
Datasheet summary
V250A Softener valve body
Engineering summary from PDF text extraction for V250A Softener valve body. Verify every value with the OEM datasheet.
Summary
Product Identification
- Product Line: Siata Control Valves
- Model: V250
- Type: Water Purification Valve Body
Operating Limits
- Hydrostatic Pressure: 22 bar
- Working Pressure: 1.5 to 6 bar
- Working Temperature: 5° to 40°C
- Material: ABS + 17% glass fiber
- Color: Blue / black
Feed Water
- Flow Rate (Downflow Regeneration, continuous at ∆p = 1 bar): 21 m³/h
- Flow Rate (Downflow Regeneration, peak at ∆p = 1.9 bar): 28.9 m³/h
- Maximum Backwash Flow Rate (at ∆p = 1.9 bar): 12 m³/h
- Maximum Rapid Rinse Flow Rate (at ∆p = 1.9 bar): 15 m³/h
- Cv (valve alone, at 0.07 bar pressure drop): 24.4 GPM (This refers to flow rate of valve alone)
Applications
- Residential and commercial softening
- Demineralisation
- Dealkalisation
- Filtration systems
Mechanical / Hydraulic
- Inlet/Outlet Connection: 2”¼ - BSP male threaded
- Drain Line Connector: 1’’1/2 BSP female - 2’’ BSP male
- Mounting Base/Tank Connection: 4” top mount
- Versions Available: With or without by-pass
- Pilot Connections: Quick
- Upflow Regeneration: No
- Duplex Systems: Yes
- External DLFC: Yes (1” 1/4)
Threaded Fittings Options
- 494-A/05: dia. 50 mm to glue (PVC-PVC)
- 494-G/05: 2” BSP male (Brass-Brass)
- 494-H/05: 1 ½” BSP female (PVC-PVC)
- 494-P/05: 1 ½” BSP female (Brass-Brass)
Tank Size Application (Recommended)
- Water Softener: 14’’ - 30’’ (max 500 L of resin)
- Filter: 14’’ - 30’’ (according to filter media specs)
- Demineralisation: 14’’ - 30’’ (max 500 L of resin)
Regeneration Cycles
- Adjustable Cycles: Depending on controller fitted
- Typical Cycles (Softener & Demineralisation):
- Backwash (Up flow)
- Brine & slow rinse (Down flow)
- Rapid rinse (Down Flow)
- Typical Cycles (Filter):
- Backwash (Up Flow)
- Rapid rinse (Down Flow) Note: Depending on the controller type, brine draw and slow rinse time must be set to 0.
Electrical
- Compatibility: Compatible with most of the SIATA controller range.
Disclaimer: This extraction may miss figures, footnotes, or revisions. Contractual data must match the OEM PDF revision used on the project.
Official datasheet (PDF)
Curated from selected public technical reference material for discovery and preliminary comparison. This summary is not a substitute for a current certified manufacturer datasheet. Verify revisions and design limits before use.