Drum-type Gasmeters TG-Series (Wet-Type)

Packing Liquids Autin-B

1. General

Autin-B is a Paraffin Oil (white oil) without Polyolefin. It is colourless, clear and odourless.

2. Application

Autin-B can be used in all RITTER Drum-type Gas Meters. As opposed to water as a Packing Fluid, Autin-B can be used under 0°C as well. It also has a lower evaporation rate. Because of this, the Packing Liquid level remains stable over a longer period of time. This leads to an improvement in the repeatability of measurement results, and in a reduction in the required frequency of Packing Liquid level monitoring.

The use of Autin-B is further recommended when the gas should remain dry or when the gas
reacts with water.

Not appropriate for chlorine gas.

3. Advantages

  • Use under 0°C
  • less evaporation than water due to its lower vapour pressure, resulting in greater stability of the Packing Fluid level and in more consistent measurement result
  • the gas remains dry
  • in general, a lower chemical reactivity with water

4. Solubility (Bunsen* coefficient at 1013 mbar, 20°C)

Air 0,07-0.08
Ammonia 0,18
Carbon Dioxide 0,90
Nitrogen 0,06
Oxygen 0,12

* Bunsen coefficient (N ml/ml): volume of gas, reduced to Normal condition (1013 mbar, 0°C), dissolved in the volume unit of fluid.

5. Kennwerte

Properties: 20 °C 37,0 mm2/sec (= cSt)
  40 °C 16,0 mm2/sec
  100 °C 3,6 mm2/sec
Density: 15 °C 0,85 g/ml
Vapour pressure: 20 °C < 0,1 mbar
Boiling range: 335-410 °C    
Pour point: -24 °C    
Flashpoint: >150 °C    
Appearance: Colourless, clear. odourless fluid
Subject to alterations

 



Dr.-Ing. Ritter Apparatebau GmbH & Co. KG · Coloniastr. 19-23 · D-44892 Bochum (Germany) · Phone: +49-234-280077 · Fax: +49-234-280078 · E-Mail: mailbox@ritter.de