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This heavy-duty accumulator diaphragm rubber cup is specially customized for SOOSAN SBU+150, SBU+160, SB160, SB147P hydraulic rock breakers, the core sealing component of breaker nitrogen accumulators. It adopts reinforced fabric-embedded HNBR/FKM composite rubber, featuring outstanding impact fatigue resistance, hydraulic oil resistance and wide temperature adaptability. It effectively isolates nitrogen and hydraulic oil, solves common faults such as accumulator air leakage, striking power drop, abnormal hammer noise and premature seal aging, and greatly extends the continuous working life of medium & large hydraulic breakers under mining, demolition and heavy crushing conditions.
Item |
Detailed Parameter |
Product Name |
SOOSAN SBU+150 SBU+160 SB160 SB147P Breaker Accumulator Diaphragm Rubber Cup |
Applicable Models |
SBU+150, SBU+160, SB160, SB147P SOOSAN hydraulic breaker |
Matching System |
Hydraulic breaker nitrogen accumulator assembly |
Main Material |
Fabric-reinforced imported HNBR + FKM fluororubber composite |
Max Working Pressure |
130MPa |
Working Temperature |
-35°C ~ 130°C |
Product Composition |
Integral dome rubber diaphragm, reinforced anti-extrusion edge |
Cross Reference OEM No. |
SBU150-DIA, SBU160-DIA, SB160-DIA, SB147P-DIA |
Net Weight |
Approximately 1.1kg per piece |
Hardness |
82±5 Shore A |
Warranty |
12 Months |
Precision mold one-step forming, fully consistent with original SOOSAN diaphragm size, radian and edge thickness. Direct installation without trimming or modification, perfectly matching SBU+150/SBU+160/SB160/SB147P breaker accumulator cavity, eliminating fit clearance and hidden leakage risks.
Core diaphragm embedded with high-strength fabric layer, combined with imported HNBR/FKM dual rubber formula. Resists hydraulic oil, anti-aging, anti-fatigue stretch, withstands thousands of high-frequency impact reciprocations without cracking, far exceeding ordinary single-layer rubber diaphragms in service life.
Strictly tested under 130MPa extreme working pressure, the dome arc structure evenly distributes pressure impact. Completely isolates accumulator nitrogen chamber and hydraulic oil chamber, avoids air leakage, oil infiltration and striking force attenuation, keeps breaker output impact energy stable for long-term heavy-load operation.
Thickened reinforced edge with anti-extrusion structure, prevents rubber from being squeezed and torn under instantaneous pressure fluctuation. Suitable for harsh working conditions including mine rock breaking, concrete demolition, road reconstruction and high-frequency continuous hammering.
Every diaphragm passes air tightness, high-pressure fatigue, high-low temperature aging and hydraulic oil soaking tests before delivery, fully meets SOOSAN original equipment quality standards, stable and reliable for long-term industrial heavy-duty use.
Specially matched to SOOSAN medium-large hydraulic breakers mounted on multiple construction equipment:
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