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{"title":"Abrasion Proof Diaphragm Rubber Seal \/ Membrane Seal High Performance","imgUrl":"https:\/\/img.chinax.com\/nimg\/a5\/1f\/2fb6283bbd488132cf95bf5c1a1d-200x200-1\/abrasion_proof_diaphragm_rubber_seal_2f_membrane_seal_high_performance.jpg","attrs":{"Brand Name":"Huilian","Model Number":"CATEEEEEEE H180 Diaphragm","Place of Origin":"China","Minimum Order Quantity":"1"}}
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The MES2500 MES300 MES550 hydraulic breaker diaphragm membrane is a high-quality replacement part designed for hydraulic hammer systems. Manufactured from 90 Shore A Polyurethane (PU), this heat-resistant membrane ensures reliable performance in demanding construction appliCATEEions.
About Koko Shop Machine Co., Ltd
Koko Shop Machine Co., Ltd specializes in hydraulic seals and seal kits for hydraulic hammer rock breakers, hydraulic excavators, wheel loaders, and JCB backhoe loaders. We also supply engine parts, hydraulic piston pumps, travel motors, swing motor assemblies, and various hydraulic components.
Why Choose Our Diaphragm Membranes?
Flexible membrane that seals and isolates enclosures
Allows pressure effects to cross the barrier while containing materials
Protects pressure sensors from measured fluids
Custom configurations available for unique appliCATEEions
Versatile materials with reinforcement options
In-mold bonding capability for metal or plastic substrates
Q1: What materials are your breaker seals (especially the main piston seal/u-cup) made of? Why is this important?
Our seals are primarily made from High-Grade Nitrile Rubber (NBR) or Polyurethane (PU/AU), chosen for their critical properties:
NBR (Standard): Excellent resistance to hydraulic oils (mineral & synthetic), good abrasion resistance, wide temperature range (-30°C to +100°C), cost-effective. Ideal for most standard appliCATEEions.
Polyurethane (Premium): Superior abrasion resistance, higher tensile strength, better extrusion resistance under high pressure/pulse, good oil resistance. Recommended for high-impact, high-pressure breakers or harsh conditions.
The right material ensures longevity, prevents leaks, maintains hammer efficiency, and avoids costly downtime and oil contamination.
Q2: What warranty do you offer on your hydraulic breaker seal kits?
We offer a 3 months warranty against manufacturing defects (e.g., material flaws, incorrect dimensions) from the date of shipment.
Q3: What critical seals are included in the BRV43 kit?
The kit contains all seals required for a full rebuild:
Main Piston U-Cup (Nitrogen & Oil Side)
Upper/Lower Chamber Seals
Accumulator Piston Seals & O-rings
Valve Block Seals
Wiper Seals (Dust Guards)
Backup Rings (Anti-Extrusion)
All gaskets and specialty O-rings
Q4: What's the delivery time?
1-7 days with stock, 7-15 days for big orders or when materials are lacking.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Distributor/Wholesaler
Year Established:
2010
Total Annual:
20000000-30000000
Employee Number:
>100
Ecer Certification:
Verified Supplier
Guangzhou Huilian Machine Equipment Co., Ltd (Koko Shop Machine) found in 2009, is a professional supplier who is specializd in construction machinery parts for excavator and attachments, including Hydraulic Hammer, Hydraulic Breaker Spare Parts, Quick Coupler, Hydraulic Grab, Ripper, Vibrator,... Guangzhou Huilian Machine Equipment Co., Ltd (Koko Shop Machine) found in 2009, is a professional supplier who is specializd in construction machinery parts for excavator and attachments, including Hydraulic Hammer, Hydraulic Breaker Spare Parts, Quick Coupler, Hydraulic Grab, Ripper, Vibrator,...