Oleo-pneumatic UHP cylinder valve for highly oxidizing gases – D356
D356 valve with Oleo-pneumatic actuator 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. Its oleo-pneumatic actuator increases the seat closure force for a maximum safety.
Key advantages
  • Tied diaphragm design with minimal gas wetted volume
  • Metal to metal sealing
  • Patented operation mechanism
  • Threaded weep hole for pipe away connection
  • Strong closing force with the use of a hydraulic amplifier
Gas TypeUHP highly oxidizing/reactive gases
ConnectionsAccording (inter-)national standards, customers specifications
Working pressure150 bar
Flow rateCV=0.28
Temperature range-40 to +65 dc
Body materialsStainless steel 1.4435 (AISI 316L) / Hastelloy® 2.4602 (UNS N06022)
Leak rate1.10-8 M bar l/s
Seat orifice size3.5 Mm
Markingπ according to TPED), valve number, Manufacturing date, Connections, 3 stars
Downloadable catalogs, brochures
  • Download
    Puretec overview
    Last update: Jan 15, 2024
    Available in: en
  • Download
    Puretec Catalog
    Last update: Jan 15, 2024
    Available in: en
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