Huilian SB81A Membrane — Durable Diaphragm for Hydraulic Breakers
Product Overview
The Huilian SB81A membrane is a high-quality diaphragm designed for hydraulic breakers and excavator hammer assemblies. Manufactured by Huilian, a trusted OEM supplier since 2005, this membrane ensures reliable sealing and stable performance under heavy use. It is engineered for durability, consistent operation, and easy maintenance—ideal for contractors, rental companies, and parts distributors.
Key Features & Benefits
- High-durability rubber compound for extended service life.
- Precision molding for consistent fit and performance.
- Excellent resistance to tearing, abrasion, and hydraulic fluids.
- Optimized design to maintain pressure balance and reduce leak risk.
- Simple replacement to minimize downtime and maintenance costs.
Practical Value
The SB81A membrane helps maintain breaker power and reliability. With fewer leaks and longer intervals between replacements, operators save time and cut operating costs. This part is especially valuable in tough jobsite conditions where uptime matters most.
Compatibility & Technical Notes
The membrane fits popular breaker models that require SB81A specification. For exact compatibility, check your breaker manual or contact Huilian’s technical team. Material and dimension standards meet OEM-level expectations for hydraulic breaker diaphragms.
Why Choose Huilian
Founded in 2005, Huilian Machine is a leading manufacturer of excavator breaker parts. Our product range includes breakers, chisels, seals and seal kits, diaphragms, pistons, wear bushes, retainers, bolts, valves, and liners. Our experienced R&D and QC teams ensure consistent quality. We export to over 90 countries and partner with global distributors to support sustainable industry growth.
Support & Warranty
Huilian provides technical support, easy ordering, and reliable after-sales service. We stand behind our parts—contact us for warranty details, bulk pricing, and distributor opportunities.
Visit https://www.huilianmachine.com/ to learn more or request a quote for the SB81A membrane.
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Certifications
Certificate of Honor
ORI Certificate
Certificate of Honor
Q&A
Are your parts compatible with all excavator brands?
Yes, our parts are designed to be compatible with major brands like Komatsu, Caterpillar, Hitachi, Hyundai, Doosan, JCB, Kobelco, Sany, and many more.
What types of excavator parts do you offer?
We provide a wide range of high-quality excavator parts, including hydraulic breakers, chisels, seal kits, diaphragms, pistons, wear bushes, retainer bars, through bolts, side bolts, valves, and liners.
How can I ensure I’m selecting the right part for my equipment?
Our expert team can assist you in finding the right part based on your machine model, specifications, and requirements. Contact us for personalized support.
Do you offer OEM and aftermarket parts?
Yes, we manufacture high-quality OEM parts and supply aftermarket parts from top brands such as NOK, Parker, SKF, and Hallite to ensure optimal performance.
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