG3/A/304
100
192
150
SG4/E/304
SG4/F/304
SG4/A/304
150
192
150
SG6/E/304
SG6/F/304
SG6/A/304

SS 316 FRAME SIGHT GLASS

DN
L
L1
Cat.Ref. Table E
Cat.Ref. Table F
Cat.Ref. Table ASA
25
192
150
SG1/E/316
SG1/F/316
SG1/A/316
40
192
150
SG1.5/E/316
SG1.5/F/316
SG1.5/A/316
50
192
150
SG2/E/316
SG2/F/316
SG2/A/316
80
192
150
SG3/E/316
SG3/F/316
SG3/A/316
100
192
150
SG4/E/316
SG4/F/316
SG4/A/316
150
192
150
SG6/E/316
SG6/F/316
SG6/A/316