High pressure UHP cylinder valve for highly oxidizing gases – D306
D306 valve for Ultra High Purity highly oxidizing and reactive gases is designed for keeping the highest level of purity of the gas, thanks to the tied diaphragm technology. The Rotarex Puretec D306 is also available with the new Open/close indicator from Rotarex Puretec.
Key advantages
  • Tied diaphragm design with minimal gas wetted volume
  • Metal to metal sealing
  • Patented operation mechanism
  • Threaded weep hole for pipe away connection
Gas TypeUHP highly oxidizing/reactive gases
ConnectionsAccording (inter-)national standards, customer specifications
Working pressure150 bar
Flow rateCV=0.28
Temperature range-40 to +65 °c
Body materialsStainless steel 1.4435 (AISI 316L), Hastelloy® C22
Leak rate1.10-8 M bar l/s
Seat orifice size3.5 Mm
Markingπ(according to TPED), 3 stars, valve number, manufacturing date
Dimensional drawings
Downloadable catalogs, brochures
  • Download
    Puretec Catalog
    Last update: Jan 15, 2024
    Available in: en
  • Download
    Puretec overview
    Last update: Jan 15, 2024
    Available in: en
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