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 repair kit is custom engineered for Rammer S82/S83/S84 hydraulic rock breakers, widely fitted on medium & large excavators for demolition, mining and rock crushing operations. The full set includes accumulator rubber diaphragm, piston cup, O-rings, gaskets, PU backup rings and dust seals for complete breaker overhaul maintenance.
Manufactured with imported high-performance HNBR hydrogenated nitrile rubber and reinforced PU composite, the kit delivers outstanding oil resistance, anti-fatigue, tear resistance and high-pressure flexibility. It fully matches original Rammer OEM dimensions, solves common failures including nitrogen leakage, insufficient impact force, diaphragm rupture and hydraulic oil cross-contamination, and greatly extends breaker service life under continuous high-frequency impact working conditions.
Item |
Detailed Parameter |
Product Name |
Rammer S82/S83/S84 Hydraulic Breaker Diaphragm & Piston Cup Seal Kit |
Applicable Model |
Rammer S82 / S83 / S84 Medium Hydraulic Rock Breaker |
Compatible Series |
Rammer S Series Hydraulic Demolition Hammers |
Main Material |
Imported HNBR Hydrogenated Nitrile Rubber + Reinforced PU Backup Ring |
Max Working Pressure |
32MPa |
Working Temperature |
-25°C ~ 120°C |
Kit Contents |
Accumulator diaphragm, piston cup, O-rings, gaskets, PU backup rings, dust wiper seals, full overhaul sealing parts |
Cross Reference OEM No. |
172307, RAM-S82-S83-S84, 41241 |
Net Weight |
Approximately 1.1kg |
Applicable System |
Hydraulic breaker nitrogen accumulator energy storage system |
Warranty |
12 Months |
Fully dimensional compatible with original Rammer S82/S83/S84 hydraulic breakers, consistent with OEM part numbers 172307 and 41241. No cutting, grinding or modification needed for direct on-site replacement, perfect aftermarket substitute for original spare parts.
Core diaphragm and piston cup adopt high-performance HNBR hydrogenated nitrile rubber with special vulcanization molding process. It features excellent hydraulic oil corrosion resistance, low-temperature flexibility and high-temperature anti-aging performance, maintaining stable elasticity under -25°C to 120°C long-term operation.
All parts pass 32MPa ultra-high pressure cyclic impact fatigue testing. The thickened arc diaphragm structure resists thousands of high-frequency reciprocating deformations without tearing, effectively isolates nitrogen chamber and hydraulic oil circuit, eliminates gas-oil mixing and nitrogen leakage, and keeps stable breaker impact power.
Covers all sealing consumables required for full disassembly and maintenance of S82/S83/S84 breakers. Integrated diaphragm, piston cup and auxiliary seals in one kit, reduces spare parts matching time and lowers equipment downtime & maintenance cost.
Every seal set undergoes air tightness, high-pressure impact and aging endurance tests before delivery, fully meets Rammer OEM manufacturing standards. Stable consistent quality for long-duration heavy-load construction scenarios.
Designed for excavator-mounted Rammer S82/S83/S84 hydraulic rock breakers, widely used in the following heavy-duty working scenarios: • Municipal demolition & old building dismantling • Quarry rock breaking & mine secondary crushing • Highway road renovation, concrete pavement fragmentation • Tunnel excavation & mountain rock excavation • Foundation pit construction & trench digging • Metallurgy slag cleaning & furnace dismantling • Construction engineering mobile crushing 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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