793415 Expander

The 793415 EXPANDER by Blackmer is a high-quality pump component designed for use in positive displacement pumps. Manufactured by Blackmer and distributed by KI Pumps in Waukesha, WI, this expander component is recognized for its durability and reliable performance in demanding applications. Constructed from durable materials such as high-strength metals and engineered for wear resistance, the 793415 EXPANDER ensures long service life under operational stresses. Its dimensions include a crucial internal bore diameter of approximately 2.5 inches (63.5 mm), with overall length measuring around 4.2 inches (107 mm). The item weighs approximately 1.2 kg (2.65 lbs), making it suitable for easy handling and precise installation. Designed specifically for compatibility with Blackmer’s positive displacement pump series, it fits models where expanders of this size and specification are required. Key features of the 793415 EXPANDER include a corrosion-resistant finish to withstand chemical exposure, precision-machined surfaces for optimal sealing, and a design optimized for minimal wear and extended durability. The component provides efficient expansion and contraction within the pump system, contributing to consistent pump performance. This expander is ideal for use in various applications, including chemical processing, oil and gas, water treatment, and other industrial fluid handling environments where positive displacement pump reliability is essential. It is suited for maintenance and replacement purposes in existing Blackmer pump systems, especially when durability and high performance are priorities. Budget-conscious users will appreciate its long-term operational benefits and compatibility with existing equipment. Included in the package is the 793415 EXPANDER itself. Not included are assembly tools or installation accessories, which are typically required for proper fitting. Care instructions involve regular inspection for wear and corrosion, with cleaning using compatible solvents. The expander’s durability is supported by adherence to manufacturer maintenance guidelines. It comes with a standard warranty covering manufacturing defects, ensuring long-term reliable operation within compatible pump systems.