794422 Piston Nut

The 794422 PISTON NUT by Blackmer is a critical component designed for positive displacement pumping equipment. Manufactured with precision, this piston nut is constructed from high-strength, durable steel to withstand operational stresses and ensure long service life. The product measures approximately 4.2 inches (107 mm) in diameter and 2 inches (50 mm) in height, with a threaded bore diameter of 1 inch (25 mm), compatible with various Blackmer pump models. It features a corrosion-resistant coating, such as zinc plating, to enhance durability in demanding environments and prevent rust during prolonged use. Constructed from high-grade steel with corrosion-resistant zinc plating. Dimensions: approximately 4.2 inches diameter, 2 inches height, 1-inch threaded bore. Designed to secure pistons within Blackmer positive displacement pumps. Precisely machined threads to ensure proper fit and secure attachment. Compatibility with Blackmer pump models requiring the piston nut size and specifications. Maximum operational temperature rated up to 200°F (93°C). Resistant to wear and mechanical stresses typical in pumping applications. Use Cases The 794422 PISTON NUT is ideal for maintenance and repair of Blackmer positive displacement pumps used in industrial and municipal fluid handling, including chemical transfer, petroleum, and water treatment. It is an essential spare part for pump rebuilds, ensuring the piston assembly remains securely fastened during operation. This component is suitable for operators seeking reliable, OEM-quality parts to prevent pump failure and minimize downtime. Included in the Package The package includes one 794422 PISTON NUT. Not included are other pump components, such as pistons, shafts, or seals, which must be purchased separately to complete pump assembly or repair. Care Instructions To maintain optimal performance, routinely inspect the piston nut for signs of wear or corrosion. Clean with mild solvent and a wire brush if necessary; avoid abrasive cleaners. The piston nut can be reinstalled after cleaning without special tools. The component is covered under standard warranty against manufacturing defects. Regular maintenance and proper torque application during installation will prolong its service life.