Engineers and Manufacturers of Air-Powered Double Diaphragm Pumps and Pump Accessories

Core Technologies

Bolted construction:
Leak-free mating surfaces simplify maintenance.

Lube-free air valve: Yamada’s patented non-stalling air valve never requires lubrication.

Simplified valve replacement

Common-size air
valve assemblies reduce parts inventory and reassembly confusion.

Pilot Valve:
An individual

modular pilot valve actuates 
the air valve.

more info    

Remediation readiness by design

Air-powered, submersible, and portable, Yamada® diaphragm pumps are intrinsically safe for facilitation of oil pipeline repair and hydrocarbon remediation.

Available in port sizes as large as 3 inches,
pumps pass solids and sludge reliably
without requiring air motor lubrication.

more info

Yamada’s SolidPRO^® pump transfers fluids containing solids up to 2 inches (5 cm) diameter.

Ruggedly built for longevity in the field, the bolted construction of the SolidPRO provides easy side-plate access to flap valves without removing the pump from service.

Its vented diaphragm chambers alleviate problems associated with trapped air or gas.     more info    

Yamada cordially invites you to attend a Pump Certification Class at Yamada-U in Arlington Heights, Illinois. The one-day classes are offered this summer in August and September. Register online today! more info