
Rotarex · Specialty gas systems
Diaphragm single stage automatic switchover board with manual reset - TDI Specyl
Manufacturer product images · for reference

The TDI Specyl is ideally designed to ensure a continuous gas supply from multiple high-pressure sources of high-purity corrosive gases at low flow rates. It is particularly suited for use with low-pressure gas cylinders and gases such as NH₃ (ammonia) and H₂S (hydrogen sulfide). The automatic switchover panel enables seamless transition between sources without the need for manual reset, ensuring uninterrupted operation.
- Possible to manage up to 6 gas cylinders without any extension and a gas for purging operation.
- The automatic switchover board does not need to be reset to allow reversal of the cycle.
- Ready to install.
- Perfectly suited for gas such as NH3,H2S,...
- In option: Contact gauges with alarm box to indicate the source status.
| Brand | Rotarex |
|---|---|
| Category | Specialty gas systems |
| Gauges | High and low pressure |
| O-ring | EPDM - standard |
| Weight | ± 15.0 kg / ± 33.0 lbs |
| Diaphragm | Hastelloy ® |
| Leak rate | 10 -8 mbar ℓ/s He |
| Seat seal | PCTFE |
| Female ports | 1/4 NPT (inlet/outlet) |
| Nominal flow | N 2 : 5 Nm 3 /h / NH 3 : 12.5 Nm 3 /h |
| Inlet pressure | 8 / 25 bar / 116 / 363 psig |
| Outlet Pressure | 3 / 8 bar / 44 / 116 psig |
| Temperature range | -20°C to + 60°C / -4°F to + 140°F |
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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