
Rotarex · Specialty gas systems
Diaphragm low pressure regulator - S55
Manufacturer product images · for reference

S55 second stage line pressure regulator is designed for applications in petrochemical, industrial and laboratory environments. It is ideally suited for calibration of gas mixtures in petrochemical industry; environmmental emission monitoring, industrial hygiene or safety monitors, and to trace impurity in analyzers . It is also commonly used to oxygenate fish-breeding tanks.
- Exceptionally accurate pressure delivery
- Flexible mounting options on wall or panel
- Compact design
| Brand | Rotarex |
|---|---|
| Category | Specialty gas systems |
| Gauges | Low pressure (M10 x 1 or 1/4 NPT) |
| O-ring | EPDM |
| Weight | +/- 0,8 kg |
| Diaphragm | AISI 304 (3/8/10 bar) / Hastelloy® (16/35 bar) |
| Leak rate | 10 -8 M bar l/s |
| Seat seal | EPDM |
| Oxygen use | Inlet pressure ≤ 30 bar max. for chrome plated brass |
| Female ports | G3/8 or 1/4 NPT (inlet/outlet) |
| Nominal flow | 2,5/3,5/5,5/10 Nm 3 /h (N2) |
| Inlet pressure | 50 bar / 725 psi |
| Outlet Pressure | 0,3-3 / 1-10 / 1,6-16 / 3,5-35 bar / 44/145/232/508 psi |
| 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.


Specialty gas systems


Alarm boxes - BA12
Product detail — Alarm boxes - BA12
Bellow integrated point of use - MS20
Product detail — Bellow integrated point of use - MS20
Bellow low pressure regulator - S20
Product detail — Bellow low pressure regulator - S20Tell us the protected volume and we will size the system together
The dimensions of the space, the equipment inside it and whether people are present — those three are enough. We come back with an agent recommendation, the system scope and the price.
