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Harken locking cylinders feature an adjustable mechanical lock threaded onto the rod that physically blocks rod movement and securely fixes its position independent of the boat’s pressure system. They are commonly used by large cruisers on extended passages to safely lock the rod during pressure release and to act as a safety backup for the hydraulic system.
Mechanical Lock: An adjustable lock is threaded onto the rod to physically block movement.
Independent Security: The lock securely fixes the rod position independent of the boat’s pressure system.
Extended Passages: Ideal for large cruisers on long voyages requiring reliable rod security.
Pressure Release: Safely locks the rod during pressure release operations.
Safety Backup: Acts as a redundant safety mechanism for the hydraulic system.
Specifications
• Brand: Harken
• Reference: HYCL080250475BCC
• Breaking load: 31207 kg
• - Size: -48
• Stroke: 475 mm
• Pin center length (closed): 1505 mm
• Volume: 2.11 L
• Volume: 129 in³
• Gap/pin Ø: 28.6 mm
• Bore Ø: 80 mm
• Rod Ø: 25 mm
• Maximum OD: 103 mm
• Pull force @ 1000 psi/69 bar: 3123 kg
• Pull force @ 2000 psi/138 bar: 6246 kg
• Pull force @ 3000 psi/207 bar: 9368 kg
• Pull force @ 4000 psi/276 bar: 12491 kg
• Pull force @ 5000 psi/345 bar: 15614 kg
• Weight 6061-T6 Aluminum: 22.52 kg






