Listing ID #3149816
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Contact SupplierIn the process industry double window sight glass are used as an accessory in the
pipeline or inlet or outlet of equipments to view the process fluid flow. Traditional
double window sight glasses have the glass fitted between two flanges. Due to the
inherent principle of tightening of flanges (opposite bolts are tightened one after the
other), the glass by default remains stressed by unbalanced tightening torque from the
fitting stage itself. This results into breakage during fitting or reduced life due to
thermal expansion on an already stressed glass.
Also in the traditional way of holding the glass, both the soft gaskets on both sides of
the glass remains exposed to atmosphere resulting into the process fluid leaking out to
atmosphere on the instant of the inside gasket failure.
The capnut housing provided in the indoanushka make multiview for housing the
glass enables a leak proof tightened housing without unevenly stressing the glass
as the tightening is obtained by threading on the cap onto the nut and therefore
the glass gets uniformly and gradually tightened resulting into negligible or no
pre-stresses.
in this kind of a capnut housing arrangement, the inside gasket for the glass soft
seating has no scope of getting exposed to atmosphere. In fact it results into the
washer being placed inside a mould. Therefore even in situations of the gasket
disintegrating it casts itself inside the housing thereby it results into a lifelong
leak free situation.
multiview double window sight glasses are provided with clear view (visible
diameter of the glass) of equal to or more than the size of the double window
sight glass. In fact if required a clear view of one or two sizes higher that the size
of the double window sight glass can be provided, therefore enabling the user to
have as much a large view he requires.