Low pressure & high flow dual port UHP cylinder valve - D342

D342 low pressure valve for Ultra-High Purity corrosive, reactive and toxic gases is designed for keeping the highest level of purity of the gas, thanks to the tied diaphragm technology. The D342 dual ported valve has two outlets marked “LIQUID” to withdraw liquid phase and “VAPOR” for gas phase.
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
Gas TypePure & Ultra-pure
ConnectionsAccording (inter-)national standards and customer specifications
Working pressure45 bar
Flow rateCV=0.55
Temperature range-40 to +65°C
Body materialsStainless steel 1.4435 (AISI 316L), Hastelloy® C22
Leak rate1.10-8 M bar l/s
Seat orifice size8 Mm
Markingπ0029 (according to TPED), 3 stars, valve number, manufacturing date
Dimensional drawings
Downloadable catalogs, brochures
  • Download
    Puretec overview
    Last update: Jan 15, 2024
    Available in: en
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