Grundfos 90kW Single Stage Centrifugal Pump with 666.6 m³/h Flow Rate and 250mm Outlet Diameter
Price:
200-1000
MOQ:
1
Delivery Time:
within 15 workdays
Brand:
Grundfos
Product Description
Product Overview
End-suction close-coupled single-stage centrifugal pump model NBG 300-250-500/525 AIAF2AESBQQEWW5, designed for demanding industrial applications with 90kW motor power and 250mm outlet diameter.
Product Number: 93351275
Applications
- Commercial heating and air conditioning systems
- Commercial water pressure boosting
- District heating networks
- Industrial cleaning processes
- Heating supply systems
- Desalination plants
- Municipal water transmission and distribution
- Agricultural irrigation systems
- Community and building water supply
Design & Construction
Non-self-priming single-stage volute centrifugal pump designed in accordance with ISO 5199, with dimensions and rated performance complying with ISO 2858 (16 bar). Features axial suction port, radial discharge port, horizontal shaft, and back-pull-out design for easy maintenance without disconnecting pipelines.
Compliance: Short-coupled pump conforming to ISO 2858
Flange Standard: PN 16 type, dimensions conforming to EN 1092-2
Shaft Seal: Unbalanced O-type meeting DIN EN 12756 requirements
Controller & Liquid Specifications
Controller
- Frequency converter: None
- Pressure sensor: N
Liquid Properties
- Liquid conveyed: Water
- Liquid temperature range: -25 to 120 °C
- Liquid temperature during operation: 20 °C
- Density: 998.2 kg/m³
Technical Performance Data
| Parameter | Value |
|---|---|
| Pump speed basis | 990 rpm |
| Rated flow rate | 666.6 m³/h |
| Rated head | 35.73 m |
| Impeller actual diameter | 525 mm |
| Impeller nominal speed | 500 |
| Impeller type | Standard |
| Shaft seal configuration | Single |
| Main shaft seal | BQQE |
| Curve tolerance | ISO9906:2012 3B |
| Bearing design | Standard |
Material Specifications
| Component | Material |
|---|---|
| Pump housing | Cast iron (EN-GJL-250, ASTM class 35) |
| Wear ring | Brass (CuZn34Mn3AI2Fe1-C) |
| Impeller | Cast iron (EN-GJL-200, ASTM class 30) |
| Internal pump housing coating | CED |
| Shaft | Stainless steel (EN 1.4301, AISI 304) |
Installation Specifications
| Parameter | Value |
|---|---|
| Maximum ambient temperature | 40 °C |
| Maximum operating pressure | 16 bar |
| Pipeline connection standard | EN 1092-2 |
| Inlet size | DN 300 |
| Outlet size | DN 250 |
| Pressure rating for pipe connection | PN 16 |
| Bearing lubrication | Grease |
| Pump casing with support feet | Yes |
Electrical Specifications
| Parameter | Value |
|---|---|
| Motor model | 315M |
| Rated power - P2 | 90 kW |
| Power supply frequency | 50 Hz |
| Rated voltage | 3 x 380-400/660-690 V |
| Rated current | 170-162/98.0-93.8 A |
| Starting current | 700 % |
| Cos phi - Power factor | 0.84 |
| Rated speed | 990 rpm |
| Efficiency | IE4 95.6% |
| Motor pole count | 6 |
| Enclosure rating (IEC 34-5) | 55 (Protect. water jets/dust) |
| Insulation class (IEC 85) | F |
| Motor number | 92555159 |
Additional Information
| Parameter | Value |
|---|---|
| Minimum Efficiency Index (MEI ≥) | 0.48 |
| Net weight | 1,620 kg |
| Gross weight | 1,780 kg |
| Transport volume | 3.33 m³ |
| Place of origin | CN |
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Tianjin Shiny-Metals Technology Co., Ltd.
Location
Room 405A-8, Building 1, Collaborative Development Center, No. 1 Xihuan North Road, Zhongguancun Science and Technology City, Jingjin, Baodi District, Tianjin
Contact Person
Wang