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FEATURE SPONSORED FEATURE Superior technology determines


reliability of AODPs F


rom the most regulated environments to the most abrasive, O’Neill


Industrial has years of experience helping industry choose the right pump for the right job. In this article, we look at how superior technology is the differentiating factor when it comes to the reliability of Air Operated Diaphragm Pumps (AODPs). Choosing the right pump can streamline your operation and reduce downtime, saving you time and money.


WHY SPECIFY AN AODP PUMP? Specific AODP characteristics:


• Handles a wide variety of fluids with high solids content • Self Priming • Ability to Run Dry • Variable flow rate and discharge pressure • Portable • Simple Installation • Dead Head • Shear Sensitive • Safe Operation • Submersible • Pumping efficiency remains constant • Cannot Overheat • High Pressure capabilities • No mechanical seals, couplings or motors • No pressure relief or bypass needed.


O’Neill Industrial is an authorised


distributor for Yamada. Since its beginning in 1905, Yamada® has been at the forefront in developing the most complete line of Air-Operated Double Diaphragm (AODD) pumps in the world. Unmatched in quality, durability and availability, there’s no question as to why more and more industries are using Yamada for their pumping needs. As an ISO 9001:2015 certified company, their engineering intellect and manufacturing processes are second to none.


THE YAMADA ADVANTAGE Yamada Air Powered Double Diaphragm Pumps are engineered for high performance and manufactured for long life. They are renowned for their rugged, bolted construction.


All Yamada pumps feature bolted construction, which eliminates leaks and simplifies post-maintenance reassembly. Bolted construction is


30 MAY 2021 | IRISH MANUFACTURING


superior to clamp band retainers, which frequently require frustrating, unnecessary leakage rebuilds from misalignment during reassembly. With an Outside-Accessible Air Valve, inspection or maintenance of every Yamada air valve may be performed without removing the pump from service, making it easy to fix or inspect. Also unique to the Yamada design is an individual modular pilot valve 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.


PATENTED TECHNOLOGY Yamada air valve technology is the heart of the air-powered double diaphragm pump and determines reliability. Yamada holds three patents on its field-proven valve and enjoys a superior reputation throughout the industry. Unified Air Valve Concept: Yamada offers two common-size air valve assemblies within six sizes of pumps, further reducing reassembly confusion and parts inventory. Other air-powered double diaphragm pump manufacturers offer multiple air valve designs and revisions in an effort to address pump reliability problems. Multiple designs and revisions typically create maintenance rebuild issues, parts confusion, and obsolete inventory. Whether your pumps are functioning continuously or intermittently—at high or low pressure—using dirty or clean air—Yamada offers one field proven design.


Truly Non-Lubricated Air Valve: The patented Yamada® Air Valve on all NDP


Yamada AOD pump


series pumps never requires lubrication or pre-packing. The advanced design eliminates the need for external lubrication, which can lead to pumpage contamination and maintenance headaches. Yamada is proud to be the originator of non-lubricated air valve technology for air-powered double diaphragm pumps.


Some air-powered double diaphragm pump manufacturers claim to offer a non-lubricated air valve. Dependent upon the competitor’s design, the air valve will probably require lubrication for continuous operation, or lubricator installation if moisture is present within the air system. These valves are pre- packed with grease and are not truly non-lubricated. Non-Stalling: A patented non- centering, spring-assisted shifter is incorporated into every NDP Series pump, ensuring a positive shift every time. The 304 stainless steel C-springs provide exceptional durability and longevity and are tested to last over 300 million cycles! The spring assist also aides in long dead head applications for reliable start-up. Component Replaceable: All Yamada air valves can be restored with individual components, without requiring complete valve and housing replacement. Many competitor air valves incorporate a complicated design which requires complete replacement of the valve assembly and housing, further increasing the cost of ownership. The philosophy of Yamada is very similar to O’Neill Industrial’s: To offer the best product and support it with the best service, backed by the lowest cost of ownership in the industry. For over 40 years, O’Neill Industrial has provided reliable compressed air, pneumatics and pumping solutions to industry across Ireland. Benefit from our outstanding in-house expertise and know-how to ensure you select the right Air Operated Diaphragm Pumps to suit your processes and standards.


High purity PTFE pump


O’Neill Industrial oneillcompressedair. com/ yamada@oni.ie


/ IRISHMANUFACTURING


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