


This product is a DC-type cam-latched self-locking cover, also referred to in the industry as a quick-connect plugcover, dust-proof block cover, or male-end protection cap.






This product is a DC-type cam-latched self-locking cover, also referred to in the industry as a quick-connect plugcover, dust-proof block cover, or male-end protection cap. It is designed for use with Type A/E/F male quick-connect fittingsandachieves rapid self-locking sealing through dual-side spring handles, enabling easy installation and removal without tools.Itserves as a standard protective component for oil tankers, chemical fluid transportation systems, and oil loading/unloadingpipelines. Core Functions:
Dust protection: Idle pipelines and public connector ports are sealed to prevent dust, rainwater, and sediment fromenteringthe pipes, avoiding medium contamination;
Leak-proof sealing: Built-in rubber gaskets seal pipe openings during storage, transportation, and static periodstopreventresidual liquid leakage;
Rapid self-locking mechanism: Dual-sided pull-ring cam handles lock automatically upon engagement; simplylift theringfor quick unlocking, with assembly/disassembly completed in 3 seconds;
Corrosion-resistant durability: Cast from stainless steel in a single piece, suitable for corrosive environmentssuchaschemical industries, oil systems, and seawater;
Universal interchangeability compliant with international standards MIL-C-27487 and A-A-59326, ensuringcompatibilitywith rapid connectors of identical specifications worldwide.