Continental Trade Sp. z o. o.

Sealing

Sight glasses gaskets

Gaskets dimensioning

Typically, the sight glasses are sold as sets with gaskets and mica shield. At a separate sale of gaskets you must pay attention to the proper fit of the gasket to the size of the glass. The table below shows the dimensions of the gasket according to the size of sight glass and operating pressure. 

Mica shields for sight glasses

To increase the durability of the sight glass and protect it against the erosion effect of the boiler water or aggressive chemicals, the mica shield is installed. It is placed between the glass and the gasket on the medium side. Mica shield protects the glass from exposure to contact with aggressive environments. Mica shields are discussed here.

Dimensions [mm]:

GLASS

GASKET

Diameter
(D)

Thickness
(S)

Pressure
(bar)

Outer
diameter
(d1)

Inner
diameter
(d2)

Thickness
(g)

30 15* 200 *** * *
31.75 12.7 175 ** ** **
34 17 200 *** - -
35 7* 25 *** - -
40 10 40 42 30 1.5
12* 50
45 10 40 47 32 1.5
12 50
50 10 25 52 35 1.5
12 40
55 10* 25 57 40 1.5
60 10 16 62 45 1.5
12 25
15 40
20 95
63 8* 8 62 48 1.5
10 16 65 48 2
12 25
15 40
65 10 12 67 50 2
15 40
70 12* 25 72 55 2
15* 40
75 12 16 75 60 2
80 10* 10 82 65 2
12 16
15 25
20 40
90 10* 10 92 75 2
92 10 8 94 77 2
95 10 6 97 80 2
15* 16
100 10* 8 102 80 2
12 10
15 16
20 25
25 40
110 12.5 10 112 90 2
20 25
113 15* 10 113 88 2
115 15 10 117 95 2
120 10 8 122 100 2
125 15 10 127 100 2
20 16
25 25
30* 40
130 15 10 132 105 2
135 25 25 137 110 2
150 10 2 152 105 2
15* 8 125
20 10
25 16
30 25
170 15 8 172 140 2
175 20 10 177 150 2
25 16
30 25
200 20 8 202 175 2
25 10
30 16
250 20 4 252 225 2
25 8
30 10
265 30 8 267 240 2

* extra dimension outside the DIN 
** special sets 
*** by reference solely to the customer

If you can not find dimension, please contact us.

While every attempt has been made to verify the source of the information, no responsibility is accepted for accuracy of data.

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