High Pressure, oleo-pneumatic, UHP cylinder valve - D354
D354 valve with oleo-pneumatic actuator is designed for keeping the highest level of purity of the gas. No particle are generated thanks to its tight diaphragm technology. Commonly used for UHP, corrosive, reactive and toxic gases, its oleo-pneumatic actuator increase the seat closure force.
Key advantages
  • Tied diaphragm design with minimal gas wetted volume
  • Combined soft and metal seat design with low permeation rate
  • Threaded weep hole for pipe away connections
  • Strong closing force with the use of a hydraulic amplifier
Gas TypePure & Ultra-pure
ConnectionsAccording (inter-)national standards, customeru2019s specifications
Flow rateCV=0.35
Working pressure200 bar
Body materialsStainless steel 1.4435 (AISI 316L)/option Hastelloy® 2.4602 (UNS N 06022)
Temperature range-40 to +65 °c
Leak rate1.10-8 M bar l/s
Seat orifice size4 Mm
Markingπ0029 (according to TPED), valve number, manufacturing date, Connections, seat material, 3 stars
Dimensional drawings
Downloadable catalogs, brochures
  • Download
    Puretec Catalog
    Last update: Jan 15, 2024
    Available in: en
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