Pressure Reducing & De-superheating Station
PRS-06-DSH
Product description:
Complete Pressure Reducing & De-Superheating Station (PRDS) consisting of
- Pressure Reducing Valve – (Self Actuating / Pneumatic / Motorized Type
- Safety Valve-Angle Discharge, Spring Loaded, Full Lift, Conventional type.
- Isolation Valve (Gate valve / Piston valve) -OS & Y type, H / W Operated, for Inlet, Outlet & By Pass valve (Globe valve / Piston valve)
- Pressure gauge with Syphon cock for Inlet & Outlet Pressure Reading
- De-Superheating station / system
completely fabricated with seamless pipes, fittings and flanges with bypass line dully assembled / testing & certified with IBR form III-A
Features:
- All Inlet & Outlet Isolation, bypass Valves [Gate / Globe / Piston], PRV, Desuperheater Control Valve, SRV are in house manufacturing products.
- All Piping / SRV / PRV / DSH are correctly Sized with Sizing Selection Programme for Accurate Controlled Performance.
- Complete PRDS is in house Fabricated with high skill IBR approved welder with seamless pipes, fittings and flanges with bypass line dully assembled and finally tested and certified with IBR form III-A.
- Hydro Testing of PRDS and Final Pressure setting is done with air before dispatch.
Application:
- PRDS for process heating applications in sugar, food, textile, paper, chemical, pharma etc.
- Deaerator, Ejector PRDS for boiler
- Turbine bypass / Exahust / Bleed PRDS
Ordering / Sizing Information:
- Steam Flow Rate
- Steam Inlet Pressure , Kg/cm2
- Steam Outlet Pressure in Kg./cm2
- Steam Inlet temp. in Deg. C
- Steam Outlet temp. in Deg. C
- Spray Wate
- Water Pressure in Kg./cm2
- Water Temperature in Deg. c
Technical Specifications
| PRS | DSH | |
| Inlet Pipe Size | 25 mm to 300 mm | 25 mm to 80 mm |
| Outlet Pipe Size | 25 mm to 600 mm | 25 mm to 80 mm |
| Pressure Rating | 150 #, 300# , 600#, 900#, 1500# | 150#, 300#, 600# |
| Flow Characteristics | Equal% / Linear | Equal% / Linear |
| Rangeability | 40:1 | 40:1 |
| Material | Carbon Steel / Alloy Steel | Carbon Steel / Alloy Steel |
| End Connection | Flanged End / Butt-Weld End | Flanged End |
Pressure Reducing & De-Superheating Station (PRDS)
Material Specifications
| SR.NO. | Part Name | QTY. | Material |
|---|---|---|---|
| 1 | Inlet Pipe | 1 | A 106 Gr.B/ASTM A335 P11 |
| 2 | Gate / Piston Valve-Inlet | 1 | ASTM A216 GR. WCB / ASTM A217 GR WC6 / Wc9 |
| 3 | Reducer / Distance Piece | 1 | A 234 Gr. WPB/A 106 Gr.B/ASTM A335 P11 |
| 4 | Pressure Control Valve | 1 | ASTM A 216 Gr. WCB/ ASTM A 217 GR WC6 / Wc9 |
| 5 | Expander/Distance Piece | 1 | A 234 Gr. WPB/A 106 Gr.B/ASTM A335 P11 |
| 6 | Gate / Piston Valve-Outlet | 1 | ASTM A 216 Gr. WCB/ ASTM A 217 GR WC6 / Wc9 |
| 7 | Globe / Piston Valve-Bypass | 1 | ASTM A 216 Gr. WCB/ ASTM A 217 GR WC6/WC9 |
| 8 | Safety Valve | 1 | ASTM A 216 Gr. WCB/ ASTM A 217 GR WC6/WC9 |
| 9 | Outlet Pipe | 1 | A 106 Gr. B/ASTM A335 P11 |
| 10 | Bypass Pipe | 1 | A 106 Gr. B/ASTM A335 P11 |
| 11 | Bend | 2 | A 234 Gr. WPB |
| 12 | Isolation Valve (FGLV) | 5 | ASTM A 105 / ASTM A 182 F11 |
| 13 | Pressure Gauge with Needle Valve & Syphon Cock | 3 | Standard |
| 14 | Pressure Gauge with Needle Valve & Syphon Cock | 2 | Standard |