Replacement Maintenance SEAL KITS For Atlas Copco PB110 PB420 PB530 Breaker

Atlas Copco PB series hydraulic breaker SEAL KITS are integrated maintenance repair packages used to block hydraulic oil leakage and prevent sand dust impurities from entering the inner chamber of small and medium PB rock breakers. This full sealing set fits all mainstream models PB110 PB160 PB200 PB210 PB310 PB420 and PB530 matched with 3–12 ton excavators for landscaping and urban construction projects.

We supply multiple professional sealing materials adapting different working temperature and hydraulic oil environments covering NBR HNBR FKM Viton PU PTFE EPDM with customizable material combinations upon demand. Each complete SEAL KITS includes piston seal wear seal dust seal o ring back up ring buffer seal and guide ring to cover all sealing positions of the breaker main body nitrogen chamber and front housing.

NBR delivers cost effective oil resistance for regular municipal construction conditions. FKM Viton withstands high temperature high pressure hydraulic oil for continuous heavy load operation. PU seal features superior wear resistance while PTFE back up rings avoid seal extrusion under extreme hydraulic pressure.

All sealing parts are precision compression molded with tight dimensional tolerance for direct OEM replacement without trimming. Installing intact SEAL KITS effectively eliminates internal and external oil leakage reduces hydraulic pressure loss and protects piston cylinder guide bushing and other core metal components from dust sand and hydraulic medium corrosion.

Suitable for small quarry rock breaking concrete demolition foundation trimming asphalt cutting and municipal road renovation works. Every batch of SEAL KITS passes oil immersion aging test compression deformation test and assembly matching inspection to reach original equipment interchange standards.

We maintain full stock of all PB series SEAL KITS specifications supporting small repair retail orders and large volume wholesale orders. Custom combined seal packages can be produced according to customer special maintenance demands for global machinery maintenance factories and spare parts dealers.

Hydraulic Breaker Hammer Chisel of Shipping photos

Hydraulic Breaker Hammer Chisel of factory photos

Workers Inspecting Hydraulic Breaker Chisels

Heat Treatment Process of Hydraulic Breaker Chisels

We also provide other brands of hydraulic breaker spare parts