福斯Flowserve APKD双吸泵

Designed for demanding applications where NPSHa is limited, the Flowserve APKD double-case vertical pump offers extraordinary hydraulic performance in a competitively priced package. Its compact doublesuction impeller design reduces NPSHr and helps to keep installation and maintenance costs low.
Furthermore, four available impeller hydraulics – steep,standard, flat and super-flat – enable the APKD to be optimally sized to meet individual system requirements while reducing energy consumption. The result is an economically attractive and highly versatile pump that provides stable, reliable operation over a wide range of flows or for multiple pump systems.

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FEATURES AND BENEFITS

Double-Suction First-Stage Impeller reduces NPSHr and diminishes the possibility of cavitation over a wide operating range. It also meets Hydraulic Institute standards for suctionspecific speed.
Heavy-Walled, Twin-Volute Design minimizes radial loads,thereby extending bearing life.
Heavy-Duty Discharge Head maintains motor alignment and provides liquid end and column support.
Keyed Intermediate-Stage Impellers are positively secured with lock collars to eliminate axial movement and simplify maintenance.
Versatile Seal Chamber accommodates numerous seal types to satisfy customer preference as well as safety and environmental requirements.

TYPICAL APPLICATION
• Condensate
• Heater drain
• Pipeline booster Stable Hydraulic Performance
• VTP vertical turbine, wet pit pump
• QLC and QLQC double-case, double-suction vertical pumps
• VPC general service and ISO 13709/API 610 (VS6) double-case turbine pumps
• Nuclear core and containment cooling
• Desalination

SIZE RANGE
•Sizes from 150 mm (6 in) to 1375 mm (55 in)

OPERATING PARAMETERS
• Flows to 4600 m3/h (20 200 gpm)
• Heads to 500 m (1640 ft)
• Pressures to 50 bar (725 psi)
• Temperatures from -18°C (-0°F) to 200°C (400°F)
• Speeds to 1800 rpm

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