GRACO D51255 – Husky 515 AC 1/2″ NPT Standard Pump PP Center Section AC Seats TPE Balls & TPE

GRACO D51255 – Husky 515 AC 1/2″ NPT Standard Pump PP Center Section AC Seats TPE Balls & TPE Diaphragm, 100 PSI

Husky 515 air-operated double diaphragm pump component featuring polypropylene construction with acetal seats and Hytrel balls and diaphragm for chemical compatibility and durability in fluid transfer applications

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)

Reliable air valve for years of dependable performance

Additional Specifications

Flow Rate: 15 gpm (57 lpm) maximum free flow

Max Working Pressure: 25-100 PSI (1.7-6.9 bar)

Material: Polypropylene construction with Acetal seats

Displacement Per Cycle: 0.04 gallon (0.15 liter)

Max Pumpable Solids: 0.09 in (2.5 mm)

Sound Level: 74 dBA

Operating Temp: PTFE 220°F, Buna-N 180°F, Hytrel 150°F, Santoprene 180°F

Pump Model: 515

Inlet Outlet Type: split

Air Exhaust Port Size (in)	3/8
Air Exhaust Port Thread Gender	Female
Air Exhaust Port Thread Type	NPT
Air Inlet Size (in)	1/4
Air Inlet Thread Gender	Female
Air Inlet Thread Type	NPT
Application	Industrial
Ball Material	TPE
Center Section Material	Polypropylene
Compatible Material	Antifreeze, Detergents, Resin, Polymers, Motor Oil, Grease & Oil, Hydraulic Fluid, Transmission Fluid, Cutting Oil, Water – Wastewater Treatment, Ink
Connection Type	Threaded
Diaphragm Material	TPE
Fluid Inlet Size (in)	1/2
Fluid Inlet Thread Gender	Female
Fluid Inlet Thread Type	NPT
Fluid Outlet Size (in)	1/2
Fluid Outlet Thread Gender	Female
Fluid Outlet Thread Type	NPT
Fluid Section Material	Acetal
Manifold Configuration	Center Port
Manifold O-Ring Material	PTFE
Material	Acetal
Maximum Air Consumption (SCFM)	28
Maximum Air Pressure (MPa)	0.7
Maximum Air Pressure (psi)	100
Maximum Cycle Rate (CPM)	400
Maximum Flow Rate (GPM)	15
Maximum Fluid Pressure (MPa)	0.7
Maximum Fluid Pressure (psi)	100
Maximum Operating Temperature (°F)	180
Maximum Solid Size (in)	0.09375
Minimum Operating Temperature (°F)	40
Overall Height (in)	10.63
Power Source	Air
Seat Material	Acetal
Standards Met	ATEX, CE
Type	Pneumatic Diaphragm Pump
Weight (lb)	7.8

Features

Air-operated double diaphragm design

Polypropylene construction for chemical resistance

Acetal seats for durability

Hytrel balls and diaphragm for flexibility

Self-priming operation

Can handle solids up to 0.09 inches

Applications

Chemical transfer

Industrial fluid handling

Process applications requiring chemical compatibility

Compatible Equipment

Husky 515 pumps

Related Parts

D51277 – Husky 515 AC 1/2″ NPT Standard Pump PP Center Section AC Seats BN Balls & BN Diaphragm

D51311 – Husky 515 AC 1/2″ NPT Standard Pump PP Center Section SS Seats PTFE Balls & PTFE Diaphragm

D52955 – Husky 515 PP 1/2″ NPT Standard Pump, PP Center Section, PP Seats, TPE Balls & TPE Diaphragm

D52977 – Husky 515 PP 1/2″ NPT Standard Pump, PP Center Section, PP Seats, BN Balls & BN Diaphragm

D52311 – Husky 515 PP 1/2″ NPT Standard Pump, PP Center Section, SS Seats, PTFE Balls & PTFE Diaphragm

Part of the Husky 515 pump family. BSP ported version available as D5A255. Consult Process Equipment Buyer’s Guide for additional configurations. This is the same as another pump model but has split inlets/outlets as the key differentiator

Reference Manuals

300627 (Page 10) Ink manufacturing and printing solutions

308981 (Page 24) Air-Operated Diaphragm Pumps