Rotarex · UHP — ultra high purity
2-pieces sturdy stem design high pressure cylinder valves for corrosive gases – D160S
Manufacturer product images · for reference
High pressure cylinder valve - 2-piece Stem design - spring loaded gland packing - soft seat
- 2-piece sturdy stem design in order to reduce particle generation.
- Non rotating lower spindle for increasing tightness during life time.
- No particle shedding threading in gas wetted areas.
- Self-adjusting compression of V-packings using disc springs, allowing a service temperature range from -40° to +65°C.
- Locking nut having left-hand thread that secures the valve mechanism, even if excessive torques are applied.
- O-rings fitted behind V-packings guarantee a secondary sealing, and they avoid the risk of humidity coming in contact with the gas wetted areas.
- Soft seat induces low operating torque.
- Soft seat is fixed with a special screw and its design improves the valve’s robustness against over torques.
Technical specifications
| Brand | Rotarex |
|---|---|
| Category | UHP — ultra high purity |
| Marking | π 0029 (according to TPED), manufacturing date, 3 stars, valve part number, valve inlet, valve outlet |
| Leak rate | <1.10 -5 m bar L/s |
| Connections | According (inter-)national standards and customer’s specifications |
| Body materials | Stainless steel 1.4305 (AISI 303), 1.4435 (AISI 316L), Brass CW617N, ASB |
| Working pressure | 200 bar |
| Nominal flow rate | CV = 0.9 |
| Seat orifice size | 6 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.
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