1300 PSI 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 National G-700 Duplex Pump Complete Pump

Used National G-700 duplex pump with the following features: • 14" stroke • 700 HP • Cast iron fluid end • Capable of 285 gpm @ 3550 psi with 5" pistons or 805 gpm @ 1265 psi with 8" pistons • suction connection • discharge connection • 5.38 (integral or pinion or eternal gear box) gear ratio • Surge chamber on skid, 10' x23' enclosure. • Weight • Dims (23'L x 10'W x 9'6” H)

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  • 700 HP
  • 70 RPM
  • 805 GPM
  • 1265 PSI
  • Ratio: 5.3800
  • Stock No: 54414
Positive Displacement Pump Reciprocating Pump
805
1265
70
700
5.3800
1 of 26
Used Gardner Denver FQ-FXQ Duplex Pump Complete Pump

16" stroke duplex mud pump, Mattco fluid end, 12 groove 57" sheave (clamp type)

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  • 320 HP
  • 65 RPM
  • 821 GPM
  • 1319 PSI
  • Ratio: 4.7700
  • Stock No: 52796
Positive Displacement Pump Reciprocating Pump
821
1319
65
320
4.7700
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