261980 Rotor and Shaft for NP4 closed rotor pump

This rotor and shaft assembly is constructed from high-grade materials resistant to wear and corrosion, ensuring durability during continuous pump operation. The rotor features precisely machined surfaces to promote smooth vane movement, while the shaft is manufactured with tight tolerances for efficient alignment with the pump housing.

The dimensions of the 261980 Rotor & Shaft include an overall length of approximately 15 inches (38 cm) and a diameter of 4 inches (10 cm), optimized for compatibility with NP4 pump models. The assembly is compatible with standard NP4 pump configurations, facilitating easy installation and replacement.

• Made from corrosion-resistant materials such as stainless steel or high-strength alloys for extended lifespan.
• Precisely machined for accurate fitting and minimal operational vibration.
• Optimized for facilitating efficient vane operation within NP4 rotor assemblies.
• Designed to withstand the rigors of continuous operation in demanding industrial environments.

Suitable use cases include maintenance or repair of NP4 closed rotor pumps in chemical processing, manufacturing, or fluid transfer facilities. It is an ideal replacement part for pump operators seeking to restore peak efficiency and reliability without the need for extensive system modifications. The 261980 Rotor & Shaft is recommended for budgets prioritizing durable, OEM-quality components that deliver long-term value.

Each order includes the rotor and shaft assembly, with no additional accessories included. Proper installation requires standard pump maintenance tools; consult the equipment manual for specific procedures.

Care instructions involve regularly inspecting the rotor and shaft for signs of wear or corrosion and replacing as necessary. The component can be cleaned with compatible solvents and should be stored in a dry environment when not in use. Warranty details are provided by Blackmer and authorized distributors.