SPACE MARKET

Hold And Release Mechanism

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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 6000 separation nuts delivered until today to its customers, Pyroalliance provides with such separation nuts extremely reliable solutions of Hold down and release.

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HRM at a glance

Pyroalliance’s equipment on board satellite Globalstar Arianespace

Benefits

  • Reliability
  • Actuation time and synchronicity
  • Structural link satellite/launcher mastering

 

Applications

  • 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.

Key figures

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
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