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FLOMAX® 5 - Hydraulic | 1.5" Self Priming Pump

The FLOMAX® 5 Hydraulic Self-Priming Centrifugal Pump is engineered to deliver exceptional performance and reliability across various demanding applications. Designed to create a vacuum sufficient to lift liquids from heights up to 25 feet (7.6 m), this pump ensures efficient operation with its built-in flapper valve that maintains a full column of liquid in the suction line. Available in multiple displacement gerotor motors, the FLOMAX® 5 hydraulic pump supports hydraulic flows ranging from 4 GPM (15 L/min) to 11 GPM (42 L/min) and pressures from 700 PSI (48 bar) to 1950 PSI (134 bar).

Constructed with high-quality materials such as stainless steel drive sleeves and fasteners, renewable wear plates, and a semi-open dynamically balanced impeller, the FLOMAX® 5 is built to last. Optional features include double grease lubricated seals and stainless steel impellers for handling abrasive and corrosive services. This versatile pump is ideal for industrial, agricultural, and marine applications, including bilge pumps, auxiliary fire pumps, ballast transfer pumps, washdown pumps, fertilizer and pesticide pumps, applicators and sprayers, blending pumps, nurse tanks, bulk transfer pumps, and more.

Features and Benefits

  • Self-Priming Capability:
    Efficiently lifts liquids from heights up to 25 feet (7.6 m).
  • Durable Construction:
    Stainless steel drive sleeve and fasteners ensure longevity.
  • Versatile Applications:
    Suitable for industrial, agricultural, and marine uses.
  • High Performance:
    Supports hydraulic flows up to 11 GPM (42 LPM) and pressures up to 1950 PSI (134 bar).
  • Optional Features:
    Double grease lubricated seals and stainless steel impellers for abrasive and corrosive services.

Specifications

SUCTION AND DISCHARGE1.5" x 1.5" NPT ports
APPLICATIONAgricultural, Industrial, Marine
MATERIALS OF CONSTRUCTIONAluminum, Bronze, Cast iron
FLOWUp to 175 GPM (662 LPM)
HEAD Up to 230' feet (70 m)
IMPELLER5.0" semi-open
DRIVE OPTIONSHydraulic motor .22 cu. in. (3.6 cm³), Hydraulic motor .37 cu. in. (6.1 cm³), Hydraulic motor .45 cu. in. (7.4 cm³)
SEALSpecial seal material combinations available (consult factory), Standard carbon / ceramic / Viton
HYDRAULIC MOTORGerotor
PSI / BARUp to 100 / 6.9
HYDRAULIC SYSTEM PRESSUREUp to 2550 psi (176 BAR)
HYDRAULIC FLUID FLOWUp to 11 GPM (42 LPM)
MAX SOLID SIZE.56" diameter
FEATURESRenewable wear plate, Stainless steel drive sleeve, Stainless steel fasteners, Up to a 25' (7.6 m) suction lift