550 GPM 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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Used Oilwell 712-P Duplex Pump Complete Pump

Used Oilwell 712-P duplex bare shaft pump with the following features: • 12" stroke • 220 HP • Ductile iron fluid end • Plungers • suction connection • discharge connection • 5.05 (integral or pinion or eternal gear box) gear ratio • Weight • Dims

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  • 220 HP
  • 70 RPM
  • 580 GPM
  • 550 PSI
  • Ratio: 5.0500
  • Stock No: 53714
Positive Displacement Pump Reciprocating Pump
580
550
70
220
5.0500
1 of 10
Used Wheatley 2170 Duplex Pump Complete Pump

Used Wheatley 2170 duplex pump package with the following features: • 10" stroke • 132 HP • Ductile iron fluid end • Capable of 294 gpm @ 637 psi with 5" pistons or 560 gpm @ 325 psi with 7" pistons • 4 disc valves and 4 steel on steel wing guided valves • 6" suction connection • 4" discharge connection • Packaged complete with belt guard, sheave, and 75hp electric motor • Weight • Dims

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  • 132 HP
  • 90 RPM
  • 560 GPM
  • 637 PSI
  • Ratio: 5.6400
  • Stock No: 56525
Positive Displacement Pump Reciprocating Pump
560
637
90
132
5.6400
1 of 18
Used Wheatley 2170 Duplex Pump Complete Pump

Used Wheatley 2170 duplex pump package with the following features: • 10" stroke • 132 HP • Ductile iron fluid end • Capable of 294 gpm @ 637 psi with 5" pistons or 560 gpm @ 325 psi with 7" pistons • 4 disc valves and 4 steel on steel wing guided valves • 6" suction connection • 4" discharge connection • Packaged complete with belt guard, sheave, and 75hp electric motor • Weight • Dims

1 of 18
  • 132 HP
  • 90 RPM
  • 560 GPM
  • 637 PSI
  • Ratio: 5.6400
  • Stock No: 56527
Positive Displacement Pump Reciprocating Pump
560
637
90
132
5.6400
1 of 6
Used Wheatley 2712 Duplex Pump Fluid End Only

Used left and right side bare fluid end only, capable of 127gpm @ 1425psi @ 70rpm with 3 1/2" pistons or 546gpm @ 355psi @ 70rpm with 7" pistons

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  • 124 HP
  • 70 RPM
  • 546 GPM
  • 1425 PSI
  • Ratio: 5.6400
  • Stock No: 55680
Positive Displacement Pump Reciprocating Pump
546
1425
70
124
5.6400
1 of 6
Used Wheatley 2170 Duplex Pump

5-7x10 1/8" stroke duplex, 6" ASA 150# suction, 4" ASA 400# discharge, 5.64 gear ratio, 12,500# rod load, complete bare shaft pump with 6" Swabs & Liners, stem guided rubber-insert valves

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  • 132 HP
  • 90 RPM
  • 560 GPM
  • 637 PSI
  • Ratio: 5.6400
  • Stock No: 50972
Positive Displacement Pump Reciprocating Pump
560
637
90
132
5.6400
1 of 22
Used Gardner Denver FZ-FXZ Duplex Pump Fluid End Only

Used fluid end only, left side manifold, 7 1/4x12 with 8 valve caps Missing right side bare block, and discharge manifold. Capable of 263gpm @ 988psi @ 7rpm with 5" pistons

1 of 22
  • 185 HP
  • 70 RPM
  • 578 GPM
  • 988 PSI
  • Stock No: 55303
Positive Displacement Pump Reciprocating Pump
578
988
70
185