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Yantai Rocka Hydraulic Breaker Cell For Postdrivers

From the best power to the economic satisfaction with exceptional performance -
Demonstrates the true value in treating from fenceing field.
- Dual speed impact frequency allows the hammer speed to be adjusted for maximum productivity.
- Low operating pressure, minimum oil requirements.
- More powerful and durable structure. 
- High power combined by Hydraulic pressure and Nitrogen gas.

 

Postdriver - Large Range


SPECIFICATION Unit SK43 SK45 SK50
Operating Weight kg
(lbs)		 190
(418)		 250
(550)		 425
(935)
Overall Length mm
(in)		 1719
(68)		 2096
(82)		 2340 
(92)
Oil Flow Requirement l/min
(gpm)		 50 ~ 90
(13.1 ~ 23.6)		 60 ~ 100
(15.8 ~ 26.3)		 80 ~ 110
(21.1 ~ 29.1）
Operating Pressure bar/
(psi)		 120 ~ 150
(1706 ~ 2133)		 130 ~ 150
(1849 ~ 2133)		 140 ~ 160
(1991 ~ 2275）
Back-Head
Pressure		 bar/
(psi)		 16.5
(235)		 16.5
(235)		 16.5
(235)
Blows Per Minute bpm 400 ~ 950 400 ~ 950 350~700
Tool (Chisel) Diameter mm
(in)		 75
(2.95)		 85
(3.34)		 100 
(3.94)
Hose Diameter in 1/2 3/4 3/4
* Specifications of Rockage hydraulic tools are subject to change without notice.

 

 

Postdriver - Small Range


SPECIFICATION Unit SK20 SK30 SK40
Operating Weight kg
(lbs)		 65 
(143)		 73
(160)		 142
(312)
Overall Length mm
(in)		 1190 
(44)		 1604 
(63)		 1788 
(70)
Oil Flow Requirement l/min
(gpm)		 20 ~ 40
(5.25 ~ 10.5)		 30 ~ 50
(7.9 ~ 13.2)		 40 ~ 90
(10.5 ~ 23.8)
Operating Pressure bar/
(psi)		 90 ~ 120
(1280 ~ 1706)		 90 ~ 120
(1280 ~ 1706)		 110 ~ 140
(1564 ~ 1990)
Back-Head
Pressure		 bar/
(psi)		 16.5
(235)		 16.5
(235)		 16.5
(235)
Blows Per Minute bpm 700 ~ 1200 600 ~ 1100 500 ~ 900
Tool (Chisel) Diameter mm
(in)		 45 
(1.77)		 53
(2.09)		 68
(2.68)
Hose Diameter in 1/2 1/2 1/2
* Specifications of Rockage hydraulic tools are subject to change without notice.
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