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SAE ARP1625

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SAE ARP1625 Revision B, June 1, 2013 Cold Gas Systems, Missile or Projectiles Design, Installation, Tests and Requirements For
Quantity

Description / Abstract: Systems shall be classified in terms of type, category and class.

Type:

Type defines the ambient temperature range under which the complete system is capable of operating within the performance envelope during the entire service mission.

Type I: Operational temperature range between -54°C (-65°F) and +93°C (+200°F).

Type II: Operational temperature range between -54°C (-65°F) and +149°C (+300°F).

Type III: Operalionallemperalure range between -54°C (-65°F) and +260°C (+500°F).

Category:

Category defines the use of external thermal energy, above ambient conditions, added to the gas storage reservoir during prelaunch or during the operational missin.

Category A: Gas storage reservoir unheated at all times.

Category B: Gas storage reservoir heated prior to launch.

Category C: Gas storage reservoir continuously heated during the service mission.

PURPOSE:

This aerospace recommended practice covers the design, installation, tests and data requirements of stored cold gas blowdown systems or subsystems for use in guided projectiles and tactical missiles. The term system, hereafter, refers to units which function as aerodynamic surface control devices. Valve actuated control devices, reaction control devices and sensing/control devices.