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Flowserve-Worthington-Single Case Pumps - Axially Split - LR

Single Case Pumps - Axially Split - LR

BRAND: Worthington

The LR family of pumps provides a broad range of hydraulic coverage and low total cost of ownership. With thousands of units installed over the years, these pumps provide reliable and efficient performance in applications ranging from water supply to circulation duties to petroleum distribution.


  • General Industry
  • Water
  • Oil & Gas
  • Power

industry sectors

  • Pulp & Paper
  • Mining
  • Steel & Primary Metals
  • Food & Beverage
  • Other Industries
  • Water
  • Waste Water
  • Agriculture
  • Water Management
  • Midstream Transportation
  • Downstream Processing
  • Conventional Steam


Operating Parameters
  • Flows to 2000 m3/h (8800 gpm)
  • Heads to 170 m (560 ft)
  • Pressures to 21 bar (300 psi)
  • Temperatures from -30°C (-20°F) to 150°C (300°F)
Design Range

Size Range: Sizes from 50 mm (2 in) to 250 mm (10 in)

Features & Benefits
  • Split case design with lifting lugs simplifies maintenance by allowing access to the rotating element without disturbing the piping or driver
  • Low NPSH enclosed impellers provide high efficiency and optimum performance over a wide flow range
  • Most LR and LRV models feature double-suction impellers
  • The LLR incorporates back-to-back, single-suction impellers
  • Radial and thrust bearings are available with oil or grease lubrication
  • Designs include single row, deep groove ball bearings or duplex thrust ball bearings
  • Typical L10 bearing life is 100 000 hours
  • Heat-treated steel shaft limits deflection to 0.05 mm (0.002 in), prolonging seal life
  • Shaft sleeves are secured by external nuts and include O-rings to ensure reliable internal sealing
  • Mounting feet transmit pipe strain loads to the base and foundation, extending bearing life
  • Dowel bushing maintains concentricity between the bearing bracket and the casing
  • Multiple ease of maintenance features such as replaceable seal chamber

Single stage horizontal suction and discharge nozzles

Two-stage horizontal suction and discharge nozzles

Vertical mounted, side suction


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