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NORIS
Sight Glass Fittings Rectangular
to be welded directly to tank
Bauform 220
Application:
To show surface of a liquid, for insertion into attachments
to tanks, vessels and silos.
Operating conditions:
Temperature :
Pressure:
243° ( Saturated steam or hot water i n
C
direct contact )
16 bar
Option:
are available on request
Materials:
Welding pad
Cover
Screws
Glass
Gaskets
WN 1.4571
WN 1.4571
RSt 37-2
WN 1.4571
RSt 37-2
RSt 37-2
A4-70
8.8 vz
8.8 vz
Borosilicate glass DIN 7081, reflex
Asbestos free ( or other materials )
Mounting instruction: After welding please exanimate if
sealing area is plane. Otherwise re-machining is necessary.
Caution: Before putting the fitting into operation, the
strength of the cutout reinforcement in combination with the
vessel wall should be checked in accordance with TÜV leaflet
B9 ( AD Merkblatt B 9 )
Example for an order:
Sight Glass Fitting Rectangular Bauform 220
Welding pad WN 1.4571; Cover RSt 37-2
370 x 70 mm
Dimensions:
Complete length*
170 220 250 310 370 500 620 740 930
Sight length
120
170
200
260
320
Number of screws
8
* By length 500 to 740mm there are
10
12
2 glasses
14
/
16
570
690
880
50
Sight interrupted
450
50
50
2 x 50
24
28
32
42
by length 930mm there are 3 glasses
E220
03/09
Modification reserved
NORIS ARMATUREN Burkenstein GmbH & Co. KG
Puscherstrasse 3
D-90411 Nürnberg
Telefon: +49 (0) 911 / 52 150 63
Telefax: +49 (0) 911 / 52 24 40
Internet: Noris-Armaturen.de
E-Mail: Noris@Noris-Armaturen.de