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CENTRIFUGAL HVAC PUMPS

Centrifugal circulating pumps are the quiet hearts of any HVAC distribution systems.  Selecting the right typology of pump and understanding its operating characteristics over a range of flow and pressure differential of your circuits, is essential to achieve successful project.

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in-line
pump

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end suction
pump

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horizontal split case
pump

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multistage
pump

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submersible
pump

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Vertical
pump

CLOSED COUPLED
IN-LINE PUMP

Closed coupled in-line pump provide a simple and cost-effective solutions for small flow applications in heating or cooling systems.

Flow range up to:          250m³/h
Head range up to:         40m
Pump nozzle size:         DN50 – DN200
Impeller :                        Cast Iron / Bronze / SS
Volute:                             Cast Iron / Ductile Iron / SS
Operating temp.:           +120°C (Fluid)
Operating pressure:      up to 25 bars
Fluid:                                 Water / Glycol
Electrical Supply:           400V / 3PH / 50-60hz
Motor Efficiency:            IE3 / IE4 – Inverter Ready

SPLIT COUPLED
INLINE PUMP

Split coupled in-line pump are suited for medium and large flow application.  The interface section between the motor and the volute allows easy access to the mechanical seal without removing the motor. 

Flow range up to:          3000m³/h
Head range up to:         120m
Pump nozzle size:         DN50 – DN350
Impeller :                        Cast Iron / Bronze / SS
Volute:                             Cast Iron / Ductile Iron / SS
Operating temp.:           +120°C (Fluid)
Operating pressure:      up to 25 bars
Fluid:                                 Water / Glycol
Electrical Supply:           400V / 3PH / 50-60hz
Motor Efficiency:            IE3 / IE4 – Inverter Ready

CLOSED COUPLED
END SUCTION PUMP

Closed coupled end suction pump is a versatile circulating pump for all heating and cooling application. Its direct coupling between the rotating assembly and the motor makes it almost maintenance free.

Flow range up to:          250m³/h
Head range up to:         40m
Pump nozzle size:         DN50 – DN200
Impeller :                        Cast Iron / Bronze / SS
Volute:                             Cast Iron / Ductile Iron / SS
Operating temp.:           +120°C
Operating pressure:      up to 25 bars
Fluid:                                 Water / Glycol
Electrical Supply:           400V / 3PH / 50-60hz
Motor Efficiency:            IE3 / IE4 – Inverter Ready

SPLIT COUPLED
END SUCTION PUMP

Split coupled end suction pump are design for high flow application. The coupling system allows the user to easily  interchange motor and thus a robust solution for heavy duty applications.   

Flow range up to:          3000m³/h
Head range up to:         105m
Pump nozzle size:         DN50 – DN400
Impeller :                        Cast Iron / Bronze / SS
Volute:                             Cast Iron / Ductile Iron / SS
Operating temp.:           +130°C
Operating pressure:      up to 25 bars
Fluid:                                 Water / Glycol
Electrical Supply:           400V / 3PH / 50-60hz
Motor Efficiency:            IE3 / IE4 – Inverter Ready

HORIZONTAL SPLIT CASE
HORIZONTAL PUMP

Horizontal split case pumps (HSC) are suited for very high flow application. Its double suction arrangement makes it a very stable and reliable unit.  The internal access of the volute make it ideal for pump inspection and maintenance without decoupling the motor.

Flow range up to:          4000m³/h
Head range up to:         160m
Pump nozzle size:         DN50 – DN300
Impeller :                        Cast Iron / Bronze / SS
Volute:                             Cast Iron / Ductile Iron
Operating temp.:           +110°C
Operating pressure:      up to 25 bars
Fluid:                                 Water / Glycol
Electrical Supply:           400V / 3PH / 50-60hz
Motor Efficiency:            IE3 / IE4 – Inverter REady

VERTICAL SPLIT CASE
VERTICAL PUMP

The vertical split case pump is suited for high flow application.  Its vertical orientation makes this unit compact  and minimise plant room foot print.

