
Rotarex · UHP — ultra high purity
High pressure, dual port UHP cylinder valve - D340S
Manufacturer product images · for reference

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.
- 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
| Brand | Rotarex |
|---|---|
| Category | UHP — ultra high purity |
| Marking | π0029 (according to TPED), 3 stars, valve number, manufacturing date |
| Gas Type | Pure & Ultra-pure |
| Flow rate | CV=0.35 |
| Leak rate | 1.10 -8 M bar l/s |
| Connections | According (inter-)national standards and customer specifications |
| Body materials | Stainless steel 1.4435 (AISI 316L), Hastelloy® C22 |
| Working pressure | 200 bar |
| Seat orifice size | 4 Mm |
| Temperature range | -40 to +65 °c |
Product information and images are compiled from the manufacturer's own publications; they do not depict a Sedan Mühendislik installation. Technical data is confirmed before ordering.

UHP — ultra high purity


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