High-Temperature Hot Water Centrifugal Circulation Pump
The PUN Series Hot Water Centrifugal Pump is a heavy-duty, high-efficiency inline fluid circulation solution specially engineered for elevated water temperature applications. Built with a heat-resistant cast iron body, anti-corrosion treated impeller, and robust electric motor, the PUN Series delivers reliable water pressure and smooth, continuous circulation in residential, commercial, and light industrial hydronic heating systems.Key FeaturesHigh-Temperature Resistance: Engineered to handle co
The PUN Series Hot Water Centrifugal Pump is a heavy-duty, high-efficiency inline fluid circulation solution specially engineered for elevated water temperature applications. Built with a heat-resistant cast iron body, anti-corrosion treated impeller, and robust electric motor, the PUN Series delivers reliable water pressure and smooth, continuous circulation in residential, commercial, and light industrial hydronic heating systems.
Key Features
- High-Temperature Resistance: Engineered to handle continuous hot water circulation up to $+90^\circ\text{C} - +110^\circ\text{C}$ without thermal degradation.
- High-Efficiency Centrifugal Hydraulics: Optimized impeller and volute casing design yield high flow rates and stable pressure head with low energy consumption.
- Durable Anti-Corrosion Build: Electrophoretic-coated cast iron pump body and heat-treated components prevent rust, scaling, and internal erosion.
- Thermal Overload Protection: Built-in motor thermal protector automatically cuts power during overheating or dry-running conditions to prevent motor burnout.
- Low Noise & Vibration: Precision balanced rotor assembly and heavy-duty sealed bearings deliver quiet, vibration-free operation in mechanical rooms.
Technical Specifications
- Series Model: PUN Series
- Pump Type: Hot Water Centrifugal Pump
- Power Source: Single-Phase 220V–240V / 110V (50Hz / 60Hz)
- Fluid Temperature Range: $+0^\circ\text{C}$ to $+90^\circ\text{C}$ (Max $+110^\circ\text{C}$)
- Max Working Pressure: 6 bar – 10 bar (0.6 – 1.0 MPa)
- Pump Housing Material: Cast Iron (Electrophoretic Coating)
- Impeller Material: Brass / Stainless Steel / Engineering Polymer
- Protection Rating: IP44 / IP54, Insulation Class F/H
Applications
- Domestic hot water recirculation and pressure boosting (DHW)
- Solar thermal collector circulation loops
- Air-to-water heat pump and boiler primary/secondary loops
- Commercial radiant heating and HVAC hydronic systems
- Industrial hot water transfer and circulation networks
