ARO Diaphragm Pump PRO Series 1” Non-Metallic
The best solution for fluid transport that clears intermediate stops and freezing issues! ARO diaphragm pump PRO series.
【"Original" Intermediate Stop Prevention Diaphragm Pump】 Equipped with ARO's patented "unbalanced" air valve. Guarantees pump shifts without intermediate stops using only air. 【Solving Freezing Issues】 ARO's "Quick Dump" exhaust valve allows for continuous operation by dispersing cold, moist exhaust away from pathways prone to freezing, preventing the valve from freezing. (Adopted in 2" and 3" models) 【Abundant Options】 Offers a wide range of material options for parts and can accommodate material changes for parts only. Provides cost-effective maintenance solutions for issues like wear and adhesion with standard products.
basic information
【Specifications】 Ratio: 1:1 Maximum discharge capacity: 178 l/min CC/Cycle: 640 Air inlet: 1/4" NPT Fluid inlet: 1" ANSI flange Class 150 Fluid outlet: 1" ANSI flange Class 150 Maximum discharge pressure: 0.83 MPa Allowable diameter of solids in conveyed liquid: 3.2 mm Weight: 9.2 kg (polypropylene), 12.9 kg (PVDF), 13.1 kg (polypropylene and cast iron air motor), 16.8 kg (PVDF and cast iron air motor) Maximum self-priming lift: 4.5 m (water)
Price range
Delivery Time
Model number/Brand name
PRO 6661
Applications/Examples of results
【Application Examples】 - Filter Press - Oil Industry - Ships - Nitrogen Industry - Automobiles - Glass - Paints, Printing - Chemicals