Pipeline ancillaries Sight glasses
10
Spare parts The spare parts available are shown in solid outline. Parts drawn in a grey line are not supplied as spares.
Available spares Set of windows and gaskets
5 *
3, 4
4 6 8
Set of gaskets
Visual flow indicator flap
Mica glass protectors
4
How to order spares Always order spares by using the description given in the column headed 'Available spares' and state the size and type of the sight glass. Example: 1 off Set of windows and gaskets for a Spirax Sarco DN20 SGC40 sight glass.
3
8
4
6
4
8
3
4
10.8 23
Table 1 Recommended tightening torques
5 *
or mm
Item
Size
Quantity
N m (lbf ft)
DN15 - DN20
8
17 A/F M10 x 35 12
8.8
DN25 - DN32 Flanged
8
19 A/F M12 x 50 28 20.6
* Item 5 is not an available spare.
DN32 Screwed and socket weld, DN40 - DN50
5
8
19 A/F M12 x 60 38 28.0
DN65 - DN100
8
23 A/F M16 x 85 132 97.3
TI-P130-28 CMGT Issue 14
Page 7 of 7
SGC40 and SGS40 Sight Glasses
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