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Pyrotechnic Hold And Release Mechanism (HRM)
Suite
Pyroalliance designs a wide range of separation nuts, used for the in orbit deployment of antenna reflectors and solar generators on satellites or used for the separation of satellites of a constellation, assembled on a dispenser.
With a recorded rate of in-flight success of 100% over more than 10000 separation nuts delivered until today to its customers, Pyroalliance provides with such separation nuts extremely reliable solutions of Hold down and release.
More generally, Pyroalliance delivers complete pyrotechnic chains adapted to its customers’ needs. They are designed and manufactured under Pyroalliance design authority.
HRM at a glance
Pyroalliance’s equipment on board satellite Globalstar
©Arianespace
Benefits of pyrotechnics
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Reliability
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Actuation time and synchronicity
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Structural link satellite/launcher mastering
Space applications
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Satellite release from dispenser
Please scroll down to discover more specifications on HRM :
Key figures, product operation mode video, the complete product sheet to download.
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Key figures of pyrotechnic performance
| TECHNICAL SPECIFICATIONS | OUR RANGE OF PERFORMANCE |
|---|---|
| OPERATING TIME (TYPICAL VALUES): | Few ms |
| HEIGHT WITHOUT IGNITERS: | 95 mm |
| DEPTH: | 91 mm |
| BOLT DIMENSIONS: | M10 x 1.5 |
| WEIGHT WITHOUT INITIATORS WITH BOLT CATCHER: | 740g |
| WEIGHT WITHOUT INITIATORS AND WITHOUT BOLT CATCHER: | 490g |
| OPERATING TEMPERATURE: | -50°C to +50°C |
| OPERATING BOLT TENSION: | Up to 26.5kN |
| INITIATORS: | 2 NSI |
