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Application: | Elongated
sightglasses Lumistar of the series LSG /LSGR / LSGRR may beused to observe
the interior of reactors, columns, silos, vessels, storage tanks.pipelines or
as liquid level indicators. They are delivered ready to be welded into oronto
a vessel wall, complete with appropriate seals, glass plate and cover bolts.
TheD-end shape facilitates easier machining of the vessel wall prior to
welding in the unit |
Operating conditions: | Nominal
pressure 2,5 /6 /10/25 bar (see table overleaf) |
Vacuum | |
Note: The nominal pressure indicated refers to the design base of
thesightglass. When welded into the vessel concerned, the base frame
becomespart of the vessel wall. lt is necessary, therefore, that appropriate
strength calculations are made on all vessels concerned with respect to the
design pressure and size of the vessel and in accordance with the relevant
design code. if found to be necessary, reinforcement of the vessel wall has
to becarried out. | |
Operating temperatures: | 100℃
max. with sodium silicate glass to DlN 8903 |
243℃ max. with borosilicate glass to DlN 7081 | |
Note: The above indicated temperatures refer to the use of
unprotected glass plates, with no protective mica sheets. | |
Standard materials: | |
Base flange: | Boiler
plate RSt 37-2/HI /AISI 316 Ti/AISI 316 L |
Cover flange: | Boiler
plate RSt 37-2/HI/AISI304/AISI 316 T/AISI 316 L |
Glass plates: | Toughened
sodium silicate glass to DIN 8903 (max. 100 °C) |
Toughened borosilicate glass to DIN 7081 (max. 243 °C) | |
Seals: | KLINGERsil
C4400 |
EPDM | |
Silicone | |
PTFE | |
Cover boltsto DIN 912: | Carbon
steel, zinked, quality 8.8 |
Stainless steel A2-70 | |
Other materials on request. | |
Certificates: | To
be supplied against extra charge to DIN EN 10204. |
We can customize according to customer needs. |
Standard versions: | -Base flange with bolt tappings drilled through
(dimensions see table overleaf), typedesignation-DB |
-Base flange with blind
tappings, type designation-SL | |
-Base flange with radiused
back (to correspond to vessel radius), type designation-R | |
Options: | -Version
with double glasses (not available for PN 25). |
- Fluted glass plate for
liquid level indication (only available for PN 25). | |
- Special dimensions. | |
- Closed back (base
flange) version with drilled and tapped holes at the ends for pipeconnections
so that the unit may be used as an external gauge of a liquid level. | |
Type designation: | Series RSG: Base and cover frame in steel RSt 37-2 |
Series RSGR: Base flange in stainless steel | |
Cover flange in boiler plate RSt 37-2 | |
Series RSGRR: Base and cover flange in stainless steel | |
Ordering example: | |
For an elonaated, D-ended siahtalass of nominal
pressure 10 with base and cover flange in AlSl 316 /AlSl 304 and the base
flange in version b) with blind tappingstogether with a glass plate of sodium
silicate to DlN 8903 and overall dimensionsof 350 x 80 mm, seals PTFE base
side, KLINGERsil C4400 cover side, cover boltsA2-70 the correct desianation
would be:1 piece type LSGRR 10-3,1.4571/SL-PTFE-8903-C4400-1.4301 -A2. | |
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