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High pressure UHP cylinder valve – D304
Key advantages
  • Tied diaphragm design with minimal gas wetted volume
  • Combined soft and metal seat design with low permeation rate
  • Positive operation due to mechanical link of the upper and lower spindle
  • Patented operating mechanism
  • Threaded weep hole for leak test and pipe away connection
  • No particle generating threads in the gas wetted part
  • Optional pressure relief device (PRD)
Specifications
ConnectionsAll standard / Specific on request
Working pressure200 bar
Flow rate0.35
Temperature range-40 to +65 °c
Body materialsStainless steel 1.4435 (AISI 316L), Hastelloy® C22, Nickel 200, Monel® 2.4375 (Monel 500 K)
Seat orifice size4 Mm
Markingπ0029 (according to TPED), 3 stars, valve number, manufacturing date
Leak rate1.10-8 M bar l/s
Dimensional drawings
Downloadable catalogs, brochures
  • Puretec overview
    Last update: Sep 07, 2021
    Available in: en
  • Puretec Catalog
    Last update: May 25, 2021
    Available in: en
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