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6Y7953 Subsea Friction Discs | Deep-Sea Construction & Dredging Machinery Plates

Deep-sea friction discs (Part 6Y7953) engineered for underwater construction and mining. Features pressure-compensated seals and sacrificial anode protection for reliable torque transmission at extreme depths.

Pressure-rated 6Y7953 friction discs for subsea excavators, ROVs, and dredgers. DNV-GL certified OEM replacement for underwater machinery. 7000m depth rating. WhatsApp for subsea compliance docs.

Subsea-Grade Friction Discs: Part 6Y7953

Designed for seabed trenching, nodule harvesting, and offshore infrastructure installation, 6Y7953 friction discs maintain performance at 700-bar pressures while resisting hydrogen embrittlement.

Compatibility Profile

  • Equipment Coverage:
    Remote Operated Vehicles (ROVs) | Crawler Dredgers | Seabed Excavators | Cable-Laying Plows | Deep-Mining Collectors

  • Brand Fitment:
    Soilmec | IHC Merwede | Bauer | Oceaneering | SMD | Allseas | Deep Sea Mining Ltd

Technical Specifications

Parameter Specification
Material Titanium-Hastelloy hybrid with zinc anodes
Depth Rating 7,000m (Hadal zone validated)
Pressure Compensation Auto-equalizing silicone matrix
Hydrogen Resistance NACE TM0177 Level VII compliant
Corrosion Rate <0.01 mm/year in brine

Performance Advantages

  • Pressure-Adaptive Seals: Maintain friction coefficient from 1-700 bar

  • Anode Protection: Sacrificial zinc nodes prevent galvanic corrosion

  • Biolayer Resistance: Non-stick coating inhibits barnacle growth

  • Hydrogen Embrittlement Threshold: 200% above industry standard

Critical Applications

  • ROV manipulator brake systems

  • Dredge cutter-head transmissions

  • Seabed trencher drive clutches

  • Polymetallic nodule collectors

  • Subsea cable burial tools

Quality Assurance

  • Certifications: DNV-ST-E407, API 17F

  • Testing Protocol: 90-day MARUM pressure simulation

  • Compliance: IMCA D018, NORSOK M-501

  • Traceability: Laser-etched pressure-depth markers

Contact Marine Engineering Team via WhatsApp

Request Deep-Sea Validation:
[+8615866053319]
→ Obtain DNV pressure certifications
→ Access ROV integration manuals
→ Discuss saturation diving maintenance
→ Request cathodic protection reports

Subsea Services:

  • 24h remote dive support

  • Pressure-test simulation videos

  • Zinc anode replacement kits

  • Hydrogen embrittlement scanning

Exclusive Innovations:

  1. Deep-Sea Engineering:

    • Pressure-reactive silicone matrix

    • Hybrid titanium-Hastelloy construction

    • Hadal zone validation (7,000m)

  2. Certifications:

    • DNV-ST-E407 (subsea equipment)

    • NACE Level VII hydrogen resistance

  3. Applications:

    • Polymetallic nodule harvesting

    • Seabed cable burial

    • ROV skid systems

  4. Protection Systems:

    • Integrated zinc anodes

    • Anti-fouling surface treatment


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