ISH Pumps Olomouc A.S.
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BETA - Model O -Horizontal Centrifugal Volute Pumps
Pure or sightly polluted, active and neutral chemeal Iquds and combustibles, mixtures of high content of sofcds. Chemical petrochemical pharmaceutical, food-pocessing and processing industries, povuer engineering both conventional & nuclear, vuater supply systems design: Standard for general use, explosive conditions for pumping incombustibtes in dangerous explosive conditions, for combustibles - for pumping comioustibte Iquds, nuclear povuer engineering for both secondary and primary circuits
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WORKING CONDITIONS
- medium temperature rar>ge from -40`C to + 180"C (foroite and hydrocarbons upto2cO"C)
- working pressure of 16 bais and 25 bars
- medium densrty range from £00 kg rrr^ to 1^00 kg rrr 3
- kinematic vbcosHv up to 75rrrn2.s"` (higher must be consulted with the manufacturer)
- pHO-14
- contenls of sold particles 5- 15%of weight
- partclesize 0,5 mm up to 5 mm
- rated for use in 50 and £0 Hz mains
CONSTRUCTION
- dimensions and parameters acc. to ÈSN EN 22858/ISO 2858/DIN 24 256 up to size 34 (200-150-NHC-400)
- full compliance with ÈSN ISO 5199
- 43 sizes of standardized, hydrodynamic, medium-pressure pumps
- horizontal, centrifugal, single-stage, volute-type construction with an axial intake and a radial outlet (upwards flow)
- open impeller with diffuser guide vanes set on a pump shaft
- “dry shaft” no contact with pumped medium
- metal-to-metal sealing of hydraulic area
- bearing housing connected to hydraulic unit by a lantern bracket, includes jacket for cooling or heating the area around the packing and behind the impeller
- close clearance between volute and impeller guide vanes by means of adjustable rear bearing housing
- 2 assembly arrangements: heavy (NHB) and heavy duty (NHC)
- rated also for 60 Hz mains
- dimensions of packing area acc. to ISO 3069
- flanges PN16 and PN 25 acc. to CSN EN 1092-1 and 2/ISO 7005-1/-2
- other options consult with the manufacturer
