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        Hydraulic Rock Breaker For 20 Ton Excavator



        RHB Series Hydraulic Breaker

        1.Durable Parts, long Lifetime

        2.Optimized Design, Superior performance

        3.Centralized Lubrication System with Auto grease device(AGD)(Optional)


        Box-Slienced Type

        1.Reduce noise

        2.Protect the enviroment

        Top Type 

        1.Easy to locate and control

        2.More conductive to excavator

        3.light weight, the lower risk of broken drill rod

        Side Type

        1.Overall length shorter

        2.Hook back objects conveniently

        3.Easy maintenance


        SPECIFICATION OF RHB SERIES HYDRAULIC BREAKER


        · Good quality raw material

        · The precision of them is less than 0.05mm 

        · The precision of seal groove is 0.03mm , to increase the piston's life

        · Our cylinder(More than 20T), subzero treatment after heat treatment . It is will be lower deformation and less scratch

        · We have Vertical grinding machine (used for more than 30T) to ensure the precision of piston , straightness accuracy. To improve performance and stability 

         

        Control Valve

        1.Special design
        2.The tolerance between valve and valve sleeve is 0.02-0.03mm(20T)

        Warranty: 12 months

        Rod Pin & Side Pin

        1.42CrMo
        2.Vacuum heat treatment in order to expanded service life, avoid broken

        Warranty: 3 months

        Throught Bolt

        1. Special material to improve service life

        Warranty: 6 months 

        Seal Kits

        1.Original Seal Kits Nok
        2.Excellent wearability and improve the breaker's life

        Warranty: 3 months

        Front cover&Ring bush

        1.42 CrMo to ensure perpendicularity
        2.Vacuum heat treatment in order to expand service life, avoid broken

        Warranty: 6 months

        Chisel

        1.42CrMo,Durable and not easy to get rusty
        2.The top hardness 53-55HRC
        the back hardness 45HRC

        Chisel:


        Soild rock(Granite, Diabase, Gneiss): Blunt or wedge chisel more useful

        Soft rock(Limestone, Coal, Shale): Moil, conial or wedge chisel more useful

        Piston:

         

        Warranty: one year

        1. Special material:durable and longer service life.(20CrNiMoA)

        2. For larger model, we use special technology, avoid crack. It will be as good as new after six months if you opearte correctly.
        3.Vacuum heat treatment, we control the temperature and time of annealing furance by computer and workers. To ensure durable performance and perfect quality.
        4.After heat treatment, we use Asubzero treatment in order to reduce the deformation and not easy scratched ( below zero 130℃).
        5.The piston's precision is 0.005mm and concentricity is 0.005-0.006mm. It ensures beating force.
        6.The distance between cylinder and piston:
        20T 0.05-0.06mm 30-40T 0.06-0.065 40T 0.065-0.07mm

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        公司地址:高安市新街鎮(江西省建筑陶瓷產業基地)

        聯系電話:0795-2092988   2096588 

        傳      真: 0795-2092688

        手      機: 13870557388

        聯 系 人: 賈總

        電子郵箱: 1357600151@qq.com

        公司官網: www.xhget.com

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