The GRACO 651937 is a Husky 1050S-E electric diaphragm pump constructed with stainless steel (SS) seats, PTFE (PT) balls, and PO (polyolefin) diaphragms. It is designed for reliable, efficient transfer of fluids in industrial applications, compatible with a wide range of chemicals and fluids.

Key Features:

• Electric Diaphragm Pump
• Husky 1050S-E, 1" (25.4 mm) BSPT
• Stainless steel (SS) seats, PTFE (PT) balls, PO (polyolefin) diaphragms, aluminum center section
• Industrial fluids, chemicals, antifreeze, detergents, motor oil, hydraulic fluid, cutting oil, water, wastewater transfer
• Stall-free, low pulsation air valve (for air-operated models)
• Bolted design for even sealing and easy maintenance
• Reliable, robust construction for demanding environments
• Smooth and rapid changeover for efficient operation

Applications:
Industrial fluid transfer, chemical processing, wastewater management, lubrication systems, and general-purpose pumping in mining, agriculture, and manufacturing environments.

Installation Notes:

• Using genuine GRACO parts ensures optimal performance, reliability, and compatibility with existing equipment, reducing downtime and maintenance costs.
• Ensure all connections are tight and leak-free
• Use appropriate thread sealant for BSPT connections
• Verify compatibility of pump materials with the fluid being transferred
• Follow manufacturer guidelines for electrical and mechanical installation
• Regularly inspect diaphragms, balls, and seats for wear and replace as needed