186918 Liner

Product Overview The 186918 Liner by Blackmer is a replacement component designed for positive displacement and sliding vane pumps. It is engineered to improve pump efficiency, enhance durability, and extend the service life of the pump system. Manufactured by Blackmer and distributed through KI Pumps of Waukesha, WI, this liner is a critical part of pump maintenance and repair routines. Materials and Construction The 186918 Liner is made from high-quality, wear-resistant materials such as cast iron or ductile iron, tailored for durability under high-pressure applications. Its surface is precisely machined to ensure optimal fit and minimize wear, providing reliable performance over extended periods of use. Dimensions and Compatibility This liner measures approximately 10.25 inches in length, with an inner diameter of 4.5 inches and an outer diameter of 5.25 inches, designed to fit specific models of Blackmer pumps. It is compatible with a range of pump models that utilize this size and configuration. Features Constructed from high-strength cast iron for longevity Precisely machined internal surfaces for optimal sealing Designed to maintain proper clearances in pump assemblies Reduces wear on rotor and vane components during operation Facilitates efficient pump performance and reliable operation Easy to install with standard repair tools Robust design supports high-pressure and high-volume applications Use Cases and Ideal Applications The 186918 Liner is ideal for maintenance and repair of positive displacement and sliding vane pumps across various industries including chemical processing, water treatment, and industrial fluid handling. It is suited for systems requiring durable, high-performance liners to ensure long-term operational efficiency. This product is especially beneficial for technicians and maintenance teams seeking to minimize downtime and maximize pump reliability without exceeding budget constraints for replacement parts. Included in the Package The 186918 Liner ships as a single component, ready for installation. Additional installation hardware or additional pump components are not included and must be sourced separately. Care and Maintenance To ensure optimal performance, the 186918 Liner should be inspected periodically for signs of wear or corrosion. Proper installation is essential to avoid damage. The liner can be cleaned with compatible cleaning solutions if required. Regular maintenance and timely replacement help extend the overall lifespan of your pump system. Refer to Blackmer’s service guidelines for warranty and specific care instructions.