Bull Dog Pistons

Bull Dog Pistons

Bull Dog Pistons


Over 60 years ago, Southwest Oilfield Products was founded on mud pump piston innovation and today we continue to carry this legacy forward with the introduction of our Bulldog piston. This rugged piston is engineered for high temperature and demanding environments and will improve pump availability while reducing HSE risks.

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Product Specification:


  • Rugged, Forged Steel Hub
  • Standard 1.625” bore but includes reduction bushing for 1.5” rods
  • High Temperature / High Strength, Custom Blended Urethane
  • Generous Lead-in Chamfer eases Installation
  • High-Temperature O-ring

Key Benefits

  • Designed for High Temperature & High Pressure Service (300°F / 7500 PSI)
  • Suitable for Oil & Synthetic Muds
  • Excellent Chemical and Abrasion Resistance in the Most Demanding Well Conditions
  • Enhanced Piston Running Life with a Proprietary Blend of Lubricating Agents
  • Reduced Operating Costs in Challenging Operating Environments

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