BETA - Horizontal Centrifugal Volute Pumps

Applications

Pure or slightly polluted, active and neutral chemical liquids and combustibles chemical petrochemical, pharmaceutical, food-processing and processing industries, power engineering both conventional & nuclear, water supply systems design:

• standard for general use
• explosive conditions for pumping incombustibles in dangerous explosive conditions
• for combustibles- for pumping combustible liquids in zone 1 and 2
• nuclear power engineering for both secondary and primary circuits

Construction

• dimensions and parameters ace. to EN 22858/ISO 2858/DIN 24 256 up to size 34 (200-150-NHJ-400)
• full compliance with 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)
• single seal ring design
• closed impeller with diffuser guide vanes set on a pump shaft
• "dry shaft" no contact with pumped medium
• metal-to-metal sealing of hydraulic section
• 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
• 3 assembly arrangements: light (NHL), heavy (NHH) and heavy duty (NHJ)
• rated for 60 Hz mains
• I dimensions of packing area ace. to ISO 3069
• flanges PN16 ace. to EN 1092-1 and 2/ISO 7005-1/-2
• other options consult with the manufacturer