Advanced fluid control · aerospace engineering

Precision engineered for the edge of possibility.

RDI develops high-performance products and complete engineering solutions for systems where pressure, purity, reliability, and mission success cannot be compromised.

Artemis · mission-critical engineering

Engineering built for missions beyond Earth.

RDI engineering supports mission-critical fluid-control applications where precision, reliability, and disciplined validation are essential to spaceflight performance.

Product design · engineering · validation

From concept to mission-ready hardware.

RDI combines product design, multidisciplinary engineering analysis, program execution, and validation to develop hardware for demanding aerospace and industrial environments.

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Pressure Regulators Burst Discs Solenoid Valves Aerospace Components Burst Disc Relief Valve (BDRV) Burst Discs Pressure Regulators Isolation Valves Cold Gas Thrusters Solenoids Thermal and Pressure Cycles Test Services

Engineering heritage since 1997

Founded by Ardi Rashidi, built around mission-critical engineering.

RDI Engineering was established in 1997 by founder Ardi Rashidi. Across RDI Engineering and RDI Manufacturing, the team has supported product design, engineering analysis, program management, precision fluid-control hardware, thermal-system design, and demanding pressure-measurement applications.

Explore RDI history
International Space Station in orbit
Established 1997 · RDI Engineering
ISSInternational Space StationValve design and development experience
THERMALThermal system designEngineering for demanding temperature environments
MK-50Navy depth sensorsPressure-measurement engineering experience
RDIEngineering + ManufacturingIntegrated development and hardware experience

Engineering support from concept through validation

Practical solutions for complex engineering challenges.

RDI supports individual engineering studies and complete product-development programs, helping customers define requirements, evaluate concepts, resolve technical risks, and deliver solutions ready for implementation.

01

Feasibility studies and requirements

Establish a clear technical foundation by defining the operating environment, performance objectives, constraints, risks, and practical development path.

  • Feasibility studies
  • Product specifications
  • Technical requirements
02

Concept design and development

Convert technical requirements into viable concepts, component configurations, system architectures, and development strategies suited to the intended application.

  • Concept design
  • Product architecture
  • Design trade-off studies
03

Technical analysis and evaluation

Assess performance, pressure behavior, fluid conditions, structural response, materials, interfaces, and potential failure modes before the design is finalized.

  • Engineering analysis
  • Technical evaluation
  • Design verification
04

Detailed engineering and documentation

Produce the controlled engineering definition needed to manufacture, procure, assemble, inspect, operate, and support the final product or system.

  • Detailed engineering drawings
  • Technical documentation
  • Procurement support
05

Validation testing and verification

Develop and support evidence-based testing programs that verify performance, confirm design intent, and identify issues before deployment.

  • Validation planning
  • Testing and test support
  • Results review and interpretation
06

Engineering reports and final solutions

Consolidate analysis, design documentation, test results, procurement information, and technical recommendations into a complete, decision-ready engineering solution.

  • Engineering reports
  • Final technical recommendations
  • Implementation-ready solutions

Organized for faster discovery

Our Product

RDI Burst Disc Relief Valve
01 Pressure protection

Pressure protection

Burst Disc Relief Valve / BDRV

  • Integrated overpressure protection
  • Aerospace applications
  • Space-system hardware
Download Data Sheet (PDF)
RDI pressure regulator
02 Pressure regulation

Pressure regulation

Pressure Regulators

  • Precision pressure control
  • Propulsion systems
  • Gas and fluid applications
Download Data Sheet (PDF)

Purpose-built hardware for critical systems

Precision Product Portfolio

RDI offers specialized fluid-control, pressure-management, and mission-critical hardware designed for demanding aerospace, space, semiconductor, and industrial applications.

P-01

Precision Burst Disc Relief Valve (BDRV)

Precision overpressure protection engineered for repeatable burst performance in critical fluid systems.

P-02

Burst Discs

Compact pressure-protection components developed around critical set-point, envelope, media, and system requirements.

P-03

Micro Latching Solenoid Valve

Compact, low-power latching control for precise fluid switching in space-constrained systems.

P-04

Propulsion System Pressure Regulator

Stable downstream pressure control for propulsion feed systems across demanding operating envelopes.

RDI / FUTURE

RDI Vision for the Future

Tree of Life in Space

The “Tree of Life in Space” concept connects RDI’s engineering heritage with a future of sustained exploration, precision systems, and mission-ready hardware beyond Earth.

Explore RDI’s future vision

See the behavior before committing the hardware

Engineering decisions backed by evidence—not assumption.

RDI evaluates performance at the system and component level, identifies risk early, and converts technical findings into clear design direction.

Explore analysis capabilities ↗
MODEL / RDI-A7 Evaluation running
LOAD PATHNominal
FLOW STATEStable
DESIGN MARGINEvaluated
01

Define

Requirements & boundary conditions

Establish the operating environment, load cases, performance targets, interfaces, and acceptance criteria.

02

Evaluate

Model, calculate & compare

Use appropriate analytical methods to understand behavior, sensitivity, risk, and realistic design margins.

03

Refine

Convert findings into design action

Turn results into specific geometry, material, interface, control, manufacturing, or test recommendations.

04

Validate

Document a defensible solution

Close the loop with testing, traceable reporting, and a final engineering package aligned to the program need.

Validation from development through mission readiness

Testing Capabilities

From development validation to mission flight hardware testing, RDI supports structured test programs that help confirm performance, reliability, and readiness for demanding applications.

Precision engineering test environment; replace with the client-supplied RDI Precision Test Facility photograph RDI Precision Test Facility
RDI / PRECISION TEST FACILITY

Precision validation from development through mission readiness.

RDI supports structured thermal, pressure, development, acceptance, qualification, and mission flight hardware testing programs designed to confirm performance, reliability, and readiness for demanding applications.

Thermal cycles Pressure life cycles Qualification Flight hardware
T-01 Environmental

Thermal Cycles

Controlled hot-to-cold cycling to evaluate materials, seals, interfaces, and performance stability.

T-02 Durability

Pressure Life Cycles

Repeated proof and operating-pressure cycles to assess durability, drift, and fatigue behavior.

T-03 Engineering

Development Testing

Flexible engineering tests used to explore concepts, identify margins, and guide design refinement.

T-04 Verification

Acceptance Testing

Unit-level verification against defined workmanship and performance requirements before delivery.

T-05 Qualification

Qualification Testing

Structured environmental and performance testing to demonstrate design capability and margin.

T-06 Flight hardware

Mission Flight Hardware Testing

Controlled test execution and documentation for hardware intended for mission use.

One engineering discipline, multiple extreme environments

Precision engineering across industries.

RDI’s approach is suited to applications where clean fluid paths, controlled pressure, technical accountability, and high reliability are central to the system.

Start the engineering conversation

Bring us the problem others call impossible.

Share the operating challenge, performance target, or product need. RDI can help define the next technically sound step.