A R Wilfley India Pvt. Ltd.


Reliability and Waterless Sealing for Tough Chemical Applications

The Wilfley A7 pump meets and exceeds ANSI B73.1 standard.  Its robust design,  reliable seal, and metallurgy offer an unmatchable solution for demanding industrial and mining applications.

Main Benefits

  • Waterless Sealing Technology
  • Leakless seal operation
  • Operational abuse tolerant
  • Product dilution eliminated
  • Wear resistance material of construction
  • Heavy-Duty construction
  • Reduced maintenance cost and maximized production time through increased mean time between maintenance (MTBM)
  • Robust shaft design with lower L3/D4 stiffness ratios and lower deflections
  • Longer L10 bearing life

Main Applications

  • Clean or contaminated liquids
  • Abrasive and corrosive applications
  • Crystalizing solutions
  • Uploading and downloading
  • Highly reliable equipment applications
  • Viscous liquids

Key Characteristics

  • Capacities:
    Flows up to 1,613 m3/h
  • Heads:
    Heads up to 224 m
  • Max Working Pressure: 24 Bar
  • Max Temperature: 205°C
  • Discharge Sizes:
    From 1″ (25 mm) to 8″ (203 mm)

Waterless Sealing: Wilfley’s Technological Advantage

The Wilfley Waterless Seal Technology is a proven design combining a dynamic and static seal, that excels in demanding applications and is trusted by companies all over the world.

Materials Options

  • Duplex Stainless Steels
  • Austenitic Stainless Steels
  • Nickel Alloys
  • High-Chrome Hard Irons

Seal Options

  • Wilfley Waterless Seal Technology
  • Expeller with Packing
  • Mechanical Seal
  • Solid lock
  • Drylock II and III

A7 Chemical Pump Performance Range Capacities

Precision Engineering, Proven Reliability

The A7 pumps on the right are located in the Dominican Republic in an alcohol manufacturing plant.  The Wilfley Waterless Seal Technology eliminates product dilution which saves money and increases alcohol production in this facility.


We provide customized solutions for all your industrial requirements. Talk to us.