Triplex Mud Pumps API 674/7K- TPZ Series

Triplex Mud Pumps Dynapro Pumps TPZ Series are designed in compliance with API 674 & API-7K Standards, Latest Edition.

Power End Frames

  • Nodular iron one piece construction for added strength and durability
  • Double extended Jackshaft design allows for left-hand or right-hand drive and easy conversion
  • Double-row-spherical roller bearings carry eccentric.


  • Nodular iron material of construction for eccentric
  • Designed for use with double-row-spherical roller bearings to carry higher crankshaft/rod loads.


  • Nodular iron material of construction
  • Polished stainless steel crosshead stubs for long seal life
  • Double sealed crosshead stub seals to prevent oil loss and oil contamination
  • Replaceable bronze crosshead slides.

Connecting Rods

  • Nodular iron material of construction
  • Dual roller bearing design.


  • Full splash with oil pump to feed lubrication to all moving parts, keeping the oil constantly circulated and cooled
  • Oil sight gauge allows quick convenient observation of power end oil level when running or idle.

Fluid Cylinders

  • Heat-treated alloy steel material; interchangeable
  • Three-rib API-7 urethane insert valves and seats
  • Replaceable-type element oil filter and oil pressure gauge
  • Threaded valve covers
  • Plated piston rods
  • Complete piston washing and lubricating system.

Performance Envelope-
Design Standard – API 674 & API-7K, Latest Edition.
Design Pressure Rating – Up to 5000 psig.
Temperature Rating – 90 °C.
Flowrate – Up to 1200 USgpm.