Flow range up to:          250m³/h
Head range up to:         160m
Pump nozzle size:         DN50 – DN300
Impeller :                        Cast Iron / Bronze / SS
Volute:                             Cast Iron / Ductile Iron / SS
Operating temp.:           +110°C
Operating pressure:      up to 25 bars
Fluid:                                 Water / Glycol
Electrical Supply:           400V / 3PH / 50-60hz
Motor Efficiency:            IE3 / IE

HORIZONTAL
MULTISTAGE PUMP

The horizontal multistage pumps are designed for high pressure low flow application.  These pump are often used in large boiler feed system where pressure is critical or heavy duty industrial process.

Flow range up to:          800m³/h
Head range up to:         200m
Pump nozzle size:         DN50 – DN250
Impeller :                        Cast Iron / Bronze 
Volute:                             Cast Iron / Ductile Iron
Operating temp.:           +160°C
Operating pressure:      up to 40 bars
Fluid:                                 Water / Glycol
Electrical Supply:           400V / 3PH / 50-60hz
Motor Efficiency:            IE3 / IE4

VERTICAL
MULTISTAGE PUMP

Vertical multistage pump are design for cold water booster system. Its low flow, high pressure capability is ideal for open loop circuit to pressurize critical circuits. 

Flow range up to:          200m³/h
Head range up to:         100m
Pump nozzle size:         DN50 – DN150
Impeller :                        Polymer / SS
Volute:                             Cast Iron / SS
Operating temp.:           +120°C
Operating pressure:      up to 25 bars
Fluid:                                 Water / Glycol
Electrical Supply:           400V / 3PH / 50-60hz
Motor Efficiency:            IE3 / IE4

SEWAGE &
WASTE WATER PUMP

These submersible pumps are conceive to extract contaminated water and can accept a level of solid in the fluid pumped. 

Flow range up to:          600m³/h
Head range up to:         45m
Pump nozzle size:         DN50 – DN200
Impeller :                        Cast Iron / SS
Volute:                             Cast Iron / SS
Operating temp.:           +40°C
Operating pressure:      up to 16 bars
Fluid:                                 Waste water
Electrical Supply:           400V / 3PH / 50hz
Motor Efficiency:            IE2 / IE3 

DEWATERING
CLEAN WATER PUMP

These submersible pump are designed for dewatering or fluid transfer and suited to clean fluid.

Flow range up to:          150l
Head range up to:         14m
Pump nozzle size:         DN15 – DN50
Impeller :                        Stainless Steel
Volute:                             Cast Iron 
Operating temp.:           +30°C
Operating pressure:      up to 25 bars
Fluid:                                 Water
Electrical Supply:           400V – 220V /50hz
Motor Efficiency:            IE2/IE3

VERTICAL TURBINE
WASTE WATER

Vertical turbine are designed to transfer fluid from below surface tanks or reservoir.  

Flow range up to:          500m³/h
Head range up to:         40m
Pump nozzle size:         DN50 – DN200
Impeller :                        Cast Iron 
Volute:                             Cast Iron 
Operating temp.:           +50°C(Fluid)
Operating pressure:      up to 16 bars
Fluid:                                 Wastewater
Electrical Supply:           400V / 3PH / 50-60hz
Motor Efficiency:            IE3 

VERTICAL TURBINE
CLEAN WATER

Vertical turbine are designed to transfer fluid from below surface tanks or reservoir.  They can be used in closed or open circuits

Flow range up to:          500m³/h
Head range up to:         60m
Pump nozzle size:         DN50 – DN200
Impeller :                        Cast Iron 
Volute:                             Cast Iron 
Operating temp.:           +50°C (Fluid)
Operating pressure:      up to 16 bars
Fluid:                                 Water 
Electrical Supply:           400V / 3PH / 50-60hz
Motor Efficiency:            IE3 – Inverter Ready

Orcival Pump 

ZAC Bois de Molaise
Vendenesse-les-Charolles,
Bourgogne, France
tel: +33 7 67 82 29 54

orcival pump is a registered trade mark of orcival SAS 

copyright orcival@2018