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GRACO / Pneumatic & Diaphragm Pumps

GRACO
D52911

Husky 515 polypropylene diaphragm pump with 1/2-inch NPT ports and PTFE balls.

Model: D52911

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What defines this model

Closest listed configurations in GRACO Husky 515. These are comparison references; interchangeability has not been established.

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Match all wetted materials
Check the fluid, concentration, temperature and solids against the fluid section, diaphragm and ball/check-valve materials. Matching port size alone does not establish chemical compatibility.
Match connections and operating duty
Confirm the thread or flange standard, required flow at discharge pressure, air supply and suction conditions. Maximum catalog flow is not the delivered flow at every operating point.

Product information

Manufacturer catalog and model-code reference. Confirm the supplied unit against its nameplate and the applicable manual.

Brand	GRACO
Model number	D52911
Product Type	Air-operated double-diaphragm pump
Drive	Compressed air
Center Section Material	Polypropylene
Maximum Air Pressure	100 psi (7 bar)
Maximum Fluid Pressure	100 psi (7 bar)
Series	Husky 515
Fluid Section Material	Polypropylene
Seat Material	Polypropylene
Ball Material	PTFE
Diaphragm Material	PTFE/EPDM 2-piece
Fluid Inlet / Outlet	1/2 in female NPT
Manifold Configuration	Center port
Maximum Flow Rate	15 US gpm (about 57 L/min)

Confirm the complete nameplate, condition and configuration before placing an order.
Confirm fluid compatibility, wetted materials, connection standard and the complete pump configuration.

Manufacturer documentation

Reference information reviewed September 2026. Check the applicable revision for your equipment.