1.基本规格
模型分析：
IS：国际标准单级单吸离心泵
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.性能参数
| 规范 | 指标范围 |
| 流量（Q） | 300-550m³/h |
| 头 (H) | 45-65m |
| 转速 | 1480r/min (4-pole motor) |
| 效率 | 78-82% |
| Required NPSH | 4.0-5.5m |
3.结构设计
泵体材料
Standard: HT250 cast iron
Optional:304/316L stainless steel (corrosive media) Impeller: Closed structure (balance hole design)
Material: Bronze/stainless steel (optional)
轴封：
Standard: Packing seal (graphite braided)
Optional:Mechanical seal (SiC to graphite)
4.电源配置
匹配电机：
Power: 132-200kW (selected according to working conditions)
防护等级防护等级： 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)
