1.Basic specifications
model analysis:
IS: International standard single-stage single- suction centrifugal pump
200: Inlet diameter 200mm
150: Outlet diameter 150mm
400: Impeller nominal diameter 400mm
Type: Horizontal centrifugal pump (axial suction/ radial discharge) Standard: GB/T5656 (equivalent to ISO2858)
2.Performance parameters
| parameter | Scope of indicators |
| Flow(Q) | 300-550m³/h |
| Head (H) | 45-65m |
| rotational speed | 1480r/min (4-pole motor) |
| efficiency | 78-82% |
| Required NPSH | 4.0-5.5m |
3.Structural design
Pump body material:
Standard: HT250 cast iron
Optional:304/316L stainless steel (corrosive media) Impeller: Closed structure (balance hole design)
Material: Bronze/stainless steel (optional)
Shaft seal:
Standard: Packing seal (graphite braided)
Optional:Mechanical seal (SiC to graphite)
4.Power configuration
Matching motor:
Power: 132-200kW (selected according to working conditions)
Protection level: IP55
Insulation grade: F class
Transmission mode: elastic coupling direct connection
5.Installation size
Flange standard: GB/T9113 (PN16)
Center height: 450mm
Foot spacing: 1000×800mm
Inlet and outlet angles: horizontal suction/vertical discharge (customizable)
6.Operation parameters
Working temperature:-20℃~+120℃
Maximum working pressure:1.6MPa
Medium viscosity: ≤500cSt
7.Selection and extension
Special configuration: Duplex stainless steel impeller (chloride ion corrosion resistance)
Frequency conversion control system (energy saving adjustment)
Bearing temperature vibration monitoring system
Typical applications
1.Industrial circulating water system
2. Boiler feed water
3. Cooling tower water supply
4. Process medium transportation
(Note: The actual selection needs to be checked according to the specific medium characteristics, system resistance and installation conditions)
