HYSF DLSD-M is a compact male locking sleeve with built-in dummy cap. Protects standard male bulkhead and inline connectors (BH2M to BH16M, MCBH series) from damage and contamination. Black Delrin design, 24 mm length, rated to 7000 m depth.
The HYSF DLSD-M is a **male locking sleeve dummy cap** that integrates the standard locking sleeve with a sealed protective cover for effortless connector maintenance. Expertly machined from durable black Delrin acetal, it threads directly onto any male bulkhead (BH2M–BH16M) or inline male connector, delivering secure locking and complete shielding in a single lightweight part.
This innovative design features a closed-end cap with O-ring seal to block silt, biofouling, and mechanical impacts when connectors are unmated. Its fully non-metallic construction ensures **70 MPa (7000 m)** pressure tolerance and zero corrosion risk, making it ideal for extended deep-sea deployments or harsh surface storage.
A perfect drop-in substitute for Subconn® DLSD-M, the DLSD-M is favored by subsea engineers and ROV pilots for simplifying operations and extending connector life. Quick to install, glove-friendly, and highly reliable in the toughest marine environments.
Model: DLSD-M
Brand: HYSF
Type: Male Locking Sleeve with Dummy Cap
Material: Black Delrin (POM) Acetal Resin
Thread: Standard Male Locking Sleeve Thread
Total Length: 24 mm
Outer Diameter: Ø34 mm
Inner Sealing: Integrated Closed-End Cap with O-Ring
Pressure Rating: 70 MPa (~7000 m depth)
Temperature Range: -20°C to 80°C
Weight in Air: 15 g
Weight in Water: ~6 g
Application: Protection of BH2M–BH16M Bulkhead Male, MCBH Inline Male Connectors
Corrosion Resistance: 100% Non-Metallic
Certification: ISO9001-2015
Compatibility: Subconn® Standard Circular DLSD-M
Place of Origin: Guangdong, China
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