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The gas control system for a rocket launch pad project required a compact design with high flow characteristics and close control. Individual gas lines each being supplied from a 400 bar (6000 psi) source were routed through the individual blocks. The control of each supply line to the rocket launch pad is afforded by stop valves check valves, electro-pneumatic stop valves, and regulators. The versatility of the cartridge valve system allows our designers to mix and match different types of valves into one forged block, enabling the grouping of over pressure protection, pressure regulation and on/off control in one block. The three blocks of the cartridge valve system are connected by suitable piping.
The inlet block controlled the main incoming gas of 400 bar (6000 psi) utilizing a combination of manual and actuated stop valves. Restricted flow during start up was provided for by a reduced orifice actuated stop valve. Switches on all valves gave status indication
The control block reduced the pressure from the main incoming supply to various set points depending on the application. Accuracy of the set point was better than 2%. Two stage reduction was provided for where the pressure reduction was large. Over pressure protection was ensured by fitting relief valves.
The outlet block controlled the output to the main launch pad gantry, utilizing actuated stop valves. Venting of the system back to either a recovery system in the case of Helium or to atmosphere was again provided for by actuated stop valves. The total system is controlled from a remote point.