ORFA Industrial

KSB CALIO 50-40 Circulation Pump with Frequency Converter

$863.78

The KSB CALIO 50-40 is a high-efficiency circulation pump with an integrated frequency converter for automatic speed control. It delivers up to 9 m³/h flow and 4.5 m head with a 145 W IE3 motor. Suitable for heating, cooling, and industrial water circulation.

Availability: In stock

SKU: 010680 Category: Brand:
HVAC PUMPS / INDUSTRIAL CIRCULATION

KSB CALIO 50-40 Circulation Pump with Frequency Converter

Optimize operating costs with automatic speed control and premium energy efficiency.

The KSB CALIO 50-40 Circulation Pump provides an energy-efficient circulation solution that keeps operating costs under control. In addition, its automatic speed control adapts seamlessly to modern heating and cooling circuits. Moreover, a differential pressure sensor responds instantly to system demand, optimizing energy use and extending pump life.

An integrated frequency converter dynamically adjusts to changes in flow and pressure. With a 145 W motor and maximum flow of 9 m³/h (150 l/min), it serves large piping networks. Furthermore, it operates safely at up to 10 bar working pressure and 4.5 m head. The tempered cast iron body and AISI 316 stainless steel shaft provide superior corrosion resistance. It handles fluid temperatures from -10°C to +110°C in continuous S1 duty.

KSB CALIO 50-40 Circulation Pump — Technical Specifications

Product Type
KSB CALIO 50-40 Frequency Converter Pump
Motor Power
145 W / 0.2 HP
Operating Voltage
230 V / Single-phase / 50 Hz
Maximum Head
4.5 m (mH2O)
Maximum Flow Rate
9 m³/h (150 l/min)
Motor Shaft
AISI 316 Stainless Steel
Fluid Temperature Range
-10°C to +110°C
Duty Rating
S1 (Continuous)
Motor Efficiency
IE3 (Premium Efficiency)
Maximum Working Pressure
10 bar

This pump is widely chosen for radiator circuits in central heating systems. It is also ideal for water circulation in air handling units and cooling towers. In addition, hospitals, hotels, and industrial facilities rely on it for hot water circulation. Consequently, geothermal energy and heat recovery projects also use it successfully.

Key Advantages

  • Frequency converter enables up to 40% energy savings
  • Automatic speed adjustment based on system pressure ensures quiet operation
  • IE3 premium efficiency and carbon-ceramic mechanical seal for long-lasting performance

Applications

  • Central heating and radiator systems in modern buildings
  • Water circulation in air conditioning and cooling circuits
  • Hot water circulation in hospitals, hotels, and industrial facilities

As a result, the KSB CALIO 50-40 Circulation Pump is the ideal choice for professionals seeking energy efficiency and low operating costs. ORFA Industrial has supplied technical support and spare parts as an authorized distributor since 1985. Our expert team is available for installation and commissioning assistance. ORFA Industrial supplies worldwide and provides technical support.

ORFA INDUSTRIAL PRODUCTS INDUSTRY AND TRADE INC.

Your Reliable Partner in Industrial Flow Technologies

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