33-99No. Mufu E Rd. Gulou District, Nanjing, China [email protected] | [email protected]
33-99No. Mufu E Rd. Gulou District, Nanjing, China [email protected] | [email protected]
Product Overview
This heavy‑duty accumulator cup diaphragm is specially engineered for Sandvik HL600 and HL810T hydraulic rock drills. It acts as the core isolating component between high‑pressure nitrogen gas and hydraulic oil inside the accumulator. Manufactured from high‑strength reinforced HNBR composite rubber material, the diaphragm delivers outstanding fatigue resistance, oil resistance and anti‑burst performance. It perfectly replaces original Sandvik OEM diaphragm parts, solves common failures such as gas‑oil mixing, accumulator pressure loss and weak percussion power, and extends rock‑drill service life under continuous high‑frequency impact mining operations。
Product Specifications
Item |
Detailed Parameter |
Product Name |
Sandvik HL600 / HL810T Rock Drill Cup Diaphragm |
Applicable Model |
HL600, HL810T Hydraulic Rock Drill |
Compatible Series |
Sandvik HL‑series Hydraulic Rock Drifter |
Main Material |
Reinforced HNBR Composite Rubber with Fabric Reinforcement |
Max Working Pressure |
42MPa |
Working Temperature |
-35°C ~ +130°C |
Kit Contents |
1pcs Cup Diaphragm (Accumulator Membrane) |
Cross Reference OEM No. |
15225488, 15235798 |
Net Weight |
Approximately 0.42kg |
Applicable System |
Hydraulic nitrogen accumulator system for rock drill |
Warranty |
12 Months |
Key Selling Points
1. 100% Exact OEM Replacement.
Fully interchangeable with original Sandvik HL600 / HL810T rock drills, matches OEM part numbers 15225488 and 15235798. No modification required for direct field installation。
2. High‑Performance Reinforced Diaphragm Material.
Adopts fabric‑reinforced modified HNBR rubber. Excellent anti‑fatigue property for millions‑times high‑frequency impact cycles, resistant to hydraulic‑oil swelling, aging and burst, stable performance from ‑35°C up to 130°C working environment。
3. Strict Gas‑Oil Isolation & Stable Percussion Performance.
Each diaphragm is pressure‑cycling tested under 42 MPa maximum working pressure. Effectively prevents nitrogen‑hydraulic‑oil mixing, maintains stable accumulator pre‑charge pressure, guarantees consistent rock‑drill impact energy and avoids power drop during heavy drilling work。
4. Heavy‑Duty Anti‑Fatigue Construction.
Optimized cup‑shaped structural design, uniform stress distribution during repeated deformation. Resists crack initiation and rupture under continuous high‑frequency percussion, reduces unexpected field breakdowns and lowers equipment downtime cost.
5. Rigorous Factory Quality Control.
Every cup diaphragm goes through hydraulic fatigue test, burst‑pressure inspection and air‑tightness test before delivery. Meets OEM performance standards for reliable long‑term mining‑site operation.
6. Application Scope.
Designed for Sandvik HL600 / HL810T hydraulic rock drills deployed on various heavy‑duty drilling equipment:
• Underground mining drill jumbos
• Open‑pit rock drilling rigs
• Tunnel excavation drilling equipment
• Hydraulic rock drill for bolting & blasting holes
• Metallurgical mine excavation machinery
• Hard‑rock drilling projects
• High‑frequency impact heavy‑duty mobile drilling machines
Welcome to HOVOO, a Chinese seal factory. Production of PU, Rubber and PTFE seals. The seals include O-ring, piston seal, rod seal, Gray ring and gas seal.
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