Transair Air System

Beldam Pilotgraph 4040

Beldam Pilotgraph 4040 is manufactured from 99% pure, exfoliated graphite tape and contains no binders, lubricant or other additives. It is a crimped tape on a roll, supplied in various widths from 6.5 to 25mm for in-situ packing of pumps and valves.


- Pumps, valves, agitators, static.
- Steam, water, oils, solvents, alkalis and acids, with the exception of strong oxidising agents.


In the range of 0 -14 pH is chemically inert. Suitable for solvents, alkalis and acids, with the exception of strong oxidising agents.


All sections from 8mm to 20mm are generally available from stock. The lenght is 15m.


High thermal conductivity and low coefficient of friction.

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Technical information

  • Maximum Temperature Range in air: 500ºC

  • Maximum Temperature Range in Steam: 650ºC

  • Maximum Temperature Range in Inert Gas Conditions: 3,000ºC

  • Maximum Temperature Range in oxidising conditions: 5,000ºC

  • Pressure: 350 bar

  • Speed: 30m/s

  • pH: 0-14

Technical Detail