HYSF SFPBOF4M Standard 4-Pin Male Open-Face Wet-Mate Underwater Connector

The HYSF SFPBOF4M is a standard 4-pin male open-face wet-mateable bulkhead connector developed for pressure-balanced oil-filled (PBOF) or fuel hose systems in subsea interventions. Allows safe underwater mating and demating without system drainage, ideal for ROV multi-tool operations, hydraulic umbilicals, offshore maintenance, and deep-sea tooling requiring reliable wet-pluggable multi-channel connections. Features gold-plated contacts and proven sealing technology for superior performance and corrosion protection at extreme depths. HYSF offers professional standard wet-mate underwater connectors from China.