Two-Stage Pressure Regulators
Two-Stage Pressure Regulator: Definition, Features, Parameters & Differences
1. Definition of Two-Stage Pressure Regulator
The two-stage pressure regulator is mainly used in scenarios where the inlet pressure varies over a wide range while precise and stable outlet pressure is required. This type of two-stage pressure regulating valve is equivalent to two single-stage pressure regulators connected in series, which minimizes the impact of continuous consumption and reduction of inlet pressure on the outlet pressure.
2. Structural Features
Adopts a two-stage pressure reducing diaphragm structure, ensuring stable outlet pressure.
Suitable for analytical instruments and various high-purity gases.
3. Product Features
Compact structure with two-stage pressure reduction design.
Metal seal is used between the diaphragm and the valve body.
Minimal impact of inlet pressure changes on the outlet pressure.
Stable and precise outlet pressure.
Panel mounting option available.
4. Technical Parameters
Parameter Item | Specification |
|---|---|
Maximum Inlet Pressure | 3000 psi (200 bar) |
Pressure Control Range | 0-500 psi (34.4 bar) |
Flow Coefficient (CV) | 0.06 |
Connection Type | NPT 1/4"F threaded connection |
Weight | 1.5 kg |
5. Differences Between Two-Stage and Single-Stage Pressure Regulators
Compared with single-stage pressure regulators, two-stage pressure regulators have better performance in regulating and stabilizing the outlet pressure. The two-stage pressure regulator adopts two-stage pressure regulation: through the collaborative work of the first and second stage pressure regulators, it can adjust the outlet pressure more precisely and maintain greater stability.
Although single-stage pressure regulators can also achieve the pressure reduction function, their performance in regulation and control accuracy is slightly inferior to that of two-stage ones.
In addition, due to the two-stage regulation design, the two-stage pressure regulator can reduce pressure fluctuations and impacts during the pressure reduction process, providing a better buffering effect. In contrast, the single-stage pressure regulator only has one pressure reduction stage, which may cause relatively large pressure fluctuations and exert adverse effects on pipelines and equipment.
