Actuating
Retractor
Defence
Missiles
Separation
Explosive Bolt
Pyroalliance designs and manufactures a series of explosive bolts for defense applications.
These explosive bolts are designed to break the mechanical link of a clamp band and separate a solid booster stage.
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They are a key component of the propulsion function reliability and safety.
Explosive bolts, combined with other Pyroalliance products, are part of the pyro-chain of solid rocket motors.
More generally, Pyroalliance delivers complete pyrotechnic chains adapted to its customers’ needs.
They are designed and manufactured under Pyroalliance design authority.
Explosive Bolts at a glance
Benefits of pyrotechnics
- Mass savings through the reduced quantity of embedded electrical power
- High load case achievable
- 100% operational success
- Plug-in with deported control connection
- Supplied with splinter guard to protect the missile from debris
Defence applications
- Solid Rocket Motor separation
- Tank or cargo emergency opening
Key figures of pyrotechnics performance
| TECHNICAL SPECIFICATIONS | OUR RANGE OF PERFORMANCE |
| OPERATING TIME: | < 20ms |
| IGNITION MODE: | Electrical ignition 1A 1W 5min |
| MASS: | Range of 400g |
| TENSILE FORCE: | 50KN |
| RELIABILITY: | 0.999955 @90% CL |
| RESISTANCE AFTER DES: | 0.8 - 1.3Ω |
| SED (Electro Static Discharge): | 25kV 500pF 500Ω |
| OPERATING TEMPERATURE: | Adapted to typical airborne military climatic environment |
| LIFE TIME: | Adapted to the mission and life profile |
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