What is the main difference between DL and DLR models?

DL is for normal-temperature clean water (<= 80C), while DLR is for hot water systems (<= 120C).

What's the maximum pressure capacity?

The pump can withstand up to 2.5 MPa working pressure.

Yes, it's specifically designed for pressurized water supply and circulation in tall buildings.

Yes, with stainless-steel wetted parts, it can handle mildly corrosive fluids.

Lubricate bearings every 500 hours and inspect seals regularly.

Yes, OEM branding, packaging, and voltage customization are available for export clients.

Our DL/DLR pumps are widely exported to Southeast Asia, the Middle East, and South America for municipal, industrial, and agricultural systems.

DL/DLR Vertical Multistage Centrifugal Pump | Low-speed boosting for stable constant-pressure duty

Constant-pressure boosting: High-rise supply, fire boosting, sprinkler/water-curtain systems.
Vertical multistage design: Compact footprint with stable high-head build-up.
Low-speed operation: Smooth running with controlled vibration for continuous duty.
Service-ready sealing: Mechanical seal arrangement with straightforward maintenance access.

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