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Air Operated Oil Transfer Pumps

GRACO Husky 515 1/2" BSP Diaphragm Pump - Acetal/Buna

Product Code: AF-G-D5A277

Brand
Graco
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Description

Husky 515 AC 1/2 in. (13 mm) BSP Standard Pump, PP Center Section, AC Seats, BN Balls & BN Diaphragm

The Husky 515 air-operated double diaphragm pump features a stall-free low pulsation air valve which provides a smooth and rapid changeover.

The bolt through fluid cover design eliminates leaks and makes the Husky safer with higher reliability.

  • Center and end porting options.
  • No mechanical seals to cause fluid leaks or failures
  • Runs quietly at less than 85 dBa with easy-to-use remote muffler capability for even lower noise levels
  • Easy-to-service air valve and ball checks
  • Operates on as little as 20 psi (1.4 bar, 0.14 MPa)
  • Split manifold option to pump multiple fluids without mixing
  • Delivery up to 15 gpm (56.7 lpm)
  • Easy-to-service air valve and ball checks
  • Reliable air valve for years of dependable performance

Technical specifications

Air Exhaust Port Size (in): 3/8
Air Exhaust Port Thread Gender: Female
Air Inlet Size (in): 1/4
Air Inlet Thread Gender Female
Fluid Inlet Size (mm/in): 12.7 / 1/2
Fluid Inlet Thread Gender: Female
Fluid Outlet Size (mm/in): 12.7 / 1/2
Fluid Outlet Thread Gender: Female
Maximum Air Consumption (SCFM): 28
Maximum Air Pressure (bar/psi): 7 / 100
Maximum Cycle Rate (CPM): 400
Maximum Flow Rate (L/min): 57
Maximum Fluid Pressure (bar/psi): 7 / 100
Maximum Operating Temperature ( C/ F): 82 / 180
Maximum Solid Size (mm/in): 2.4 / 0.09375
Minimum Operating Temperature ( C/ F): 4 / 40
Model: Husky
Overall Height (in): 10.63
Series: 515
Maximum Fluid Pressure (MPa): 0.7
Maximum Air Pressure (MPa): 0.7
diaphragm_compatible_material: Buna
compressor_required: Yes

Technical Specifications
Brand Graco
Dimensions 28x31x22
Weight 5 Kg

Click the button below to download this page as a PDF:

What Is a Fluid Transfer Pump Used For?

A fluid transfer pump is a device used to move liquids from one location to another safely and efficiently. These pumps are widely used across industries such as agriculture, automotive, mining, construction, manufacturing, and marine.

Common Applications Include:

  • Transferring fuel, oils, chemicals, and water between tanks, drums, machinery, and vehicles
  • Refuelling equipment on-site
  • Draining and filling systems, such as cooling or hydraulic systems
  • Dispensing lubricants or chemicals in controlled volumes

Fluid transfer pumps are available in manual, electric, pneumatic, or engine-driven types, and are designed for specific fluids based on viscosity, chemical compatibility, and flow rate requirements.

How Do I Select the Right Fluid Transfer Pump?

Choosing the right pump involves evaluating several important factors:

  1. Type of Fluid

    • Identify whether you are transferring water, diesel, oil, chemicals, or corrosive liquids.

    • Ensure the pump materials are chemically compatible with the fluid.

  2. Viscosity

    • High-viscosity fluids (e.g., oils) require gear pumps, diaphragm pumps, or rotary pumps.

    • Low-viscosity fluids (e.g., water, diesel) can be handled by centrifugal or vane pumps.

  3. Flow Rate & Pressure

    • Determine how quickly you need to transfer the fluid, usually measured in litres per minute (LPM) or gallons per minute (GPM).

    • Choose a pump that meets both your flow and head pressure requirements.

  4. Power Source

    • Select between manual, 12V/24V, 240V, air-powered, or engine-driven pumps based on your site’s power availability.

  5. Portability & Mounting

    • For mobile applications, consider portable or trailer-mounted pumps.

    • For fixed installations, wall- or tank-mounted options may be more suitable.

      Working with a supplier experienced in industrial fluid handling can help ensure proper pump sizing and compatibility.

What Maintenance Is Required for Fluid Transfer Pumps?

Regular maintenance is essential to keep your pump performing efficiently and to extend its lifespan. Key maintenance tasks include:

  • Inspect Hoses and Fittings
    Check regularly for cracks, leaks, or worn connections.
  • Clean Filters and Strainers
    Blocked filters reduce flow and may damage components. Clean or replace as needed.
  • Lubricate Moving Parts
    For pumps with bearings or gears, apply appropriate lubrication at scheduled intervals.
  • Check Seals and Gaskets
    Replace any worn or damaged seals to prevent leaks.
  • Monitor Flow and Pressure
    Drops in performance may indicate internal wear or blockages.
  • Flush the Pump
    Especially important after handling corrosive fluids or when switching between fluids to avoid cross-contamination.
  • Follow Manufacturer Guidelines
    Each pump may have specific procedures outlined in the user manual.

Why Maintenance Matters

Proper maintenance ensures:

  • Optimal performance
  • Operational safety
  • Regulatory compliance
  • Cost-effective operation

This is particularly important in regulated industries across Australia where reliability and safety standards must be upheld.

 

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