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Alfa Laval FM Centrifugal Pump

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The Low Capacity Pump

FM-OS Centrifugal Pump

Application
FM-OSCentrifugal pump FM-OS is designed for use in food, pharmaceutical, chemical and other industries where acid-resistant steel is resistant to the products to be pumped.

Standard design
All product wetted parts, ie. pump casing, impeller and pump shaft, are made of acid-resistant steel 1.4404 (316L). Screws, yoke and nuts are made of stainless steel 1.4301 (304). Seals are made of Nitrile (NBR).

Shaft seal
Mechanical single or flushed seal with stationary seal ring of acid-resistant steel AISI 329 with sealing surface of silicon carbid and with rotating seal ring of carbon.

Technical data
Max. inlet pressure: . . . . . . . . . . . . .400kPa (4 bar).
Max. outlet pressure: . . . . . . . . . . . .700kPa (7 bar).
Temperature range: . . . . . . . . . . . . .-10C to +140C (EPDM).
Max. water pressure, (flushed seal):  .Normally atmospheric
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .(max. 1 bar).
Water consumption, (flushed seal): . . 0.25 - 0.5 l/min.
Impeller diameter, FM-OS/95: . . . . . 95 mm.
Impeller diameter, FM-OS/115: . . . . 115 mm.
Weight: . . . . . . . . . . . . . . . . . . . . . . .20 kg.

Motor
Standard foot-flanged motor acc. to IEC metric standard, 2 pol = 3000/3600 rpm. at 50/60 Hz, IP55 (with drain holes with labyrinth plug), insulation class F.

Voltage and frequency
3~,50 Hz,220-240V /380-420VY
3~,60 Hz.250-280V /440-480VY

Motor size
50 Hz: 1.1 kW.
60 Hz: 1.3 kW.

Volumetric flow
 FM-OS Vol Flow
 
Dimensions (mm), Sanitary version
FM-OS Dims TableFM-OS Dims
 
Connections (mm)
Inlet and outlet: 51 mm (2")
 
 
Sanitary version
FM-OS Ends
 
NOTE!
For further details, see also instruction IM 70344.

Inlet and outlet: 51 mm (2")

Options
A. Impeller with reduced diameter.
B. Flushed shaft seal.
C. Other voltage, frequency or flameproof motor.
D. Inlet and outlet with flanges.
E. Counter flanges, collars and seal rings.
F. Product wetted seals of EPDM, Fluorinated Rubber (FPM) or Teflon (PTFE).
G. Rotating seal ring of Silicon Carbide.

Ordering
Please state the following when ordering:
- Pump type.
- Voltage and frequency.
- Flow rate, pressure and temperature.
- Density and viscosity of product.
- Options.

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