The design approach permits the implementation of soft seat technology which reduces the sealing forces required and consequently limits the performance degradation which could otherwise occur with harder seat materials/higher sealing forces.  The sealing forces are derived from the lock-up pressure acting on the diaphragm.

The regulator can also be delivered in a dual stage series redundant configurations.  The dual stage regulator can be either forward or reverse cascade configuration.  There are no sliding fits involved, reducing the risk of particulate contamination.  Filters can be included at the inlet and the outlet of the unit.  Compensation for decreasing inlet pressure is included within the design.

The regulator is manufactured from lightweight Titanium, and the seal material is PCTFE.  The regulator is all electron-beam welded construction, with tubing and mounting interfaces to customer requirements.  This single stage design regulator was used successfully on the PRISMA formation flying mission.

NAMMO IRELAND

ENGINEERING

• Dedicated, skilled space engineering team
• Design and qualification of fluid control devices for spacecraft and launcher applications
• Structural hardware design for production
• Design for survivability in extreme launcher applications
• Design knowledge and techniques for Additive Manufactured hardware

PRODUCTION

• CNC machine tools, including 5-axis
• Electro Discharge Wire machine tools
• Spherical bearing production with Everlube 811 bearing lubrication
• Prototyping for development and production hardware
• Precision machining of specialist and exotic alloys for rocket engine applications

CLEANROOM and TESTING

• ISO Class 8 environment, with Class 5 laminar flow booths
• Water flow test
• Thermal vacuum cycling
• Vacuum testing
• Cleanliness measurement

QUALITY and INSPECTION

• Certified to AS9100
• Fully equipped metrology department
• CMM and optical measuring equipment
• Complete traceability of material and inspection records
• Trained DPRV personnel