Dual port high pressure UHP cylinder valve - D349
D349 valve for UHP gases is designed for keeping the highest level of purity of the gas. Easy withdrawal of liquefied gas thanks to the dual port technology. The D349 allows a high flow value at high pressure with its 6mm orifice size.
Key advantages
  • Tied diaphragm design with minimal gas wetted volume
  • Dual port design to withdraw liquid, vapor
  • Easy withdrawal of liquified gas by pressurizing through vapor port
  • Quick filling of liquified gas by releasing cylinder head pressure through additional vapor port
  • Optional pressure relief device (PRD)
Gas TypePure & Ultra-pure
ConnectionsAccording (inter-)national standards, customer specifications
Working pressure200 bar
Flow rateCV=0.50
Temperature range-40 to +65 °C
Body materialsStainless steel 1.4435 (AISI 316L)
Leak rate1.10-8 m-bar-l-s
Seat orifice size6 Mm
Markingπ0029 (according to TPED), valve number, Manufacturing date, 3 stars
Dimensional drawings
Downloadable catalogs, brochures
  • Download
    Puretec overview
    Last update: Jan 15, 2024
    Available in: en
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