1/2'' Non-Metallic Diaphragm Pump


Maximum Flow gpm (lpm): 14.4 (54.5)
Maximum Discharge Pressure psi (bar): 100 (6.8)
Fluid Ports Inlet/Outlet (bsp): 1/2" (F) - In/Out
Material of Construction: Polypropylene, Groundable, Acetal, PVDF
Maximum Solids in (mm): 3/32 (2.4)
Maximum Dry Suction Lift ft (m): 15 (4.5)

Part of our Compact Series of pumps, our 1/2” compact pumps feature big performance in a small package. They offer flow rates up to 14.4 GPM (54.5 LPM) and a wide range of material and porting configurations. 

Available with Long-life PTFE diaphragms.


Designed to meet your OEM application needs.

Manufactured for complete corrosion resistance - constructed with polypropylene center body, standard stainless steel fasteners, and your choice of Groundable Acetal, PVDF (Kynar) or Polypropylene casing materials

Efficiency - Simul-Shift™ valve provides ultra-positive, reliable shift signal

Reliability - ARO's patented 'Unbalanced' air valve ensures no-stall operation

Versatility - Center, End, and Dual Inlet / Outlet manifold configurations for your application needs

Environmentally Sound - Bolted construction for leak-free fluid handling

Serviceability - Ease of service through modular design


  • 66073-1 Air Line Connection Kit: contains Piggyback Filter / Regulator, pipe nipple & 5’ section of hose
  • 637438 Threaded Exhaust Kit
  • 76763 Wall Mount Bracket
  • 93110 Air Motor Muffler
  • 637440-X Dual Inlet / Outlet Kit
  • 67165-X Cycle Actuation Kit
  • 637428 Air Section Service Kit
  • 637427-XX Fluid Section Service Kit

Pump Casing Materials

  • Polypropylene
  • PVDF (Kynar)
  • Groundable Acetal

Diaphragm Material

  • Long Life PTFE
  • Santoprene
  • Hytrel
  • Nitrile
  • PTFE w/ Santoprene backer
  • Polyurethane
  • Viton

Ratio: 1:1

Maximum Flow: 14.4 g.p.m. (54.5 l.p.m.)

Displacement per cycle: 0.039 Gallons (0.15 Liters)

Air Inlet:  (Female) 1/4 - 18 P.T.F. SAE Short

Fluid Inlet/Outlet:
1/2 - 14 N.P.T.F. - 1
Rp 1/2 (1/2 -14 BSP, parallel)

Max. operating pressure: 100 psi (6.9 bar)

Suspended solids max. dia.: 3/32” (2.4 mm)

Weight:  lbs (kg)
PD05P-XDS-XXX-B 6.3 (2.9)
PD05P-XES-XXX-B 6.7 (3.0)
PD05P-XKS-XXX-B 6.8 (3.1)
PD05P-XLS-XXX-B 7.2 (3.3)
PD05P-XPS-XXX-B 5.2 (2.4)
PD05P-XRS-XXX-B 5.4 (2.5)

Maximum dry suction lift: ft (m) 15.0 (4.5)

Sound Level: 70 PSI    60 Cycles/Min    75.0 db(A)

Muffler: Integral, Included



Drum Pump Packages:

Perfect for removing your chemical from any 55-gallon drum.

Complete dispense drum pump will move your chemical from any 55-gallon drum to it's finishing application location.

Perfect pump package for transferring your fluid from location to location

Model Body Materials (wetted) Diaphragm & Ball Material Compatible Fluids
PD05P-ARS-PTT-B Polypropylene PTFE Windshield fluid, motor / gear oil, transmission fluid, antifreeze
PD05P-ARS-PCC-B Polypropylene Hytrel Windshield fluid, motor / gear oil, transmission fluid, antifreeze
PD05P-ARS-PAA-B Polypropylene Santoprene Windshield fluid, antifreeze
PD05P-AES-DTT-B Acetal PTFE Solvents
PD05P-AES-DCC-B Acetal Hytrel Windshield fluid, motor / gear oil, transmission fluid, antifreeze