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High pressure, dual port UHP cylinder valve - D340S
D340S valve for Ultra-High Purity gases from Rotarex Puretec is designed for keeping the highest level of purity of the gas. The dual port technology ease withdrawal of liquefied gas by pressurizing through vapour port. No particles are generated in the gas wetted part thanks to the tied diaphragm technology.
Key advantages
  • 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
  • Eliminates need for 2-valve system
  • Threaded vent hole
Specifications
Gas TypePure & Ultra-pure
ConnectionsAccording (inter-)national standards and customer specifications
Working pressure200 bar
Flow rateCV=0.35
Body materialsStainless steel 1.4435 (AISI 316L), Hastelloy® C22
Temperature range-40 to +65 °c
Leak rate1.10-8 M bar l/s
Seat orifice size4 Mm
Markingπ0029 (according to TPED), 3 stars, valve number, manufacturing date
Dimensional drawings
Drawing
Downloadable catalogs, brochures
  • Download
    Puretec Catalog
    Last update: May 25, 2021
    Available in: en
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