Mating Surfaces All Yamada pumps incorporate bolted construction, which eliminates leaks and simplifies reassembly after maintenance. Many competitors utilise clamp band construction, which frequently requires frustrating and unnecessary rebuilds due to leakage from misalignment during reassembly.
Outside Accessible Air Valve Inspection or maintenance of every Yamada air valve may be performed without removing the pump from service.
Pilot Valve Unique to the Yamada design is an individual modular pilot valves that actuates the air valve. It is depressed slightly by the inner centre disk creating a pressure drop at one end of the air valve, allowing shifting to occur. It is maintenance free with no cumbersome snap rings or lubricated dynamic o-rings to replace or repair.
Diaphragm Dynamics Extensive research had led to the development of an optimal stroke length that maximizes diaphragm, like and performance while minimizing downtime and maintenance costs.
Yamada FDA compliant pumps are specifically designed for Food, Pharmaceutical & Cosmetic industries where 3A or USDA standards are not required.
Pumps include 316 Stainless Steel wetted components with Passivated Satin Finish, Epoxy-Coated Air Motor, Sanitary Clamp Fittings, and FDA compliant elastomers: Hytrel®, EPDM and PTFE.
Port Size : Eight sizes available from 3/4" to 4" ports
Flow Ranges : From 1 to 215 gallons per minute
Air Pressure : From 20 to 100 PSI.
Additional Options : Air motor Teflon-coated or Electroless Nickel Plate
Finish : Interior mechanical polish available on most models. Consult Yamada
Note: FDA Series pumps utilize oversized sanitary ports
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