e/Pyrotechnic valves

Information
has gloss	eng: A Pyrotechnic valve is a one time use propulsion component often used to control propellant or pressurant systems on spacecraft. The device receives a signal voltage to fire a small munition which in turn shears away a small flange that initially blocked the flow path of the attached tubing.
lexicalization	eng: Pyrotechnic valves
instance of	c/Spacecraft components