Pushers

Pyrotechnic pusher is used to induce, in an irreversible way, the going out of a rod which could operate an awl to drill a surface and to lock an actuator.

Pyrotechnic pusher is used to induce, in an irreversible way, the going out of a rod which could operate an awl to drill a surface and to lock an actuator. For example, it is used to depressurize a tank at the end of the mission.

Initiation is performed through two 1TAPWH40 igniters for redundancy purpose.

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Pusher 7PPV10
Pusher 7PPV10

7PPV10 pusher’s main characteristics:

Weight: 150 g
Dimensions: Length< 90 mm – Width< 40 mm
Functioning time: < 8 ms
Stroke: 10 mm
Rod diameter: 4 mm
Reliability, confidence level: 1-1,1.10-5 at 60%
Leakage rate: < 10-6 atm.cm3/s
Operating temperatures -90°C < T < +100°C
Lifetime: 7 years
Shipping: 1.4S class
ONU number: 0070