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

GRACO D51277 – Husky 515 AC 1/2″ NPT Standard Pump PP Center Section AC Seats BN Balls & BN Diaphragm, 100 PSI

Air-operated double diaphragm pump component for Husky 515 series pumps, featuring acetal construction with acetal seats and Buna-N balls and diaphragm for reliable fluid handling in industrial 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 delivery

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

Material: Acetal construction with acetal seats

Displacement Per Cycle: 0.04 gallon (0.15 liter)

Max Solid Size: 0.09 in (2.5 mm)

Sound Level: 74 dBa

Temperature Range: PTFE 220°F, Buna-N 180°F, Hytrel 150°F, Santoprene 180°F

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	Buna
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	Buna
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

Acetal construction for chemical compatibility

Buna-N balls and diaphragm for durability

1/2″ fluid inlet and outlet connections

Handles solids up to 0.09 inches

Self-priming operation

Applications

Chemical transfer applications

Industrial fluid handling

Process equipment applications

Applications requiring chemical resistant materials

Compatible Equipment

Husky 515 series pumps

Related Parts

D5A277 – Husky 515 AC 1/2″ BSP Standard Pump, PP Center Section, AC Seats, BN Balls & BN Diaphragm

D51255, D5A255

D51311, D5A311

D52955, D5B955

D52977, D5B977

Part of the Husky 515 air-operated double diaphragm pump family. Consult Process Equipment Buyer’s Guide for additional configurations. Model 248171 uses this part and has split inlets/outlets

Reference Manuals

300627 (Page 10) Ink manufacturing and printing solutions

308981 (Page 24) Air-Operated Diaphragm Pumps