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| Warranty: | 1year |
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Oblong Oval Sight Glass Product Performance | |
• Application: | Ideal for viewing the insides of pipes, vessels, containers, reactors, |
silos, etc., and used primarily as a liquid level indicator for monitoring e. g. filling levels. | |
• Operating conditions: | - Pressure 2.5/6/10/25 bar |
- Vacuum | |
- Prior to using the fitting, the cut-out reinforcement together | |
with the relevant material of the vessel should be checked in | |
accordance with AD-Merkblatt. | |
• Operating temperature: | 100°C when using soda-lime glass to DIN 8903 (on request only) |
243°C when using borosilicate glass to DIN 7081 | |
• Certification/Approval: | Testing and certification can be provided to DIN EN 10204 3.1/3.2 |
as required by the customer (at extra charge). | |
Parts & materials: (The drawing is below) | ||
Item | Component | material |
1 | Connecting flange | Stainless steel 1.4404 or other grades |
on request (Steel S235JR+N (RST 37-2) | ||
2 | Gaskets | KLINGERSil C-4400; Neoprene; |
PTFE or others | ||
3 | Sight glass plate | - Soda-lime glass: thermally |
prestressed to DIN 8903, | ||
max. operating temperature: 100°C | ||
- Borosilicate glass: thermally | ||
prestressed to DIN 7081, | ||
max. operating temperature: 243°C | ||
4 | Cover frame | Stainless steel 1.4404 or other grades |
on request (Steel S235JR+N (RST 37-2)) | ||
5 | Fastening bolts | Steel 8.8 or stainless steel A4 |
Installation:Prior to fitting the glass plate, check to ensure that the base frame | ||
(1) is free of any distortion and the sealing surface is flat.Any tension or unevenness can lead to leakage or may even cause the sight glass to break.After the base frame has been welded into or onto the pipe orvessel wall, the gaskets (2), the sight glass plate (3) and the cover flange (4) are positioned in the order illustrated and then fastened to the base frame (1) with the bolts (5).When securing the cover flange, the bolts should be tightened with a uniform torque, starting with the bolts in the middle and working crosswise towards the ends, i.e. in an alternating sequence. | ||
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