ACCUMULATOR

The 551 694 46 ACCUMULATOR (55169446, 551-694-46, ACCUMULATOR 55169446) is a high-pressure hydraulic ACCUMULATOR block engineered for Sandvik drilling rigs. Designed for mining and tunneling duty, the 551 694 46 ACCUMULATOR stores and releases hydraulic energy to stabilize system pressure under rapidly changing drilling loads.

This 551 694 46 ACCUMULATOR absorbs and moderates hydraulic shock loads generated by feed cylinders, rotation drives, and impact systems. By damping pressure spikes, 55169446 protects pumps, seals, hoses, and valve assemblies from cavitation, vibration, over-pressurization, and machine-oil aeration. The identifiers 55169446 and 551-694-46 are commonly used catalog variations for the same assembly.

The 551 694 46 ACCUMULATOR maintains consistent hydraulic delivery to rotation, percussion, and feed systems, improving drilling accuracy, penetration rate, and equipment smoothness. Stable ACCUMULATOR response minimizes system fatigue and contributes to longer component life in harsh mining environments.

Inspect the 551 694 46 ACCUMULATOR for nitrogen loss, shell fatigue, leakage, or diminished damping performance. Replace 55169446 immediately if pulsation increases or ACCUMULATOR response becomes delayed. Follow OEM nitrogen precharge specifications and hydraulic bleeding procedures for correct installation.

Also indicated as 55169446, 551-694-46, and ACCUMULATOR 55169446, this hydraulic ACCUMULATOR block is widely chosen for OEM-standard performance and good-price replacement options for Sandvik machinery.