Wilo-SCP
Series description
Design
Axially spilt case pump mounted on a baseplate
Application
- Pumping heating water in accordance with VDI 2035 water/glycol mixtures, cooling/cold water and domestic hot water
- Applications in municipal water supply, irrigation, building services, general industry, power stations, etc.
Type key
| Example | SCP 200/250HA‐110/4 |
| SCP | Axially split case pump |
| 200 | Nominal diameter of pressure port |
| 250 | Nominal diameter of impeller |
| HA | Hydraulics type A |
| HB | Hydraulics type B |
| Hs | Single suction impeller |
| DS | Two-stage pump |
| DV | Double volute |
| 110 | Rated motor power P2 [kW] |
| 4 | 4-pole motor |
Special features/product advantages
- Efficient hydraulics for high flow rates up to 17,000 m³/h
- Low NPSH thanks to double suction impeller
- High process reliability and easy maintenance without removing the pressure or suction lines
- Decreased noise level and reduced vibrations
- Options: energy efficient IE3-/IE4 motors, drinking water approval (KTW, ACS), innovative Ceram CT coating
Description/design
- Centrifugal axially split case pump, available in single-stage and two-stage design.
- Delivered as complete unit (pump with coupling, coupling guard, motor and baseplate) or without motor or only pump hydraulics
- Shaft sealing with mechanical seal or stuffing box packing
- 2-, 4- and 6-pole motors; IE3-standard to 375 kW (IE4, IE2 on request)
- Cast baseplate: SCP 200 and higher with welded steel frame (depending on the motor power and dimensions)
Materials
- Pump housing: EN-GJL-250
- Impeller: G-CuSn10
- Shaft: X12Cr13
Scope of delivery
- Pump
- Installation and operating instructions
Options
- Other motor versions on request
- Higher volume flow up to 17 000 m3/h as special version
- Special motor (6000V, 10 000 V etc.)
- Special construction
- Impeller: Bronze, grey cast iron, stainless steel
- Housing: grey cast iron, spheroidal cast iron
- Cyclone separator (for flushing the gasket)
Duty chart
Similar to figure
Produkti
Approved fluids (other fluids on request)
Heating water (in accordance with VDI 2035) |
• |
Cooling and cold water |
• |
Water-glycol mixtures (for 20-40 vol.% glycol and fluid temperature ≤ 40 °C) |
(from 10 vol.% glycol: performance check required) |
Permitted field of application
Fluid temperature - mechanical seal T |
-8...+120 °C |
Fluid temperature - stuffing box packing T |
-8...+105 °C |
Pipe connections
Nominal connection diameters DN |
On suction side: 65-500 (larger nominal diameters on request) |
Materials
Pump housing |
EN-GJL-250 |
Pump housing (special version) |
Ni-resist cast iron GGL-NiCr202/X6CrNiMo1810 |
Impeller |
G-CuSn10 |
Impeller (special version) |
|
Stationary wear rings |
G-CuSN10 |
Pump shaft |
X12cr13 |
Pump shaft (special version) |
X5CrNiMo1810 |
Mechanical seal |
Carbon/silicon carbide/EPDM (E1) |
Other mechanical seals |
Stuffing box packing |
Materials (American standard)
Pump housing |
A48 class 35 |
Pump housing (special version) |
Ni-resist BS 3468 Gr 2/BS 2789 500.1 |
Impeller |
B584 C83 600 |
Impeller (special version) |
A48 class 35/A 743 Gr CF8M |
Stationary wear rings |
B584 C93 700 |
Pump shaft |
A276 type 410 |
Pump shaft (special version) |
BS 970 316 S16 |
Mechanical seal |
Carbon/silicon carbide/EPDM (E1) |
Other mechanical seals |
Stuffing box packing |
Motor/electronics
IEC standard motor |
• |
Protection class |
IP 55 |
Insulation class |
F |
PTC thermistor sensor |
• |
Motor protection required on site |
to be provided by the customer for installation |
Motor winding up to 3 kW |
230 V Δ/400 V Y, 50 Hz |
Motor winding from 4 kW |
400 V Δ/690 V Y, 50 Hz |
Other voltages/frequencies |
Special version at additional charge |
Speed of 6-pole motors n |
980 rpm |
Speed of 4-pole motors n |
1450 rpm |
Speed of 2-pole motors n |
2900 rpm |
Speed control |
Wilo control devices, external frequency converter (at additional charge) |
