Gas pressure regulator РЕД-4
Direct action pressure regulator «РЕД-4-50» are designed to reduce high and medium pressure to medium and low pressure. The pressure regulators «РЕД-4-50»are spring-loaded, with a seat and a counterbalanced valve. They are equipped with a built-in safety relief valve (SRV), which activates and releases excess pressure when the outlet pressure exceeds the preset value, and a slam-shut device (SSD), which activates and stops the gas supply if the outlet pressure exceeds or falls below the preset values.
| № | Characteristic | Unit | Value or note |
|---|---|---|---|
| Gas pressure regulator | |||
| 1 | Maximum operating inlet pressure, (Ре max) | MPa | 0,6 |
| 2 | Body allowable pressure, PS | MPa | 1,6 |
| 3 | Inlet pressure range, bpe | MPa | 0,003-0,6 |
| 4 | Outlet set pressure ranges, Wa *: | kPa | |
| gas pressure regulator “РЕД-4-50-Н” | kPa | 1-10* | |
| gas pressure regulator “РЕД-4-50-С1” | kPa | 7-35* | |
| gas pressure regulator “РЕД-4-50-С2” | kPa | 30-60* | |
| gas pressure regulator “РЕД-4-50-С3” | kPa | 59-100* | |
| 5 | Maximum flow rate, Qmax | nm3/h | 900 |
| 6 | Flow rate coefficient, Cg: – for inlet pressure 0,003-0,3 MPa – for inlet pressure 0,3-0,6 MPa |
390 |
|
| 7 | Accuracy class, АС | % | ± 5 |
| 8 | Lock-up pressure class, SG | % | + 10 |
| 9 | Seat DN, DNseat | mm | 30 |
| Slam-shut device (SSD) | |||
| 10 | Maximum operating pressure | MPa | 0,5 |
| 11 | Underpressure and overpressure SSD set range | kPa | Underpressure set range, SSD Pu min 0,5-134* Overpressure set range, SSD Pu max 2,4-220* |
| 12 | Accuracy class, AG | % | ± 5 |
| 13 | Response time, ta | sec | ≤1 |
| General information | |||
| 14 | Tightness class | – | Class “A“ GOST 9544-2015 |
| 15 | Weight | kg | 27 |
| 16 | End connection type | – | flanged according to GOST 33259-2015 |
| 17 | Inlet and outlet nominal DN | mm | DN50 |
| 18 | Connection DN for a gas discharge pipeline | mm | Threaded G3/4-В |
| 19 | Main dimensions | mm | 190 |
| 20 | Gas temperature range, TS | °С | -20°С to + 60°С |
| 21 | Ambient temperature range | °С | -40°С to + 60°С |
| 22 | Average service life | year | 40 |
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Advantages
- Direct action pressure regulator
- Counterbalanced valve
- Stable operation in dynamic load conditions
- High accuracy of outlet pressure
- Long service interval — 8 years
- Application of high-quality membrane fabric materials
- Stable operation at low temperatures
- High flow capacity even at low inlet pressure
- Manufactured in Russia
