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　　Characteristics of MAIN Breakers:

　　1、The original valve structure is an innovation of traditional manufacturing craft, which increases efficiency by 20%～23% than that of same class products and minimums the counterforce.

　　2、Introducing advanced technology from Japan, which makes tolerance fitting more standard and reasonable, and increases the striking force by 10% ～15% than that of other products.

　　3、Easy to maintain, the change interval of wear parts is 500 ～1000 hours longer than products of the same class.

 Functions Introduction

 Expand the piston stroke

 -Smooth movement

 -Minimum rebound force to the excavator

 Optimized Performance (piston)

 - Improved performance in unexpected continuous working conditions 

 -Improves safety level, adopts high quality special alloy steel

 Rod

 - Excellent availability and reliability 

 - Made of high quality special alloy steel

 Nitrogen Chamber

 - Safe startup, accumulates energy

 Lubrication

 - Reduces friction

 - Regular maintenance, maintains working efficiency

 Piston and Valve 

 - Sophisticated heat processing, avoids scratch

 Accumulator

 - Reduces irregular pulse pressure of the hydraulic oil circuit 

 - Supplements the accumulating air pressure, and improves striking force.