DL/XBD series jockey pumps are single-suction, multi-stage, vertical segmental centrifugal pumps designed for water boosting in fire protection systems. They are ideal for transferring clear water or liquids with similar physical and chemical properties to water, typically at temperatures below 80°C. The DLR model is suitable for liquids up to 120°C. These pumps are widely used in industrial applications where reliable and efficient water pressure maintenance is essential.
**Model No.:** DL/XBD
**Pump Shaft Position:** Vertical
**Pump Casing Joint:** Vertical joint surface
**Impeller Type:** Closed
**Usage:** Industrial field
**Trademark:** M & W PUMP
**Packaging:** Export wooden box
**Specification:** DL/DLR
**Origin:** China
**HS Code:** 8413709990
**Performance Range**
- **Capacity (Q):** 20–200 GPM
- **Head (H):** 21–217 meters
**Model Explanation**
Take the example of 65DL16X5:
- **65:** Inlet diameter (mm)
- **DL:** Vertical multi-stage segmental centrifugal pump
- **DLR:** Vertical multi-stage segmental hot water centrifugal pump
- **16:** Single-stage head (m)
- **5:** Number of stages (total head = 16 × 5 = 80 m)
**Structure**
The DL/XBD series is vertically mounted, with the inlet located on the top and the outlet on the bottom, both in a horizontal direction. The number of stages can be adjusted based on required head. The outlet can rotate 90°, 180°, or 270° to accommodate different installation conditions. Axial forces are balanced by a balancing drum, ensuring smooth operation. The pump features a compact design, low noise, and space-saving benefits. It offers two types of shaft seals: packing
SEAL or mechanical seal.
**Materials**
- **Suction casing, stage casing, discharge casing, vanes, and impeller:** Cast iron
- **Shaft material:** High-quality carbon steel
- **Custom materials:** Available upon request—consult the manufacturer for special requirements.
[Image: Fire Pump/Jockey Pump (Vertical Multistage Centrifugal Pump)]
[Image: Fire Pump/Jockey Pump (Vertical Multistage Centrifugal Pump)]
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