33-99No. Mufu E Rd. Gulou District, Nanjing, China [email protected] | [email protected]

This heavy-duty accumulator diaphragm & seal cup repair kit is specially developed for Montabert BRP140 / BRP150-HIGH hydraulic rock breakers. It includes complete nitrogen chamber diaphragms, integral seal cups, auxiliary O-rings and wear-resistant backing rings for full accumulator overhaul.
Produced with imported high-strength HNBR and reinforced FKM fluororubber, the set features outstanding nitrogen resistance, anti-fatigue performance, abrasion resistance and high-pressure elasticity. It perfectly matches original Montabert spare parts, effectively solving common failures such as nitrogen leakage, insufficient impact force and unstable breaker output, and greatly extending the service life of breakers under long-term mining & demolition heavy loads.
Item |
Detailed Parameter |
Product Name |
BRP140 BRP150-HIGH Hydraulic Breaker Diaphragm & Seal Cup Kit |
Applicable Model |
Montabert BRP140 / BRP150-HIGH Heavy Rock Breaker |
Compatible Series |
Montabert BRP Series Medium & Large Hydraulic Hammer |
Main Material |
Imported High-Elastic HNBR + Reinforced FKM Fluororubber + Nylon Backup Ring |
Max Working Pressure |
42MPa |
Working Temperature |
-35°C ~ 130°C |
Kit Contents |
Accumulator diaphragm, integral seal cup, O-rings, gaskets, anti-wear backup rings, full overhaul accessories |
Cross Reference OEM No. |
86633922, BKB-178-050 |
Net Weight |
Approximately 1.5kg |
Applicable System |
Breaker nitrogen accumulator energy storage system |
Warranty |
12 Months |
Fully dimensional compatible with original Montabert BRP140 and BRP150-HIGH hydraulic breakers, matching OEM part numbers 86633922 and BKB-178-050. No cutting, grinding or modification required for direct assembly.
Core diaphragm and seal cup adopt modified HNBR & FKM composite rubber with enhanced tensile strength. Outstanding nitrogen permeation resistance, anti-aging and anti-fatigue properties, stable elastic performance within -35°C ~ 130°C wide temperature range.
All parts pass strict 42MPa fatigue impact cycle testing. Effectively prevent nitrogen chamber internal & external leakage, maintain stable accumulator energy storage, guarantee consistent breaker impact power and avoid weak striking faults.
Integrates all sealing and wearing parts needed for full accumulator maintenance. Complete matching accessories shorten on-site repair time and reduce equipment downtime & overall operation costs.
Every diaphragm seal kit undergoes air tightness, high-pressure fatigue and thermal aging tests before delivery, fully meets Montabert OEM quality standards, ensuring stable long-term performance in harsh construction & mining environments.
Designed for Montabert BRP140/BRP150-HIGH hydraulic breakers mounted on multiple heavy-duty engineering machines:
Copyright © Nanjing Hovoo Machinery Technology Co., Ltd All Rights Reserved