ISS / USA
International Space Station
Design & Development of Valves for the ISS Ammonia Service Module.
About Us
Engineering for the edge of possibility.
RDI brings technical depth, precision execution, and adaptable thinking to systems where pressure, purity, reliability, and mission success cannot be compromised.
01
RDI since 1997
Founded by Ardi Rashidi
A history of product design, analysis, program leadership, and mission hardware.
RDI Engineering was established in 1997 by founder Ardi Rashidi. RDI Engineering and RDI Manufacturing experience spans product design, engineering analysis, program management, precision fluid-control hardware, thermal system design, and pressure-measurement work for demanding aerospace, defense, energy, and industrial applications.
RDI / EXPERIENCE
Engineering experience tied to real programs.
RDI’s history includes International Space Station-related valve development, thermal-system design experience, Navy MK-50 ALWT torpedo depth sensors and pressure-measurement work, and integrated engineering/manufacturing execution.
- Product Design
- Engineering Analysis
- Program Management
- RDI Engineering + RDI Manufacturing experience
1997RDI Engineering established
ISSAmmonia service module valves
MK-50Depth sensor pressure work
RDIEngineering + manufacturing
RDI-led / managed programs
Program experience across spaceflight and energy systems.
Selected programs requested by the client are presented here as part of the RDI history narrative.
JAXA / MHI JAPAN
Japanese MHI Launch Vehicles
Safety Valves for Japanese MHI Launch Vehicles.
CANDU / CANADA
Canada CANDU Reactor
Design & Development of high-performance mechanical seals to prevent heavy-water leakage during the refueling process.
RDI History / Design Contributions
Engineering contributions that helped define specialized systems.
A compact technical gallery keeps the historical work legible and consistent with the current site rather than presenting full client pages as raw images.
H-01 / TINKER AFB
Vacuum Furnace System Design
System design installed at Tinker AFB, Oklahoma City.
H-02 / PATENTED DESIGN
Movable Hot Zone Vacuum Furnace
Patented movable hot zone vacuum furnace system design.
H-03 / NAVY
MK-50 ALWT Torpedo Depth Sensors
Depth-sensor and pressure-measurement engineering work for the Navy MK-50 program.
ARDISHIR RASHIDI / PATENTS
View patent record
Selected design and pressure-system patents
Selected public patent records include Vacuum furnace with movable hot zone (US 5,524,020), Snap open pressure relief valve (US 6,250,329), and Pressure sensing device (US 6,550,338).
QUALITY / AS9100D
Quality system
RDI AS9100D Certificate
RDI’s AS9100D certification is presented as part of the company’s commitment to controlled processes, technical traceability, and disciplined execution for demanding aerospace and engineering programs.
- Quality-focused engineering processes
- Controlled technical documentation
- Traceability across design, manufacturing, and validation
RDI / VISION
RDI Vision for the Future
Tree of Life in Space
The “Tree of Life in Space” concept gives RDI a future-facing platform for connecting its engineering heritage with long-duration exploration and the precision systems required to support activity beyond Earth.
Start the engineering conversation
Bring us the requirement. We’ll help define the right engineering path.
Start with the application, environment, performance target, or technical risk. RDI will help turn it into a practical next step.