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(1) pump sent system constant power points: currently both at home and abroad enterprise production of trailer concrete pump, its pump sent body are used constant power system, dang pump sent pressure high Shi pump sent party volume low, pump sent pressure low Shi, pump sent party volume increased to power constant, conducive to power and main pump of reasonable match, from pump sent performance curve can seen, General constant power curve of up adjusting points hydraulic in 15~18MPa around.Henan Daswell Machinery Co., Ltd,is a professional manufacturer and trader specializing in the research, development and production of construction machinery for nearly 30 years. Our main products are as follows:portable concrete mixer,concrete mixer machine,electric portable concrete mixer,etc. We will provide you with the best product and service. (2) the inevitable downtime during the actual construction and breaks: for conversion of a project should be conveying to estimate planetary concrete mixer for sale, in accordance with a specified time to complete the cast to configure the device concrete pump with mixer, are more confident. In the actual operating time of the average volume of pumped trailer concrete pumping volume theory should be determined by the 40%~55%. Maximum pressure of pump concrete is a trailer concrete pump body hopper can reach concrete pressure at the exit. Purchase trailer concrete pump main is see price ready mix plant, and quality, and service three points, large enterprise of service is is Rod, but price is low, due to trailer concrete pump professional technology of monopoly has break, large enterprise comparable, and price only its several into, reached has very good of price.