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- +86-553-8312888
The HNG Series is Hongjiu’s industrial-grade horizontal end suction pump range for HVAC, water supply, and industrial cooling. Flow 5–650 m³/h, head up to 54 m. Enlarged through-shaft design eliminates coupling misalignment — the leading cause of bearing failure in conventional end-suction pumps.
| Parameter | Value |
|---|---|
| Flow Rate | 5 – 650 m³/h |
| Head | Up to 54 m |
| Nominal Diameter | DN40 – DN300 |
| Working Pressure | 1.6 MPa (2.5 MPa optional) |
| Temperature Range | -25°C to +120°C |
| Pump Body | Ductile Iron QT400-18 (electrophoretic coating) |
| Bearings | NSK / SKF sealed, maintenance-free |
| Model | Motor | Control | Energy Saving | Best For |
|---|---|---|---|---|
| HNG Standard | IE3 Premium Efficiency | Fixed-speed (On/Off) | Baseline | Constant-flow HVAC, irrigation, fixed water supply |
| HNGE VFD | YE3 + Inovance VFD | PID constant pressure | 10–30% | District heating/cooling, variable-demand supply |
| HNGYE PM | IE5 PMSM + VFD | Sensorless vector control | 5–20% extra | Green buildings, 24/7 industrial, LEED/BREEAM |
HNG Standard → — Fixed-speed reliability with through-shaft connection for zero alignment maintenance.
HNGE VFD → — Integrated Inovance VFD with PID auto constant-pressure, standby mode at off-peak.
HNGYE Permanent Magnet → — IE5 PMSM; -H sub-type for closed-loop circulation, -Z sub-type for open-loop boosting.
HVAC primary/secondary loops · Building water supply boosting · Industrial process cooling · Fire protection systems · Agricultural and landscape irrigation
What makes the HNG through-shaft design better? The pump rotor connects directly to the motor shaft without an intermediate coupling, eliminating misalignment vibration and extending bearing life significantly.
What voltage options are available? 50 Hz: 220–240V single-phase, 380–415V three-phase. Export 60 Hz: 220V / 440V.
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