عضویت 
ورود اعضا
راهنمای خرید
bf2250 pages
Sight Glass Fittings
NORIS
Obround
to be welded directly to tank
Bauform 225
Application:
To show surface of a liquid, for insertion
into attachment to tanks, vessels and silos.
Operating conditions:
Temperature : 100° or 280°
C
C
Pressure:
3 / 6 / 25 bar
Materials:
Body
Cover
Screws
Glass
Gaskets
WN 1.4571
RSt 37-2 / H II
WN 1.4571
RSt 37-2 / H II
A4-70
8.8 vz
Borosilicate glass acc. to DIN 7081
Soda lime glass acc. to DIN 8903
Asbestos free ( or other materials )
Mounting instruction:
After welding please examinant 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 fittings, obround Bauform 225
Body WN 1.4571
Cover RSt 37-2
Borosilicate glass – 3 bar
410 x 120 mm
Pressure 3 bar, Visual 50 mm
Mounting dim.
Sight dim.
Length x Width
Length x Width
Strength
h1
h2
270 x 120
340 x 120
410 x 120
480 x 120
550 x 120
620 x 120
690 x 120
760 x 120
200 x 50
270 x 50
340 x 50
410 x 50
480 x 50
550 x 50
620 x 50
690 x 50
15
15
15
15
15
15
15
15
25
25
25
25
25
25
25
25
Pressure 6 bar, Visual 30 mm
Mounting dim.
Sight dim.
Length x Width
Length x Width
Strength
h1
h2
250 x 100
310 x 100
370 x 100
430 x 100
490 x 100
550 x 100
610 x 100
670 x 100
180 x 30
240 x 30
300 x 30
360 x 30
420 x 30
480 x 30
540 x 30
600 x 30
15
15
15
15
15
15
15
15
25
25
25
25
25
25
25
25
Pressure 25 bar, Visual 20 mm
Mounting dim.
Sight dim.
Length x Width
Length x Width
Strength
h1
h2
176 x 70
226 x 70
256 x 70
316 x 70
376 x 70
436 x 70
496 x 70
536 x 70
126 x 20
176 x 20
206 x 20
266 x 20
326 x 20
386 x 20
446 x 20
486 x 20
20
20
20
20
20
20
20
20
25
25
25
25
25
25
25
25
E225
09/07
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
