Industrial Pressure Reducing Station (PRDS) are devices that can reduce the pressure in a process chamber. They control the flow rate of liquids or gases, increase liquid and gas throughout, or reduce energy consumption. PRDSs can be used in virtually any process where pressure is a concern. They are commonly used in manufacturing processes such as oil refineries, paper mills, chemical plants, food processing facilities, and pharmaceutical and biotech production facilities.
There are two types of PRDSs: in-line and remote. In-line PRDSs is installed directly in a process line and typically include a check valve orifice that controls fluid flow. Remote PRDSs are usually installed in a control room and attached to sensors that monitor pressure levels.
Pressure Reducing Station Specifications
| Size | : | 15 - 200 NB and Higher | |
| Capacity | : | 100 - 8000 kg/h and Higher | |
| Design Temperature | : | Saturated Steam Temperature | |
| Design Pressure | : | Inlet 10.5 kg/cm2 17.5 kg/cm2 |
Outlet 3.5 kg/cm2 8 kg/cm2 |
Pressure Reducing Station Material
| Description | Material of Construction | Specifications |
|---|---|---|
| Pipe | Forged Steel | ASTM A106 Gr. B |
| Flanges | Forged Steel | ASTM A105 / Equivalent* |
| Gate / Globe Valves or Bellow Seal Valves** |
Cast Steel body SS trim Cast Steel body, SS Stellited trim bellow in Titanium steel material |
ASTM A216 Gr. WCB |
| Direct Acting PRV | Cast Steel body SS trim | ASTM A216 Gr. WCB |
| Safety Valve | Cast Steel body SS trim | ASTM A216 Gr. WCB |
Pressure Reducing Station Features
- Designed as per best steam engineering practices
- Specially designed flow divider to ensure low noise levels
- Rugged in design
- Safety valve sized for full discharge capacity of the PRS
- Operates even in low flow conditions
- Ready to install i.e. reduces installation time and field engineering
- Maintenance free and user friendly
- Both IBR certified and non IBR PRS available
- Can be used in hazardous area without any electrical connections
- Quick response to pressure changes
Application
- Process applications with continuous steady steam requirement
- Where high accuracy of control is not required
- Where electricity & compressed air are not easily available
- Can be used even in hazardous area
- This is a low maintenance system where skilled operators are not available
