HYSF RMG4MPD Underwater Male Dummy Plug – RM Series 4 Contacts Subsea Protective Cap

Plug Color Configuration Standard matte black Chloroprene rubber body with precision-molded sealing face for optimal underwater visibility and corrosion resistance. The RMG4MPD features gold-plated brass dummy pins and a robust black finish that perfectly matches the entire HYSF RM Series, allowing quick visual identification during ROV/AUV operations and offshore maintenance while providing professional, high-contrast appearance in deep-sea environments.

Main Parameters

• Depth Rating: 6000 meters
• Mating Cycles: >500
• Temperature Range: -4°C to +60°C
• Electrical Protection: Fully sealed dummy configuration protects female sockets from water, dust, and mechanical damage
• Pressure Resistance: Designed for extreme subsea conditions
• IP Rating: IP68 / full underwater submersion protection Ideal for protecting unused or stored RM Series female connectors (RMG4FS / RMG4FSD) during deployment, storage, transport, and long-term submersion.

Material Parameters

• Connector Body: High-performance Chloroprene rubber for superior flexibility and watertight sealing
• Dummy Pins: Gold plated brass for corrosion resistance and dimensional accuracy
• O-Rings: Nitrile (NBR) for reliable long-term sealing performance
• Nuts & Washers: Stainless steel (optional 316L upgrade available)
• Locking Sleeve: Premium POM (Polyoxymethylene)
• Optional Shell: 316L stainless steel or titanium for maximum durability in aggressive marine environments All materials are marine-grade and selected for outstanding resistance to saltwater, high pressure, UV, and chemicals.

Dimension & Thread Specifications RMG4MPD Male Dummy Plug:

• Overall Length: 56 mm
• Pin Section Length: 15.9 mm
• Maximum Diameter: Ø12.75 mm
• Compact and robust design for secure mating with RM Series female connectors
• Thread Compatibility: Metric threads, fully compatible with HYSF locking sleeves (G-FLS-D / G-MLS-D) and recommended mounting holes
• Dimensions in mm (1 inch = 25.4 mm)

Precision-engineered to HYSF standards for perfect fit and sealing with the full RM Series ecosystem.

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The HYSF RMG4MPD is the essential protective solution for RM Series 4-contact female underwater connectors in offshore oil & gas, marine renewable energy, underwater robotics, oceanographic research, and scientific applications. Fully compatible with RMG4FS, RMG4FSD, RMG4MP, and the complete RM Series lineup. Custom thread lengths, shell materials (stainless steel/titanium), and full connector kits available. Contact HYSF for your complete subsea connector protection needs.