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XV-F 5 – vertical multistage pump DN 32

Flow rate up to 8 m³/h, head 22–246 m, motor 1,1–5,5 kW. AISI 304 stainless steel, cartridge seal. 230 V and 400 V versions.

Variants

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Product description

XV-F 5 is the smallest model in the SACI pumps XV-F range – a vertical multistage centrifugal pump with a DN 32 in-line flange and a flow rate of up to 8 m³/h (133 l/min). Depending on the number of stages selected (8 to 36), a single unit delivers a head of 22 m to 246 m.

The 5-8 and 5-10 variants are the only models in the XV-F range also available in a 230 V single-phase version (M/T) with an integrated thermal protector and starting capacitor – making them suitable for sites without a three-phase power supply.

The hydraulic section (impellers, diffusers, shaft and casing) is made entirely of AISI 304 stainless steel. The body is made of GG-20 cast iron with anti-corrosion treatment. The cartridge mechanical seal, made of SiC/EPDM, can be replaced without dismantling the hydraulic section – servicing takes minutes, not hours.

Main technical specifications

ParameterValue
Model rangeXV-F (SACI pumps)
Configurations (variants)5-8, 5-10, 5-14, 5-16, 5-20, 5-29, 5-36
Suction / discharge DNDN 32 / DN 32
FlangeDIN, PN 25
Max. operating pressure25 bar
Flow rate range Q0–8 m³/h (0–133 l/min)
Head range H22–246 m (depending on the number of stages)
Motor output P21,1–5,5 kW (1,5–7,5 HP)
Power supply230 V 1-phase (M/T) for 5-8 and 5-10 · 400 V 3-phase (T) for all variants
Speed2 850 rpm
Pumped liquid temperature-15 °C to +120 °C
Max. ambient temperature45 °C
Motor protection ratingIP-55
Insulation classF (155 °C)
Efficiency classIE3
Duty typeS1 (continuous)
Hydraulic section materialAISI 304 stainless steel
Body materialGG-20 cast iron, anti-corrosion treatment
Mechanical sealCartridge, SiC/EPDM
SealsEPDM O-rings (standard) / Teflon (optional)
Lower guide bushBronze
Suitable for drinking waterYes (AISI 304, in accordance with ČSN EN 16421)
Thermal protection (M/T versions)Integrated thermostat + capacitor
Weight31–88,2 kg (depending on variant)

Variants and dimensions

VariantStagesMotor kWH1 mmH2 mmWeight kg
XV-F 5-8 M/T81,144767831,0
XV-F 5-10 M/T101,551779238,9
XV-F 5-14 T142,262590043,2
XV-F 5-16 T162,267995444,3
XV-F 5-20 T203,07911 11153,4
XV-F 5-29 T294,01 0341 36965,5
XV-F 5-36 T365,51 2531 61388,2

Q-H operating curve

VariantQ=012345678
5-8 M/T525148464339342822
5-10 M/T656462605651464032
5-14 T939290878275675847
5-16 T108107103989286776754
5-20 T135133131126118110988568
5-29 T197196192185176164148128107
5-36 T246242236227216190182158132

(Q in m³/h, H in metres of water column)

The standard maximum operating head and maximum operating flow rate are highlighted on the chart with a solid line.

Applications

  • Pressure boosting systems in smaller apartment buildings, guesthouses and commercial premises.
  • Fixed fire suppression systems (FFS) and sprinklers for small and medium-sized buildings.
  • Boiler feed – for hot-water and steam boilers, with media temperatures up to 120 °C.
  • Industrial cooling circuits with closed-loop circulation.
  • Irrigation systems – the 230 V version (M/T) is suitable even where no three-phase connection is available.
  • Domestic water supply and pressure boosting in buildings with low water supply pressure.

Main benefits

  • Cartridge mechanical seal – replaced in 15 minutes without dismantling the hydraulics.
  • Complete hydraulic assembly made of AISI 304 stainless steel – suitable for drinking water and mildly aggressive media, with a long service life.
  • 230 V and 400 V versions – variants 5-8 and 5-10 are also available as single-phase models with integrated thermal protection.
  • IE3 motor compatible with a frequency converter – energy savings in variable-speed operation.
  • In-line DN 32 flanges – easy installation in piping without a special frame.
  • Compact dimensions – the smallest variant (5-8) is just 678 mm high and weighs 31 kg.

Optional accessories

  • O-rings: POWERseal EPDM, Teflon-coated FEP
  • DN 32 PN 25 counterflanges – not included in the delivery; we recommend ordering them with a flat gasket.
  • Replacement mechanical seal: SiC/EPDM cartridge
  • Frequency converter 1.1–5.5 kW, depending on the variant

Is XV-F 5 suitable for drinking water?

Yes. The hydraulic section, made of AISI 304 stainless steel, meets the requirements for contact with drinking water under ČSN EN 16421.

What does the number after the hyphen mean – for example, “5-14”?

The number 14 is the number of hydraulic stages. More stages mean a higher head at the same flow rate. The XV-F 5-8 provides a head of 52 m, while the XV-F 5-36 provides up to 246 m. When choosing a variant, select the one with the fewest stages that meets your duty point – it will be more energy-efficient.

Which XV-F 5 variants are available in a single-phase 230 V version?

Only the XV-F 5-8 M/T (1.1 kW) and XV-F 5-10 M/T (1.5 kW). Both have integrated thermal protection and a starting capacitor. The other variants (5-14 and higher) are available only in a three-phase 400 V version.

Do I need counterflanges for the pump?

Yes, DN 32 counterflanges are not included in the standard delivery. We recommend a PN 25 set. We will be happy to add one to your enquiry.

Can the XV-F 5 be controlled using a frequency converter?

Yes. The IE3 motor, with IP-55 protection and epoxy-impregnated windings, is designed for operation with a frequency converter. Choose a converter to match the power rating of the selected variant (1.1–5.5 kW).

What is the warranty?

XV-F pumps come with a 24-month warranty. Replacement cartridge seals and O-rings are in stock in the Czech Republic – if needed, you can replace them yourself in just a few minutes.

Features

Feature Value Unit
DNA = input / suction
32 DN
DNM = output / displacement
32 DN
Flow rate Q
m³/h
Displacement range H
22 to 246 m
Temperature of the pumped medium
-15 to 120 °C

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