Sargent Aerospace & Defense

Marine Hydraulic and Pneumatic Valvles, Sargent Aerospace and Defense

Sargent has been designing and manufacturing hydraulic valves for the US Navy since 1950. Sargent’s valve designs are specifically engineered for the rigors of surface and subsurface marine environments.

Marine hydraulic valves can be designed and manufactured in a variety of configurations:

• Electro-Hydraulic Servo Valves
• Pressure Reducing Valves
• Directional Control Valves
• Restrictor Valves
• Flow Control Valves
• Air Vent Valves

Sargent marine valves are designed to withstand the harsh nature of marine environments which include resistance to shock, vibration, harsh elements, and other conditions that are commonly encountered on marine vessels

Marine Rotary and Linear Actuators, Sargent Aerospace and Defense

Sargent has been designing and manufacturing hydraulic components for the US Navy since 1950. Sargent’s marine actuator products are specifically designed for the rigors of marine environments. Sargent leverages its century of experience designing hydraulic products when designing actuators for even the most demanding applications.

Sargent’s marine actuator line can be found in the following applications:

• Door actuation
• Ramp actuation and rotation
• Mast positioning
• Hatch positioning

Sargent marine actuators can be configured to address the following:

• High or low load capacity
• Various stroke lengths
• End of stroke mechanical cushioning
• Quiet operation
• Exposure to harsh environments

Marine Duplex Pumps, Sargent Aerospace and Defense

Sargent has been designing and manufacturing hydraulic components for the US Navy since 1950. Sargent’s duplex pump products are specifically designed for the rigors of marine environments. Sargent leverages its century of experience designing hydraulic products when designing pumps for even the most demanding applications.

Sargent’s duplex pump line can be found in the following applications:

• Wastewater handling
• Drain / discharge systems
• Desalination systems

Sargent marine duplex pumps have the following characteristics:

• Efficient
• Low or high flow rate designs
• Resistance to harsh environments
• Quiet operation

Hydraulic Actuators, Sargent Aerospace and Defense

Hydraulic actuators play a critical role on various aircraft system. From landing gears to outer doors, hydraulic actuators are the tool used to move heavy objects or surfaces exposed to high loads. Sargent has been supporting the aerospace industry with hydraulic actuators that perform for the life of the aircraft, or spacecraft, and routinely support ultimate loads in excess of 50,000 lbs.

Snubber rings can be Sargent utility actuators in aerospace applications: on landing gear used on:

• Landing gear extend, retract, downlock, uplock
• External doors
• Thrust reversers
• Wing fold / Rotor fold

Actuator Benefits include:

• Auto or manual mechanical locking
• Lock and position sensing
• Rate of motion control
• End of stroke damping

Hydraulic Valves - Sargent Aerospace and Defense

Hydraulic valves can be found throughout modern aircraft and are required to control hydraulic actuators. Sargent specializes in designing multi-position directional control valves. Sargent valves are designed to perform for the life of the aircraft or spacecraft.

Sargent hydraulic valve are commonly found in:

• Landing gear systems
• External doors
• Thrust reversers
• Rotor and wing fold systems

Valve characteristics include:

• Flow control and metering
• Directional control: 3000-5000 psi systems
• Multi-position: 2,3,4 way designs
• Pressure reducing designs available
• Swivel designs available

Hydraulic Filter Manifolds - Sargent Aerospace and Defense

Sargent designs and manufactures integrated filtration products for aircraft and spacecraft fluid hydraulic systems. Sargent’s manifolds are designed to operate efficiently in high pressure and flow environments while offering optimum protection from contaminants in the hydraulic fluid.

Sargent hydraulic valve are commonly found in:

• Aircraft hydraulics systems
• Spacecraft hydraulic systems
• Business jet hydraulic systems
• Rotorcraft hydraulic systems

Manifold characteristics can include:

• Integrated filter element
• Integrated bypass valves
• Weight saving designs
• On board pressure transducers and/or differential pressure indicators

Hydraulic Accumulators and Reservoirs, Sargent Aerospace and Defense

Hydraulic accumulators play a critical role in aerospace hydraulic systems by acting as a storage reservoir and transient buffer for the hydraulic system. Sargent’s gas charged piston accumulators are designed to absorb pressure transients from upstream sources and stabilize flow and pressure to downstream components thereby maintaining operational performance in the system.

Sargent hydraulic accumulators are commonly found in:

• Aircraft hydraulic systems
• Spacecraft hydraulic systems
• Business jet hydraulic systems
• Rotorcraft hydraulic systems

Hydraulic Accumulators characteristics include:

• Designs optimized for light weight
• Capable of operating in high pressure environments
• Piston can be designed with multiple seals
• Maintenance free
• Can be designed with pressure transducers

Hydraulic Dampers - Sargent Aerospace and Defense

Vibrations in aerospace systems can lead to system failures and it important to control vibration. Sargent’s hydraulic dampers are designed to control vibration and are designed and manufactured based on Sargent’s heritage in hydraulic actuation. Sargent’s patented rotor head damper features adaptable damping characteristics and proprietary bearing liner system that significantly reduces weight, increases service life, and system reliability even in harsh environments where other dampers fail.

Sargent hydraulic dampers are commonly found on:

• Rotor heads
• Nose landing gear

Damper characteristics include:

• Adaptable frequency helicopter rotor head damper
• Lightweight designs
• Long life rod end bearings
• Increased durability and long service life on rotor head

Hydraulic Relief Valves - Sargent Aerospace and Defense

Sargent relief valves are designed and manufactured to precise standards and protect sensitive components from overpressure. Relief valves are generally installed downstream of hydraulic flow/pressure sources and/or regulators to protect the system from a malfunction.

Sargent relief valves are commonly found in:

• Aircraft hydraulics systems
• Spacecraft hydraulic systems
• Rotorcraft hydraulic systems

Relief Valve characteristics include:

• Wide range of operating pressures
• Stable flow and low pressure drop
• Low internal leak rates
• Lightweight
• Variety of mounting options available
• Variety of seal materials available

Hydraulic Uplock / Downlock, Sargent Aerospace and Defense

Landing gears are critical systems in any aerospace platform. When the gear is stowed or deployed it is critical that the gear stays in that position, even if there is a failure in the hydraulic system. This is where uplock and downlock assemblies play a critical role. By leveraging manufacturing, structure knowledge, and hydraulic design selection, Sargent can support manufacturing of an entire assembly saving customers from having to source critical components from multiple suppliers.

Sargent uplocks / downlocks are commonly found in:

• Aircraft landing gear
• Spacecraft landing gear

Uplock / Downlock characteristics can include:

• Hydraulic component integration
• Status indication (depending upon design)
• Weight optimization