33-99No. Mufu E Rd. Gulou District, Nanjing, China [email protected] | [email protected]
33-99No. Mufu E Rd. Gulou District, Nanjing, China [email protected] | [email protected]
This heavy-duty accumulator diaphragm cup is specially customized for MTB MTB36 hydraulic rock breakers, widely matched to medium-sized excavator crushing equipment. It is the core sealing component of the breaker energy storage chamber, isolating nitrogen gas and hydraulic oil completely.
Adopted imported reinforced PPDI composite fluororubber with high tensile interlayer structure, the diaphragm cup boasts outstanding anti-fatigue, oil resistance, high-pressure resistance and tear resistance. It thoroughly solves common faults such as nitrogen leakage, impact force attenuation, weak breaking power and frequent replacement of ordinary diaphragms, stabilizing breaker output power and greatly extending the service life of the whole breaker under long-time high-frequency impact working conditions.
Item |
Detailed Parameter |
Product Name |
MTB MTB36 Hydraulic Breaker Accumulator Diaphragm Cup |
Applicable Model |
MTB MTB36 Medium Rock Breaker |
Compatible Series |
MTB MTB Series Hydraulic Hammer |
Main Material |
Imported Reinforced PPDI Fluororubber Multi-layer Composite |
Max Working Pressure |
26MPa |
Working Temperature |
-30°C ~ 130°C |
Core Components |
Integral forming diaphragm, reinforced sealing edge, wear-resistant buffer layer |
Cross Reference OEM No. |
MTB-MTB36, HB3609001 |
Net Weight |
Approximately 0.42kg |
Applicable System |
Breaker nitrogen accumulator sealing system |
Warranty |
12 Months |
Fully dimensional consistent with original MTB MTB36 breaker diaphragm cup, matches OEM part numbers MTB-MTB36 and HB3609001. No cutting, grinding or modification required, direct quick installation to reduce maintenance downtime.
Core diaphragm adopts imported multi-layer PPDI fluororubber interlayer reinforcement technology, with ultra-high fatigue resistance. It maintains stable elasticity under -30°C to 130°C variable temperature hydraulic oil environment, anti-aging, anti-hydrolysis and anti-oil corrosion, effectively avoiding hardening and cracking.
Each finished product undergoes 26MPa ultra-high pressure air tightness and repeated stretch fatigue testing. It isolates nitrogen and hydraulic oil thoroughly, eliminates internal air leakage, keeps continuous stable impact force, avoids breaker power drop and ineffective hammering caused by air leakage.
Integral one-time vulcanization molding without splicing gaps, the thickened buffer edge reduces vibration abrasion during high-frequency impact. Single piece complete replacement accessory, no extra auxiliary gaskets needed, simplifies repair operation and lowers equipment maintenance cost.
All diaphragm cups pass air tightness, high-frequency stretching, high-low temperature aging and tear resistance tests before delivery, fully reaching OEM original factory quality standards, stable long-term performance under harsh construction site conditions.
Matched with MTB MTB36 hydraulic rock breakers equipped on multiple medium-sized construction machinery: • Medium excavators (6–12 ton class: SWE90, Liugong 908, Lovol 75, XCMG 80) • Road maintenance small crushing equipment • Municipal demolition & concrete breaking machinery • Quarry secondary rock crushing equipment • Foundation pit excavation & tunnel construction breakers • Heavy-duty mobile hydraulic crushing machinery
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