Triangle Pump Components’ metal plunger DYNAROD™ extension rods (pony rods) are made of the highest quality stainless steel on the market today and can be coated to improve performance, durability and life expectancy.

DYNAROD™ extension rod connections are cut to match either threaded or clamped plungers. TPCI’s standard extension rod is available in 303 Stainless Steel coated with Colmonoy. Other pony rods, such as 304 Stainless Steel, 316 Stainless Steel and 4140 Steel coated in Colmonoy, Tungsten Carbide, Wallex, or exotic metals, are also available upon request.

Ceramic Plungers

Triangle Pump Components’ ceramic pump plungers are made of the highest quality ceramics on the market today while manufacturing and assembly techniques have virtually eliminated pull-apart problems.

Metal Plungers

Triangle Pump Components’ metal pump plungers are made of the highest quality carbon and stainless steel on the market today and are coated to improve plunger performance, durability and life expectancy.

Plunger Packing

Plunger Installation

Despite our superior manufacturing and assembly processes at Triangle Pump Components, proper plunger installation is critical to maintaining the system’s overall operating efficiency.

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Industry Certifications

Our extension rods (pony rods) meet or exceed the highest industry standards including:

  • ASTM – American Society for Testing & Materials
  • AWS – American Welding Society
  • AWWA – American Water Works Association
  • ISO 9001:2015 Quality Management System (QMS) Certified
  • Mil-Spec – Military Specifications
  • NACE – National Association of Corrosion Engineers

Industry Focus

  • Chemical
  • Energy
  • Marine
  • Mining
  • Nuclear
  • Oil, Gas, Petroleum

Production Volume

  • Specialty Production Shop
  • Prototyping
  • Low Volume Production
  • High Volume Production

Lead Times Available

  • Quoted on Job by Job Basis
  • Emergency Services Available
  • Rush Services Available

Contact Us

For more information regarding our extension rods, contact Triangle Pump Components today»

If you are experiencing pumping issues and need help troubleshooting the problem click here»