High pressure & high flow UHP cylinder valve – D339S
D339S valve is designed for keeping the highest level of purity of UHP, corrosive, reactive and toxic gases. No particles are generated in the gas wetted part thanks to the tied diaphragm technology. The D339S is also available with the new Open/close indicator from Rotarex Puretec.
Key advantages
- Tied diaphragm design with minimal gas wetted volume
- Combined soft and metal seat design with low permeation rate
- Patented operation mechanism
- Threaded weep hole for pipe away connection
Specifications
| Gas Type | Pure & Ultra-pure |
| Connections | According (inter-)national standards, customer specifications |
| Working pressure | 200 bar |
| Flow rate | CV=0.55 |
| Temperature range | -40 to +65 °c |
| Body materials | Stainless steel 1.4435 (AISI 316L), Hastelloy® C22 |
| Leak rate | 1.10-8 M bar l/s |
| Seat orifice size | 6 Mm |
| Marking | π0029 (according to TPED), 3 stars, valve number, manufacturing date |
Downloadable catalogs, brochures
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