Gas pressure regulator РЕД-3
Direct action pressure regulator «РЕД-3-40» are designed to reduce high and medium pressure to medium and low pressure. The pressure regulators «РЕД-3-40»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-3-40-Н” | кkPa | 1,7–7,0* | |
| gas pressure regulator “РЕД-3-40-С1” | kPa | 7,0–35* | |
| gas pressure regulator “РЕД-3-40-С2” | kPa | 30–55* | |
| gas pressure regulator “РЕД-3-40-С3” | kPa | 54,5–100* | |
| 5 | Maximum flow rate, Qmax | nm3/h | 300 |
| 6 | Flow rate coefficient, Cg: – for inlet pressure 0,003–0,04 МПа – for inlet pressure >0,04–0,3 МПа – for inlet pressure >0,3–0,6 МПа |
80 |
|
| 7 | Accuracy class, АС | % | ±5 |
| 8 | Lock-up pressure class, SG | % | +10 |
| 9 | Seat DN, DNseat | mm | 17 |
| 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 0,8–60* Overpressure set range, SSD Pu max 3,0–220* |
| 12 | Accuracy class, AG | % | ±5 |
| 13 | Response time, ta | с | ≤1 |
| 14 | General information | ||
| 15 | Tightness class | – | Class “A“ GOST 9544-2015 |
| 16 | Weight | kg | 8 |
| 17 | End connection type | – | flanged according to GOST 33259-2015 |
| 18 | Inlet and outlet nominal DN | mm | DN40 |
| 19 | Connection DN for a gas discharge pipeline | mm | Threaded G3/4-В |
| 20 | Main dimensions | mm | 181 |
| 21 | Gas temperature range, TS | °С | –20°С to +60°С |
| 22 | Ambient temperature range | °С | –40°С to +60°С |
| 23 | 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 output pressure maintenance
- Long service interval — 8 years — 8 лет
- Application of high-quality membrane fabric materials
- Stable operation at low temperatures
- High flow capacity even at low inlet pressure
- Manufactured in Russia
