Graco Husky 515 Double Diaphragm 1/2" Pump

Graco Husky 515 – 1/2" Air-Operated Double Diaphragm Pump (Polypropylene, #D52966)

The Graco Husky 515 is a compact, high-efficiency 1/2" air-operated double diaphragm pump engineered for industrial fluid transfer applications. Constructed from durable polypropylene with Santoprene diaphragms and ball materials, this pump offers chemical resistance, quiet operation, and leak-free performance, making it ideal for a wide range of liquids including antifreeze, detergents, resins, polymers, motor oil, hydraulic fluids, and wastewater.

Equipped with a stall-free, low pulsation air valve, the Husky 515 delivers smooth, rapid changeover while its bolt-through fluid cover design ensures reliability and safety without mechanical seals that can fail.

Key Benefits

• Operates on as little as 20 PSI, perfect for low-pressure applications
• Up to 15 GPM flow rate for efficient fluid transfer
• Quiet operation at under 85 dBa, with optional remote muffler
• Leak-free design with bolt-through fluid cover
• Easy-to-service air valve and ball checks for minimal downtime
• Split manifold option for pumping multiple fluids without mixing

Ideal For

• Industrial chemical transfer and processing
• Wastewater treatment and water handling
• Automotive and manufacturing fluid systems
• Resin, polymer, and cutting oil transfer
• Applications requiring chemical compatibility and leak-free performance

Product Features

• 0.5" NPT female inlet/outlet
• Polypropylene fluid and center sections for corrosion resistance
• Santoprene diaphragms and balls for chemical compatibility
• Center port manifold configuration
• Handles solids up to 0.09375"
• ATEX & CE certified

Technical Specifications

• Model: Graco Husky 515 (#D52966)
• Type: Pneumatic Double Diaphragm Pump
• Power Source: Air
• Maximum Flow Rate: 15 GPM (56.7 LPM)
• Maximum Air Pressure: 100 PSI
• Maximum Fluid Pressure: 100 PSI
• Maximum Air Consumption: 28 SCFM
• Cycle Rate: 400 CPM
• Fluid Inlet/Outlet: 1/2" NPT Female
• Center Section / Fluid Section: Polypropylene
• Diaphragm / Ball / Seat Material: Santoprene / Polypropylene
• Manifold Configuration: Center Port
• O-Ring Material: PTFE
• Operating Temperature: 40–150°F
• Standards: ATEX, CE