TecniGlas has a large supply of PYREX brand annular edge glass in stock. Call us today for a quote.
PYREX brand annular edge glass is no longer being produced by Corning, but substitutes are available. MAXOS sight glass, produced by SCHOTT in Germany is an excellent replacement for PYREX brand annular edge applications. We stock MAXOS sight glass and can get you what you need. Call us today 1-800-267-1616
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MAXOS® Safety Sight Glass |
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MAXOS®—clear sight with definite safety
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Whether in the chemical industry, the oil industry or the power supply sector, Maxos
safety sight glasses are proven and used all over the world whenever
visual inspections under extreme temperature or pressure conditions are
required in steam vessels, pressure tanks or pipeline systems.
The high safety level is secured by special borosilicate glass
of high chemical durability, exceptional purity and homogeneity. Along
with a low thermal expansion, which is typical for borosilicate glass,
thermal pre-stressing (tempering) creates a particularly high
resistance to sudden changes in temperature.
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The Maxos
product line comprises a complete range of round and long sight glass
in varying dimensions to accommodate different pressure and temperature
ranges.
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| Product range overview |
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Level gauge glasses |
Round sight glasses |
| Length and diameter |
95–500 mm / ~3.7 - 19.7 in. |
30–265 mm Ø
1.2-10.4 in. Ø |
| Width |
30, 34 mm / 1.2, 1.3 in. |
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| Thickness |
17, 21 mm / 0.67, 0.83 in. |
10–30 mm / 0.39-1.18 in. |
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Max. thermal shock
resistance |
265 K |
265 K |
| Max. permissible
temperature |
300°C and 320°C (572°F and 608°F) when mica-protected |
| Other specifications |
Transparent and reflex design |
| High-pressure design |
Transparent with 34 mm (1.3 in.) width |
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In addition to the safety sight and liquid level gauge glass listed in
the product table, we can supply other special dimensions.
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Compliance with all relevant safety standards
Tempered reflex and transparent level gauge glass and disc sight glass
can be supplied in accordance to national and international regulations
and standards as:
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- DIN 7080/7081
- BS 3463
- Austrian Standard (Ö-Norm) M7353/7354
- JIS B 8211
- MIL-G-16356D
- SCHOTT AUER USA-Specification
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