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Space · Precision · Engineering

Space Propulsion Products

Flight-proven propulsion and fluid management systems engineered for commercial, institutional and defense space missions.

Flight-proven propulsion and fluid management systems engineered for
commercial, institutional and defense space missions.

1200 +

Number of Units built

Made in

Europe

> 20 000 000

acummulated hours in orbit

High Pressure Flow Control Units

AST high pressure flow control unit (HP-FCU)

3 Variants

Electric Pressure Regulators

AST electric pressure regulator (EPR)

3 Variants

Low Pressure Flow Control Units

AST low pressure flow control unit (LP-FCU)

3 Variants

Cold Gas Thrusters

AST cold gas thruster

2 Variants

AST Space Components

AST space components product range

5+ Variants

Explore Our Product Families

Explore Our Product Families

A comprehensive portfolio of propulsion and fluid management technologies for modern spacecraft architectures.

A comprehensive portfolio of propulsion and fluid management technologies for modern spacecraft architectures.

High Pressure Flow Control Units
Electric Pressure Regulators
Low Pressure Flow Control Units
Cold Gas Thrusters
AST Space Components

High Pressure Flow Control Units

High Performance Fluid Management

The HP-FCU product family combines multiple critical fluid management functions into a compact and highly integrated unit. Developed for modern electric propulsion systems, these controllers reduce system complexity while maximizing performance.

KEY BENEFITS

Xenon, Krypton and future propellants

Up to 310 bar operating pressure

Compact integrated architecture

reduced complexity, mass and volume

Propellant management assembly with multiple valves on a base plate

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Download Datasheet

Product Variants

RADICAL

Heritage Product

XFS / KFS

Active Production

HP-FCU 2.0

Active Production

APPLICATIONS

Electric Propulsion

Ion Thrusters

Hall Effect Thrusters

Small Satellites

High Pressure Flow Control Units

Electric Pressure Regulators

Low Pressure Flow Control Units

Cold Gas Thrusters

AST Space Components

Low Pressure Flow Control Units

Precise Flow Control for Electric Propulsion

The LP-FCU family provides highly accurate xenon flow control for electric propulsion systems. Designed for long operational lifetimes, low leakage rates and reliable performance, these units support a broad range of satellite missions.

KEY BENEFITS

Accurate mass flow control

Space qualified materials

Ultra-low leakage design

Flight proven technology

Compact and lightweight architecture

Read More

Download Datasheet
Compact fluidic assembly with valves and tubing

Product Variants

μFCU

Heritage Product

LP-FCU

Active Production

LP-SFS

Active Production

APPLICATIONS

Electric Propulsion

Ion Thrusters

Hall Effect Thrusters

Small Satellites

High Pressure Flow Control Units

Electric Pressure Regulators

Low Pressure Flow Control Units

Cold Gas Thrusters

AST Space Components

Low Pressure Flow Control Units

Precise Flow Control for Electric Propulsion

The LP-FCU family provides highly accurate xenon flow control for electric propulsion systems. Designed for long operational lifetimes, low leakage rates and reliable performance, these units support a broad range of satellite missions.

KEY BENEFITS

Accurate mass flow control

Space qualified materials

Ultra-low leakage design

Flight proven technology

Compact and lightweight architecture

Read More

Download Datasheet
Compact fluidic assembly with valves and tubing

Product Variants

μFCU

Heritage Product

LP-FCU

Active Production

LP-SFS

Active Production

APPLICATIONS

Electric Propulsion

Ion Thrusters

Hall Effect Thrusters

Small Satellites

Insights

Stay Connected with AST

Explore the latest technical papers, company news, and upcoming industry events. Stay informed about our innovations, engineering expertise, and contributions to the global space community.

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COMPANY NEWS

Latest Updates from AST

Follow product announcements, project milestones, company developments, partnerships, and the latest achievements from our teams across the aerospace industry.

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Printed AST product datasheet showing technical drawings and specifications

TECHNICAL PAPERS

Engineering Insights & Research

Explore whitepapers, technical publications, and engineering articles covering propulsion systems, fluidic technologies, qualification processes, and space-grade hardware development.

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EVENTS

Meet Us Around the World

Discover upcoming conferences, trade fairs, and industry events where AST showcases its technologies, connects with partners, and engages with the global space community.

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FAQ

Frequently Asked Questions

What is the external leakage for AST's products?
What is the typical internal leakage for AST's products?
Is tank pressure influencing the HP-FCU's performance or flow capability?
What is the operating temperature range for units at high-pressure Xenon conditions?
What is the operating temperature range for units at high-pressure Krypton conditions?
Do AST's Pressure and Flow Control Units use orifices?
What is Fluidic SMD technology?
How are the fluidic components attached to the Flow Path Board?
What material is used for the Flow Path Board and its weld interfaces?
What high-pressure performance can a Fluidic SMD assembly achieve?
How does Fluidic SMD simplify spacecraft-level integration?