AF PUMP

Robust design and wide range of coverage

The Wilfley AF pump model is an end-suction, single stage and Wilfley Waterless Seal Technology. It handles solutions that are highly corrosive and abrasive. Many non-metallic materials are available including W-35 which is a modified vinyl ester and Tefzel.

Main Benefits

  • Waterless Sealing Technology
  • Leakless seal operation
  • Operational abuse tolerant
  • Product dilution is eliminated
  • Wear resistance material of construction
  • Heavy-duty construction

Main Applications

  • Clean and contaminated liquids
  • Abrasive and corrosive applications
  • Crystalizing solutions

 

Key Characteristics

Capacities:
Flows up to 4,500 gpm  (1,022 m3/hr)

Heads:
Head up to 450 ft  (137 m)

Max Working Pressure:
350 Psig (24 Bar)

Max Temperature:
400 °F (205°C)

Discharge Sizes:
From 1″ (25 mm) to 8″ (203 mm)

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The replaceable case wear ring

protects the case from excessive wear and maintains efficiency

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The extra case wall thickness and unique design

extends wear life

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The integraded expeller

provides a positive hydraulic sealing arrangement eliminating packing, water glands, and mechanical seals

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Upgrade

available to the latest Wilfley Waterless Seal Technology (Solidlock shown)

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Shaft upgrade available

(One piece design shown)

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Extra large bearings

provide a long durable life

Waterless Sealing: Wilfley’s Technological Advantage

The proven engineering based on Wilfley’s dynamic waterless sealing is trusted by many companies all over the world.

Materials Options

  • Duplex Stainless Steels
  • Austenitic Stainless Steels
  • Nickel Alloys
  • High-Chrome Hard Irons
  • No metallic W35

Seal Options

  • The Wilfley Waterless Seal Technology
  • Solidlock
  • Check Valve

Performance Range Capacities

See what we have in our actual webpage

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AF

1.5x1-11

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AF

2 x1.5-12

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AF

2.5x2-12

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AF

3x2.5-10

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AF

4x3-14

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AF

5x4-14

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AF

6x5-14

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AF

8x6-15

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AF

10x8-15

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AF

12x10-18

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AF

18x14-21

Precision Engineering, Proven Reliability

The AF pump on the right handles concentrated sulfuric acid in a chemical plant since  mid 90s. 

Contact Wilfley for detailed specs, case studies, pricing and customized solutions along with answers to all your questions. We are here to help and want you to have the best options for your unique situation and operating budget.