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 & piston cup assembly is specially customized for Indeco hydraulic rock breakers MES3500, MES4000, MES5000, HP3000 and HP3500 series. It is the core energy storage sealing component of breaker nitrogen accumulator, fully isolating nitrogen chamber and hydraulic oil circuit.
Adopted imported high-performance reinforced polyurethane + modified FKM composite material, it features outstanding fatigue resistance, nitrogen tightness, high pressure and high temperature resistance. It perfectly replaces original Indeco OEM diaphragm & piston cup, solves common failures including nitrogen leakage, insufficient impact force, hammer power attenuation and frequent overheating, greatly extending breaker service life under long-term mining, demolition and heavy crushing working conditions.
Product Display
Item |
Detailed Parameter |
Product Name |
Indeco Hydraulic Breaker Accumulator Diaphragm & Piston Cup |
Applicable Model |
MES3500 / MES4000 / MES5000 / HP3000 / HP3500 Indeco Rock Breaker |
Compatible Series |
Indeco MES & HP Large Hydraulic Hammer Series |
Main Material |
Imported Reinforced PU + Modified FKM Fluororubber Composite |
Max Working Pressure |
35MPa |
Working Temperature |
-35°C ~ 130°C |
Kit Contents |
Integrated diaphragm, reinforced piston cup, auxiliary sealing gaskets, positioning retainer rings |
Cross Reference OEM No. |
3505030, IND-MES5000-DIA, IND-HP3500-MEM |
Net Weight |
Approximately 0.8–1.5kg (Model Dependent) |
Applicable System |
Hydraulic breaker nitrogen accumulator energy storage system |
Warranty |
12 Months |
Fully dimensional matched with original Indeco MES3500/MES4000/MES5000/HP3000/HP3500 breakers, consistent with OEM part numbers 3505030, IND-MES5000-DIA and IND-HP3500-MEM. No cutting, grinding or modification required for direct installation, compatible with original accumulator housing perfectly.
Core diaphragm and piston cup adopt reinforced polyurethane + modified FKM dual composite structure. Ultra-high anti-fatigue performance, withstand thousands of high-frequency reciprocating deformations per minute without cracking or permanent deformation. Excellent nitrogen isolation, hydraulic oil resistance, anti-aging and anti-corrosion performance, stable operation in -35°C ~ 130°C complex working environment.
All finished products pass 35MPa ultra-high pressure nitrogen tightness aging test. Effectively prevent nitrogen escaping and hydraulic oil mixing, maintain stable accumulator energy storage capacity. Constant impact output without power drop, eliminate hammer slow striking, weak breaking and frequent nitrogen refilling problems.
Complete supporting sealing accessories matched together, covering all consumable sealing parts required for accumulator overhaul. One-stop purchase reduces spare parts matching time, shortens equipment downtime and lowers overall construction operation cost.
Every diaphragm & piston cup undergoes raw material tensile test, high-frequency fatigue test, high-low temperature cycle test and air tightness test before delivery. Meet Indeco original factory quality standards, guarantee long-term reliable performance under heavy load mining and demolition operations.
Designed for Indeco large hydraulic breakers, widely applied on heavy construction machinery: • 20–45 ton large excavator rock crushing equipment • Mine stone quarrying & underground mining breakers • Highway road demolition & concrete crushing operations • Tunnel excavation hard rock breaking equipment • Waste scrap steel & building demolition hammer • Large mobile hydraulic crushing station equipment
Welcome to HOVOO, a Chinese seal factory. Production of PU, Rubber and PTFE seals. The seals include O-ring, piston seal, rod seal, Gray ring and gas seal.
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