R.F. MacDonald Co. services and sells boilers, pumps, composites and accessories for commercial and industrial applications.

Air Operated Diaphragm

Air Operated Diaphragm


ARO Pump


Southern CA, Nevada

• Standard Duty Ball – Metallic
• Standard Duty Ball – Non-Metallic
• Heavy Duty Flap – Metallic

Warren Rupp “Sandpiper”


Northern CA, Nevada

• Standard Duty Ball – Metallic
• Standard Duty Ball – Non-Metallic
• Heavy Duty Flap – Metallic
• Heavy Duty Flap – Non-Metallic
• Containment Duty – Metallic
• Containment Duty – Non-Metallic
• High Pressure – Metallic