1″ Pro Series Non-Metallic


Material Inlet / Outlet: 1’’ Flange, ANSI Class 150/DIN
Air Inlet (female): 1/4 – 18 N.P.T.
Air Exhaust (female): 3/8 – 18 N.P.T.F. – 1.
6661A3-3XX-C 20.25 lbs (9.2 kgs).
6661A4-4XX-C 28.5 lbs (12.9 kgs).
6661B3-3XX-C 28.8 lbs (13.06 kgs).
6661B4-4XX-C 37 lbs (16.78 kgs).


Enviro Solutions

625 Humble Avenue San Antonio, Tx 78225.

SKU: 1_NM_ARO_PUMP Categories: ,



  • Robust construction with thick walled injection, molded fluid casings and cast iron or aluminum center sections to withstand tough industrial applications.
  • Efficiency – Motor design delivers optimum air efficiency
  • Reliability – ARO’s patented ‘Unbalanced’ air valve ensures no-stall operation
  • Versatility – Multiple porting options for your application needs – Available in Flanged, Threaded, or 3 piece Manifold configurations
  • Environmentally Sound – Bolted construction for leak-free fluid handling
  • Serviceability – Easy access to ball checks and fluid caps for maintenance and repairs.

Delivery Time:

  • Models in kynar (PVDF) 10-12 weeks*
  • Polypropylene models if available in the warehouse  6-7 weeks*

*From written confirmation of accepted order of purchase or order of the client.

Additional information

Diaphragm Materials

PTFE (Teflon), Santoprene

Pump Casing Materials

Polypropylene, PVDF (Acid)