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Reflex glass is allow simple and safe readings at a distance.
Transparent glass is supplied to steam and high pressure and high temperature condition.  

 Specifications
- Classification: reflex, transparent & disc type
- Standard versions: reflex and transparent
- High pressure: transparent version
- Tensile bending strength: standard 150 high pressure 180N/mm2
- Tolerance: Length=+0/-1.5 Width=+2/-0.8 Thickness=+0.5/-0.5 (high pressure=+0/-0.1)
                   Flatness: 0.13-0.05  
- Coefficient of Thermal Expansion (20/300deg.C): 4.2+-0.1x10-6K-1
- Material: borosilicate
- Certificate: DIN 7080 / 7081, BS 3463, JIS B 8211, O-Norm M 7354 and MIL G 16356 D

 Application
Gauge glasses are designed for continuous service temperatures up to 280.
Temperature exceeding 280
may cause the induced compressive stress to be relieved, reducing
it to approximately 90% of its initial value following a service of 300 hours at 300,  or about 70% for
service temperature up to 320.

TGI Ilmadur Gauge Glasses (e.g. Transparent type, width 34mm) can be used for

Media

Pressure (bar)

Temperature ()

Media with no significant glass attack (e.g. oil, hydrocarbon)

345

35

290

120

180

400


 DIN7081 Gauge Glass standard size

NO.

Reflex Type

Transparent Type

High Pressure Transparent Type

1

140L × 34 × 17

140L × 34 × 17

140L × 34 × 17.5

2

165L × 34 × 17

165L × 34 × 17

165L × 34 × 17.5

3

190L × 34 × 17

190L × 34 × 17

190L × 34 × 17.5

4

220L × 34 × 17

220L × 34 × 17

220L × 34 × 17.5

5

250L × 34 × 17

250L × 34 × 17

250L × 34 × 17.5

6

280L × 34 × 17

280L × 34 × 17

280L × 34 × 17.5

7

300L × 34 × 17

300L × 34 × 17

300L × 34 × 17.5

8

320L × 34 × 17

320L × 34 × 17

320L × 34 × 17.5

9

340L × 34 × 17

340L × 34 × 17

340L × 34 × 17.5

10

370L × 34 × 17

370L × 34 × 17

370L × 34 × 17.5

11

400L × 34 × 17

400L × 34 × 17

400L × 34 × 17.5

* For media with significant glass attack (e.g. saturated steam, alkali) we recommend to use
  Transparent Gauge Glasses only with protective mica shields for service pressure 35 bar.

* Delivery
   NO.2 and 4 to 11 Reflex & Transparent Type: Stock
  The other size: within 4 weeks

* It is available to supply 30mm width about 4weeks of delivery

 

 

 

 
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