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Klinger Gauge Glasses Home >> Klinger Gauge Glasses

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Reflex Glasses

KLINGER reflex glasses are provided with moulded prismatic grooves on the side in contact with the medium. As a result of the difference in refractive index, light rays entering the gauge from outside are reflected or absorbed.

The light ray entering the steam or gas space strikes the groove face at an angle of 45o, being thereby refracted into the opposite groove face from which it is reflected back in direction of observation. The steam or gas space thereby appears silver-white. The liquid space behind the reflex glass appears black.

This eliminates any possibility of errors in reading the liquid level.

KLINGER reflex glasses are recommended for use within the limits shown in the pressure and temperature table.

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Transparent Glasses

KLINGER transparent glasses have smooth surfaces and are mainly used for high pressure (above 35 bars) and temperatures within the limits shown in the pressure and temperature table.

Owing to the rapid attack of the boiler water on the glass at high temperatures we in general recommend the use of mica-protected glasses at temperatures above 243o C.

Overall dimensions In mm Reflex and Transparent glasses Transparent glasses

Size Type A Type B Type H Type TA 2B
L B S L B S L B S L B S
1 115 30 17 115 34 17 - - - 113 27,6 16,8
2 140 30 17 140 34 17 140 34 22 - - -
3 165 30 17 165 34 17 165 34 22 163 27,6 16,8
4 190 30 17 190 34 17 190 34 22 188 27,6 16,8
5 220 30 17 220 34 17 220 34 22 218 27,6 16,8
6 250 30 17 250 34 17 250 34 22 248 27,6 16,8
7 280 30 17 280 34 17 280 34 22 278 27,6 16,8
8 320 30 17 320 34 17 320 34 22 318 27,6 16,8
9 340 30 17 340 34 17 340 34 22 338 27,6 16,8
10 - - - 370 34 17 - - - - - -

L = Length, B = Width, S = thickness

Klinger glass type Application Reflex glasses Type A1) Type B1) Type H
Bar 0C Bar 0C Bar 0C
For media which do not significantly affect the glass e.g. oils and hydro-carbons 220 120 265 120 300 120
150 400 180 400 200 400
0-10 430 0-10 430 0-10 430
For media which seriously attack the glass e.g. saturated steam, HPWH, alkalis 35 243 35 243 42 253

1) Glass types to DIN 7081 (ONORM 7354)

2) For steam pressures above 35 bar we recommend the use of mica-protected transparent glasses.

Klinger glass type Application Transparent glasses Type A1) Type B1) Type H
Bar 0C Bar 0C Bar 0C
For media which do not significantly affect the glass e.g. oils and hydro-carbons 240 120 290 120 - -
160 400 200 400 - -
0-10 430 0-10 430 - -
For media which seriously attack the glass e.g. saturated steam, HPWH, alkalis 2) 2) 3)
35 243 35 243 120 324
70 300 85 300 180 356

1) Glass types to DIN 7081 (ONORM 7354)

2) For steam pressures above 35 bar we recommend the use of mica-protected transparent glasses.

3) At steam pressure above 120 bar only TA-28 glasses, size, may be used.

4) TA-28 glasses may only be used with mica-protection.

Application range of KLINGER Glasses

The values for gauge pressure and temperature shown in the table are maxima. These service limitations should not be exceeded without prior consultation with our technical staff. At working temperatures above 300oC the glass beings to suffer stress relief ( a release note for material data is only issued for temperatures to 300oC) In this temperature range care should be taken to prevent shock-effects on the glass during service.

KLINGER reflex and transparent glasses are suitable for all technically practicable below-zero temperatures.

A dismantled glass should not be re-used.

KLINGER glasses are suitable for use in liquid level gauges of nearly all makes.

Standards

KLINGER glasses comply with the following standards :

ONORM M 7354 (long sight glasses)

DIN 7081 (long sight glasses)

TGL 7210 (sight glasses)

JIS B 8211 (Japanese Industrial Stand)

MIL - G- 18498 B (US-Navy-Ships)

BS 3463(British Standards Institution)

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