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Vertical Multistage Pipeline Pump Dfl Type
Vertical Multistage Pipeline Pump DFL Type
**Product Overview**
The Vertical Multistage Pipeline Pump DFL type is a high-performance, compact, and efficient pump designed for a wide range of industrial applications. It features a vertical multistage structure with a sectional design, making it ideal for systems requiring high pressure and reliable operation. This pump is commonly used in fire protection, boiler water supply, cooling systems, and high-rise building water supply.
**Technical Specifications**
- **Model No.:** DFL
- **Impeller:** Semi-Open
- **Usage:** Pump
- **Name:** Vertical Multistage Pipeline Pump DFL Type
- **Certification:** CE
- **Trademark:** EAST
- **Transport Package:** Fumigation Wooden Case
- **Origin:** Shanghai, China
- **HS Code:** 841370999
**Operating Conditions and Range**
| Parameter | Specification |
|-----------|---------------|
| Model | DFL |
| DN (Flange) | 80–800 mm |
| Capacity | 1.4–194.4 m³/h (with 2950 RPM, 1450 RPM, 980 RPM) |
| Head | 20–230 m |
| Permitting Working Pressure | 2.5 MPa |
| Medium Temperature | Normal ≤80°C; Cooling Structure <105°C; ≥105°C – Special Orders |
| Material | Cast Iron HT200, HT250; SS304, SS316, SS316L, Duplex SS |
| Particulate | 80 mg/l |
| Motor | 380V, 415V, 660V; IP54, IP55; 50Hz, 60Hz |
| Shaft | Cast Steel, 2Cr13 |
| Casing & Cover | Cast Iron, Nodular Cast Iron, Cast Steel |
| Impeller | Cast Iron, Bronze, Stainless Steel |
| Mouth Seal | Cast Iron, Nodular Cast Iron, Bronze, Stainless Steel |
| Shaft Seal | Mechanical Seal or Packing Seal |
| Bearing | Closed Grease Lubricated Roller Bearing (SKF, NTN), NSK Thrust and Roll Bearing |
| Flange Standard | ASME, DIN, GB |
| Seal by | Burgmann Mechanical Seal or Gland Packing |
| Quality Control System | ISO9001:2000, ISO14001, OHSAS18001, ISO2548, GB/T3216, GB/T5657, GB19762-2005 |
**Key Features**
- Compact and small structure for easy installation
- Wearable mechanical seal with low leakage and smooth operation
- Tubular pump body with same inlet and outlet size, allowing flexible positioning
- Up-outlet type available with adjustable angle (0°, 90°, 180°)
- Saves up to 40% on building investment due to its special installation design
**Model Definition**
__1__ DFL __2__ -- __3__ x __4__
- 1: Inlet and Outlet Diameter (mm)
- 2: Rated Capacity (m³/h)
- 3: Rated One-Stage Head
- 4: Number of Stages
**Performance Table**
| Pump Type | Stage | Capacity (m³/h) | Head (m) | Speed (r/min) | Power (kW) | Efficiency (%) | NPSHR (m) | Total Weight (kg) |
|-----------|--------|------------------|-----------|---------------|-------------|----------------|------------|--------------------|
| 25DFL2-12 | 3 | 1.4 | 38 | 2900 | 1.1 | 23 | 1.4 | 58 |
| | | 2 | 36 | | | 30 | 1.7 | |
| | | 2.4 | 33 | | | 32 | 1.8 | |
**Service Items**
- Technical Training
- Equipment Evaluation
- Installation and Debugging
- Troubleshooting
- Maintenance and Upgrades
**Service Commitment**
1. Engineers will be sent for installation and debugging after contract signing.
2. One-year warranty with free technical support for the entire product lifecycle.
3. Continuous communication with clients to improve product quality based on feedback.
4. 24-hour service hotline available, with response within 8 hours: 400 1666 099
**Product Images**
[Image 1: Vertical Multistage Pipeline Pump DFL Type]
[Image 2: Vertical Multistage Pipeline Pump DFL Type]
[Image 3: Vertical Multistage Pipeline Pump DFL Type]
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Vertical Multistage Centrifugal Water Pump