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difference between internal valve and external valve hydraulic hammers

zppark

Member
Joined
Jan 4, 2019
Messages
10
Location
Shandong
Occupation
CE
As hydraulic hammers' design updating these years, it seems internal valve types are becoming the main current. Only several brands like Furukawa still insist on the external valve.

Does this mean a trend in the future?

As I collect materials on google I found very little information about that. Then coming up with this article below.

https://sjheavy.com/hydraulic-breaker-valve/

Hope to receive some useful information here.
 
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