20 HP Duplex Pumps For Sale

We have a large stock of Double-Acting Duplex Pumps that are used for various applications such as fluid (including heavy oil) transfers in pipelines, mud pumping, cement pumping, water well drilling etc. in the Oil & Gas, Agriculture, Mining, Municipal & Manufacturing sectors. Duplex Pumps have two cylinders and are capable of handling different pressures, volumes and flow rates. We supply new, used and refurbished API 674 Double Acting Duplex Pumps of all leading manufacturers including Gaso, Wheatley, Gardner Denver, National & Oilwell.

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1 of 27
Used WABCO (same as Failing) L-100 CA Duplex Pump Complete Pump

Used WABCO L-100 CA slush pump with the following features: • 5" stroke • 22 HP • Ductile iron fluid end • 4.5" plungers • suction connection • discharge connection • Weight • Dims

1 of 27
  • 22 HP
  • 400 RPM
  • 120 GPM
  • 800 PSI
  • Stock No: 55208
Positive Displacement Pump Reciprocating Pump
120
800
22
400
1 of 5
Used Gardner Denver FF-FXF Duplex Pump Complete Pump

Used 2 1/2 - 4 1/2 x 5 complete pump on skid with 20 HP Siemens electric motor, capable of 43gpm @ 639psi @ 110rpm with 2 1/2" pistons or 149gpm @ 197psi @ 110rpm with 4 1/2" pistons

1 of 5
  • 19 HP
  • 110 RPM
  • 149 GPM
  • 639 PSI
  • Ratio: 4.8800
  • Stock No: 54668
Positive Displacement Pump Reciprocating Pump
149
639
19
110
4.8800
1 of 5
Used Fairbanks Morse 6182 Duplex Pump

Used Fairbanks Morse 6182 bare duplex pump with the following features: • 6" stroke • 20 HP • Ductile iron fluid end • Capable of 33 gpm @ 1000 psi @ 75 rpm with 2 1/2" pistons or 119 gpm @ 380 psi @ 75 rpm with 4 1/2" pistons • with sheave • with piping • suction connection • discharge connection • Last used in crude oil service • Weight • Dims

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  • 20 HP
  • 75 RPM
  • 119 GPM
  • 1000 PSI
  • Stock No: 54448
Positive Displacement Pump Reciprocating Pump
119
1000
20
75
1 of 9
Used Gardner Denver FF-FXF Duplex Pump Parts or Partial Pump for Parts

Used 2 1/2 - 4 x 5 duplex, bare shaft parts pump, capable of 43gpm @ 639psi @ 110rpm with 2 1/2" pistons or 115gpm @ 250psi @ 110rpm with 4" pistons

1 of 9
  • 19 HP
  • 110 RPM
  • 115 GPM
  • 639 PSI
  • Stock No: 55021
Positive Displacement Pump Reciprocating Pump
115
639
19
110
1 of 3
Used Gardner Denver FF-FXF Duplex Pump Parts or Partial Pump for Parts

Used duplex pump for parts, capable of 149gpm @ 197psi with 4 1/2" pistons or 43gpm @ 639psi with 2 1/2" pistons

1 of 3
  • 19 HP
  • 110 RPM
  • 149 GPM
  • 197 PSI
  • Ratio: 4.8800
  • Stock No: 53907
Positive Displacement Pump Reciprocating Pump
149
197
19
110
4.8800
1 of 1
Used Worthington KDS Duplex Pump Complete Pump

Used duplex pump, 4" stroke duplex, no tag, with electric motor, skid, sheave

1 of 1
  • 22 HP
  • 78 GPM
  • 450 PSI
  • Stock No: 53321
Positive Displacement Pump Reciprocating Pump
78
450
22