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THBB200 HRB2000 TOYO2000 Diaphragm & Seal Cup Kit

THBB200 HRB2000 TOYO2000 Diaphragm & Seal Cup Kit

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Product Overview

This heavy-duty accumulator diaphragm & seal cup repair kit is custom engineered for TOYO THBB200, HRB2000 and TOYO2000 hydraulic rock breakers, widely matched to medium & large excavator hammer attachments for mining, demolition and road construction. The package contains complete accumulator diaphragm, nitrogen seal cup, auxiliary O-rings and gaskets for full breaker back head overhaul.

Constructed with imported high-strength HNBR and reinforced FKM fluororubber with fabric reinforcement, the kit delivers outstanding nitrogen sealing, oil resistance, high temperature fatigue resistance and anti-abrasion performance. It perfectly replaces original TOYO OEM rubber parts, solves typical faults including nitrogen leakage, striking power attenuation, unstable impact force and frequent diaphragm rupture, and greatly extends breaker service life under continuous heavy-load crushing operations.

Product Specifications

Item

Detailed Parameter

Product Name

TOYO THBB200 HRB2000 TOYO2000 Breaker Diaphragm & Seal Cup Kit

Applicable Model

THBB200 / HRB2000 / TOYO2000 Hydraulic Rock Breaker

Compatible Series

TOYO Medium-Large Hydraulic Hammer Series

Main Material

Imported Reinforced HNBR + FKM Fluororubber Fabric Diaphragm

Max Working Nitrogen Pressure

26.0MPa

Working Temperature

-30°C ~ 120°C

Kit Contents

Accumulator diaphragm, nitrogen seal cup, O-rings, back head gaskets, full overhaul rubber spare parts

Cross Reference OEM No.

TOYO-THBB200, TOYO-HRB2000, TOYO2000-DIA01

Net Weight

Approximately 0.42kg

Applicable System

Breaker accumulator nitrogen energy storage system

Warranty

12 Months

Key Selling Points

1. 100% OEM Precise Replacement

Fully dimensionally matched to original TOYO THBB200, HRB2000 and TOYO2000 hydraulic breakers, consistent with OEM part numbers TOYO-THBB200, TOYO-HRB2000, TOYO2000-DIA01. Direct installation without cutting, grinding or modification.

2. Reinforced High-End Sealing Material

Core diaphragm and seal cup adopt fabric-reinforced HNBR & FKM composite rubber, featuring ultra-high rebound, anti-fatigue, oil corrosion and high temperature aging resistance. Stable sealing performance maintained within -30°C ~ 120°C harsh construction environments.

3. Zero Nitrogen Leakage & High Pressure Fatigue Resistance

All rubber components pass 26.0MPa long-cycle nitrogen pressure fatigue testing. Effectively eliminate back-head nitrogen leakage, prevent continuous loss of striking energy, and maintain stable impact frequency and consistent breaking force during long-hour operation.

4. All-in-One Complete Maintenance Kit

Integrates all rubber sealing consumables required for accumulator disassembly and overhaul. One set covers full repair demands, cuts spare parts matching time and reduces equipment downtime and overall operation maintenance cost.

5. Strict Factory Multi-Round Quality Inspection

Every diaphragm & seal cup kit undergoes air tightness high-pressure test, thermal aging test and repeated impact fatigue test before delivery, fully meets TOYO OEM production standards, guarantees stable long-term reliability for heavy construction scenarios.

6. Wide Application Scope

Fit TOYO THBB200 / HRB2000 / TOYO2000 hydraulic breakers mounted on various heavy-duty construction equipment:

  • Medium & large excavators (20–36 ton class: Sany SY215, XCMG XE245, Liugong 926, Komatsu PC240, Hitachi ZX250)
  • Road construction & pavement crushing equipment
  • Mining rock secondary crushing machinery
  • Old building demolition & reinforced concrete breaking equipment
  • Tunnel excavation & foundation trench construction machinery
  • Mobile heavy-duty hydraulic crushing attachments

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