Hydraulic Accumulator Applications by Industry

• Blowout Preventer (BOP) Control Systems — Large banks of bladder accumulators form the energy storage backbone of BOP hydraulic control systems. They must deliver immediate, reliable fluid volume during a well control event with no pump assistance.

• Offshore Platform Hydraulics — Deck cranes, wellhead control panels, subsea control modules, and topsides process equipment all rely on hydraulic accumulators for surge suppression, emergency power, and pressure stabilization.

• Pipeline Pressure Management — Accumulators absorb hydraulic surges created by valve closures and pump starts along transmission pipelines.

Subsea Systems — DNV and ABS certified units are available for subsea applications. Contact Paquin for specifications.

• Stamping Press Circuits — Accumulators supplement pump flow during the high-demand press stroke, allowing a smaller pump and motor to handle peak force requirements. Dramatically reduces energy draw and pump wear.

• Injection Molding Machines — Energy storage accumulators provide rapid-response clamping and injection force, shortening cycle times and improving shot consistency.

• Hydraulic Power Units (HPUs) — Every HPU benefits from an accumulator for energy storage, pulsation dampening, and emergency pressure hold. Bladder accumulators are the standard choice for most HPU configurations.

Material Handling Systems — Shock absorption accumulators protect cylinders and actuators from impact loading in conveyor, lift, and transfer systems.

• Ride Control Systems — Accumulators mounted in the boom circuit of wheel loaders, telehandlers, and rough-terrain forklifts absorb ground-induced oscillations, reducing operator fatigue and improving travel speed.

• Agricultural Tractor Hydraulics — Energy recovery and peak power assist for hitch control, implement actuation, and front loader circuits on tractors and combines.

• Excavator & Loader Hydraulics — Boom and bucket circuit accumulators for energy recovery and shock absorption on construction equipment.

• Utility & Forestry Vehicles — Pulsation dampening and pressure stabilization for grapple, winch, and blade hydraulic circuits.

• Turbine Governor Systems — Accumulators provide the immediate hydraulic energy needed for rapid turbine speed control and load rejection during grid disturbances.

• Emergency Shutdown Systems (ESD) — A charged accumulator bank ensures that safety valves, isolation valves, and shutdown actuators operate even during total power loss.

• Hydroelectric Plant Controls — Gate control, bypass valve actuation, and turbine inlet valve positioning all rely on hydraulic systems with accumulator energy storage.

• Wind Energy — Nacelle pitch control systems use accumulators for emergency feathering in the event of grid loss or control failure. This is a major application for Accumulators Inc.

• Deck Crane Hydraulics — Anti-sway and load-sensing systems use accumulators to smooth pressure fluctuations and provide emergency lowering capability.

• Ship Steering Systems (Steering Gear) — Accumulator banks provide emergency energy storage in steering gear hydraulic systems, required by classification societies.

• Offshore Mooring & Tensioning Systems — Constant-tension mooring winches and riser tensioners use large accumulator banks to maintain cable tension through wave-induced vessel motion.

• Subsea Control Modules (SCMs) — Subsea accumulator banks provide local hydraulic energy for subsea tree actuations, chemical injection valves, and emergency functions at depths exceeding 10,000 feet.

• Chemical Dosing & Injection Systems — Accumulators dampen pump pulsation in dosing circuits, ensuring consistent chemical injection rates and protecting precision metering equipment.

• Pulp & Paper Press Controls — High-force hydraulic pressing circuits in paper machines use accumulators for energy storage, consistent nip pressure, and peak demand supplementation.

• Water & Wastewater Treatment — Pressure management, pump protection, and pulsation dampening in treatment plant hydraulic and water systems.

• Food & Beverage Processing — Stainless steel and special-material accumulators available for hygienic applications. Contact Paquin for material specifications.