Yamada’s new DP-15 series metal pumps are designed to provide maximum performance, while maintaining the reliability that you’ve grown accustomed to. These 1/2″ pumps are perfect for spraying and dispensing applications, particularly when on and off cycling reliability is critical.
The Yamada LLC-2Y Liquid Level Controller controls Yamada pumps to maintain preset levels.
The LLC-2Y is a totally pneumatic system designed to automatically start and stop Yamada Air-Powered Double Diaphragm Pumps when the liquid level within a tank, sump, etc. reaches predetermined levels. An extremely versatile controller, the LLC-2Y can be used in both single and dual pump applications with any size or model Yamada pump.
LLC-2Y Animation Video:
Learn More: Yamada LLC-2Y Liquid Level Controller
Yamada performance curves plot viscosity, temperature, total head, and air pressure requirements in easy to read charts.
Filter Regulators are an excellent, low cost, easy install accessory that provides precise pressure control necessary to optimize the performance and efficiency of your Yamada air-operated double diaphragm pump.
Learn more: http://www.yamadapump.com/accessories/filter-regulator/index.html
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Yamada’s “in-the-field” approach has yielded an accurate, well-engineered ink pump in an easy-to-use, low-maintenance design.
The InkPRO® Ink Pump Technology Specifically Designed For Printing Inks –
Yamada Corporation, a pioneer in pumping products for 100 years, developed the InkPRO® exclusively for the transfer of high viscosity printing inks. Other manufacturer’s products are designed for grease or spray applications and sell modified versions for pumping ink.
Outside Accessible Air Valve –Yamada has developed the latest in air valve technology to insure that your pump runs longer and requires less maintenance than leading competitive brands. If air valve inspection is necessary, there is no need to remove the pump from service – remove two bolts, access your air valve and minimize your down time.
Unique Inductor Plate –The transformable sealing system (U.S. patent no. 6,422,430) is designed to allow for very easy and clean drum changes.
Oil Container–The visible plastic oil container protects against ink leakage (see through container), maintains a lubricated plunger, and extends gasket life. Lubrication maintenance is minimal.
Low-Level Sensor–Easily adjustable pneumatic low-level sensor prevents pump dry running.
Anti-Freezing Design–The high efficiency air valve is designed to reduce air consumption and cycling speed is optimized to eliminate freezing.
Metering–Precision, high quality construction insures accurate metering.
Less Noise –Quiet operation (less than 70dB within 3 feet) vs. competitive models.
Source: Yamada Ink Pumps
Yamada Corporation’s air operated SKR110 series lubricator is now available through Yamada America. Though commonly used in the automotive manufacturing industry, the SKR110 unit is used worldwide in many grease pumping applications.
The SKR110 is portable and comes complete with a pump, airlift assembly, air regulator and inductor plate. At a 50:1 pump ratio and operating pressure of 1500-5000 PSI, the SKR110 is capable of pumping grease up to NLGI No. 3, making this unit one of the industry’s most effective lubricators. Get literature.
For more information call Yamada at (800) 990-7867.
When someone asks me about a Yamada 1/2” pump, most people think about the NDP-15 series pump. However, there is another option called the DP-15. This pump uses the NDP-15 polypropylene liquid side, but uses the DP-10 air section.
The DP-15 is only pump available with a polypropylene liquid end and has the same elastomer options as the NDP-15 series pumps. Be advised: there is a significant difference in the maximum flow rates. The DP-15 series has a maximum flow rate of 7.4 GPM, while the NDP-15 series has a 13.5 GPM maximum flow rate.
While the NDP-15 series is good for higher flow rates, the DP-15 is ideal for low flow rates, extended dead head and dispensing applications. Both pumps share a common liquid end kit, but require different air motor kits. The DP-15 uses a K115-AM air motor kit and the NDP-15 uses a K15-AM motor kit.
Throughout the year we diagnose hundreds of pump and equipment problems over the phone and have found that in most cases it isn’t a pump problem, but rather a system problem. Sometimes the best tool you can use to help us determine your pumping issue is a camera.
By sending us a few well snapped pictures from your camera, of the pump and/or system, will give us a greater understanding on diagnosing your pumping issue. In addition to visuals, if we know the suction pressure, discharge pressure, and air inlet pressure, most problems can be solved quickly.
Lately we have seen several pump failures due to improperly installed shaft cushions (p/n 770582). We have noticed that the problem occurs when a shaft cushion is installed in a pump that does not require it.
For instance, the shaft cushion is used on all NDP-40 and NDP-50pumps with rubber diaphragms, including Santoprene® and Hytrel® elastomers. However, the shaft cushions are not to be used on NDP-40 and NDP-50 pumps with PTFE diaphragms or any NDP-80 series pump.
The purpose of the shaft cushion is to prevent the center disk from impacting the air chamber wall when operating at the far right of the performance curve. This isn’t an issue with the NDP-40 and NDP-50 pumps outfitted with PTFE diaphragms because the pumps are destroked and will not travel far enough to impact the chamber. This can, however, happen with the NDP-80 series pumps. A shaft cushion cannot be used because it will interfere with the center disk as it makes contact with the pilot valve.
Lastly, if you have a rebuilt NDP-80 pump and cannot get it to cycle, check to see if it was rebuilt (incorrectly) with shaft cushions. Below is a quick reference guide to follow when determining whether you can install shaft cushions in your pump.
- IWAKI RD
- IWAKI MXM
- IWAKI WMD
- IWAKI MD
- IWAKI MX
- IWAKI SMX