Huilian SB81TRF Diaphragm — Durable Breaker Replacement

The Huilian SB81TRF diaphragm is an OEM-quality replacement for excavator breakers. Built for durability and precise fit, it reduces downtime and maintenance costs. Made by Huilian — serving 90+ countries since 2005.
Brand Name
Huilian
Part Name
Hydraulic Breaker Diaphragm
Suitable for Breaker Brand
SOOSAN
Breaker Model
SB81 SB81A SB81TS-P SB81TSP SQ80 SB81TR-F SB81TRF
Related Parts
Seal Kit, Piston, Piston Ring, Accumulator, Sleeve Valve, Chisel, Back Head, Stop Pin, Rod Pin
Material
HNBR
Tool
140
Hardness
70degree-85degree
Temperature
-35~135°C
Pressure
85-125Mpa
Position
Hydraulic Breaker Accumulator System
Certification
ISO9001
INQUIRY
Product Description

Product Overview

The Huilian SB81TRF diaphragm is a high-quality replacement part designed for excavator breakers. Manufactured by Guangzhou Huilian Machinery Co., Ltd., this diaphragm offers reliable sealing performance, consistent pressure response, and long service life. Huilian, founded in 2005, is a leading OEM supplier of excavator parts and exports to over 90 countries.

Key Features

  • OEM-grade material for superior wear and tear resistance
  • Precision molding for exact fit and reliable sealing
  • Consistent elasticity to maintain hydraulic performance
  • Strict quality control and endurance testing

Practical Benefits

The SB81TRF diaphragm brings immediate value to operators and maintenance teams. It minimizes leaks, stabilizes breaker pressure, and reduces the frequency of part changes. With a tight fit and predictable behavior, this diaphragm helps lower downtime and overall repair costs.

Easy Installation & Compatibility

Designed for straightforward replacement, the SB81TRF diaphragm installs quickly with basic tools. Clear dimensions and consistent quality ensure fit compatibility with the intended breaker models, helping technicians finish repairs faster and get machines back to work.

Quality You Can Trust

Huilian's experienced R&D and QC teams oversee production from material selection to final testing. Every diaphragm undergoes performance checks to meet industry expectations. Our parts are made in China with global standards and backed by after-sales support to ensure customer satisfaction.

Who Should Choose This Diaphragm?

- Contractors and fleet managers looking to reduce maintenance costs.
- Repair shops needing reliable, ready-to-install replacement parts.
- Distributors seeking dependable OEM parts for resale.

About Huilian

Since 2005, Huilian Machine has produced a wide range of breaker parts — including hammers, chisels, seals, pistons, and diaphragms. We are committed to becoming a global leader in excavator parts supply and welcome distributor partnerships to promote sustainable industry growth.

Discover more or request a quote at https://www.huilianmachine.com/.

Product Images

  • SB81 autox diaphragm
  • SB81 bks diaphgam
  • SB81 bks membrane

Certificate display

  • Certificate-0

    Certificate of Honor

  • Hydraulic-Breaker-CE-Certificate

    Hydraulic-Breaker-CE-Certificate

  • Certificate-3

    ORI Certificate

Q&A

What is your shipping and delivery time?

We offer fast and reliable global shipping. Delivery times vary depending on location and order size, but we strive to process and ship orders as quickly as possible.

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.

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.

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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Guangzhou Huilian Machines Co., Ltd
1st Floor, No. 389, Zhongshan Avenue East, Huangpu District, Guangzhou, Guangdong, China.
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