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Made of 20CrMo material, using heat treatment process, durable.
The quality and tolerance of the hydraulic breaker sleeve valves directly affect the impact strength and service life of the breaker. Strict dimensional processing technology and an integrated quality inspection team ensure the quality of the hydraulic breaker reversing valve. Our hydraulic hammer control sleeve valves are used for hydraulic breaker of European and American brand series, and we accept OEM orders and produce on demand. Models range from chisel rod diameters 37 to 250, complete models, Quality Assurance.
| suits for excavator | diameter *height (mm) | suits for excavator | diameter *height(mm) |
| SB10 | 30*80 | SB60 | 65*166 |
| SB20 | 36*105 | SB81 | 75*174 |
| SB30 | 38*108 | SB81N | 70*175 |
| SB40 | 45*101 | SB100 | 75*202 |
| SB43 | 48*101 | SB121 | 90*203 |
| SB50 | 62*135 | SB151 | 105*243 |




Shandong Changhao Machinery Equipment Co., Ltd. is located in Shandong province,China. We are professional manufacturer of excavator attachments hydraulic breaker hammers,hydraulic breaker parts and other excavator attachments. We have our own production plant, covering an area of about 3000 square meters. Our workers are skilled in craftsmanship and rich in experience, coupled with the blessing of advanced machinery and equipment, the quality of the products delivered is safe and reliable.Our excavator attachemnts and excavator spare parts are always keep in high quality, reasonable prices and efficient delivery. We have exported our products to many countries. Our main markets are China, North America, South America, Asian countries, South Africa, Middle East, Europe, etc.. Our products are warmly welcomed by customers with high quality and competitive price.

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