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A pyrotechnic valve, also explosive actuated valve, short pyro valve or pyrovalve is a one time use propulsion component often used to control propellant or pressurant systems aboard spacecraft or space probes. The device is activated by an electric signal, upon which one or several small explosive charges are ignited.
The ASME B16 Standardization of Valves Flanges, Fittings and Gaskets Committee, which operates under ASME’s Board on Pressure Technology Codes and Standards is responsible for standards covering valves, flanges, pipe fittings, gaskets and valve actuators for use in pressure services.
The ASME developed its boiler code in 1915. The code provided a solid reference of construction standards, but ASME lacked the authority to regulate. This was further complicated by the existence of local and state jurisdictions with their own codes and standards. This resulted in a patchwork of confusion having no basis in consistency.
The NASA Standard Initiator (NSI) is a pyrotechnic device used to set off other pyrotechnic devices. It is the central multi-purpose component of a modular system of detonating cords, pyrotechnics and various other explosive charges with many different uses.
Cobham Technical Services (the trading name of Cobham CTS Ltd) is a UK-based technology organisation founded in 1920. It sells products for terrestrial and satellite communications, navigation and sensor applications; technical services and specialised systems for high-voltage and lightning testing; electromagnetic and multiphysics simulation software products.
This means that they are installed as a component of the completion string and run in during completion. Retrieving the valve, should it malfunction, requires a workover. The full name for this most common type of downhole safety valve is a Tubing Retrievable Surface Controlled Sub-Surface Valve, shortened in completion diagrams to TRSCSSV.
P&IDs are originally drawn up at the design stage from a combination of process flow sheet data, the mechanical process equipment design, and the instrumentation engineering design. During the design stage, the diagram also provides the basis for the development of system control schemes, allowing for further safety and operational ...
ASME BPVC Code Cases - Boilers and Pressure Vessels; ADDENDA. Addenda, which include additions and revisions to the individual Sections of the Code, are issued accordingly for a particular edition of the code up until the next edition. [9] Addenda is no longer in use since Code Edition 2013. It has been replaced by two years edition period ...