Founded in 1998, Hongpai Pumps Co., Ltd. is the yamada pump manufacturer and designer of pumps, garden machine, compressor and pump accessories. We have become the long-term yamada pumps supplier of world-class retailers such as OBI, B&Q, METRO, BAUHAUS, LEROY MERLIN, CANADIAN TIRE, etc. Registered with ISO9001: 2000 quality management certification, we always go on improving its quality control system. Besides, 6S management was strictly applied. A great sum was invested in advanced machinery and testing facilities. With most components home made, quality is better controlled here. GS, CE, UL, ETL, CB, EMC & EMF certificates guarantee received products to be high quality for customers.

Yamada high pressure pump was specifically designed for applications where 100 PSI maximum pump operating pressure is not enough to overcome system requirements. The flow rate if roughly half of the same size pump output, though a discharge pressure of 200 PSI can be achieved with only 100 PSI air inlet pressure supplied. The surface area (driving both diaphragms) to double the output.
A variety of elastomer options including Teflon® PTFE are available to meet abrasion, temperature, and chemical compatibility concerns.
No elaborate bypass required
No relief valves required
No complicated controls required
Great Pressure retention (ability to hold pressure)
3/4“ though 3” port sizes available

These pumps are designed to dispense any type of printing ink. There are models to handle fluid inks, drum displacement, circulation and tote tanks.
Yamada has manufactured the most complete line of air-powered double-diaphragm pumps industrywide, incorporating a wide variety of materials to meet your most demanding fluid transfer needs. Yamada pumps are available in 1/4 in. through 3 in. port sizes (flows to 214 GPM).
pumps were designed for demanding utilitarian type applications that require a robust design. The clamped configuration is a classic design that evolved from 1955 with the invention of Jim Wilden's first air operated double diaphragm pump. Orginal™ Series pumps ensure reliability without sacrificing ease of maintenance.

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