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SBU+150 / SBU+160 / SB160 / SB147P Hydraulic Breaker Diaphragm (Accumulator Rubber Cup)

SBU+150 / SBU+160 / SB160 / SB147P Hydraulic Breaker Diaphragm (Accumulator Rubber Cup)

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Product Overview

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.

Product Specifications

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

Key Selling Points

1. 100% OEM Exact Replacement

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.

2. Reinforced Composite High-End Sealing Material

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.

3. Stable High Pressure & Zero Gas-Oil Mixing Performance

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.

4. Anti-Extrusion Edge Design for Longer Service Life

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.

5. Rigorous Factory Full Inspection

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.

6. Wide Application Scope

Specially matched to SOOSAN medium-large hydraulic breakers mounted on multiple construction equipment:

  • 18–36 ton medium & large excavators
  • Mining rock crushing machinery
  • Road demolition & concrete breaking equipment
  • Tunnel engineering crushing equipment
  • Heavy-duty mobile hydraulic rock hammer systems
  • Quarry and scrap metal dismantling machinery

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