Standard Practice for Sampling Cryogenic Aerospace Fluids
NORMA vydaná dňa 1.4.2020
Označenie normy: ASTM F310-07(2020)
Dátum vydania normy: 1.4.2020
Počet strán: 3
Približná hmotnosť: 9 g (0.02 libier)
Krajina: Americká technická norma
Kategória: Technické normy ASTM
This practice establishes the apparatuses and materials needed, possible hazards, and two standard procedures for taking samples of cryogenic aerospace fluids for analysis. For the Dewar flask procedure, a clean Dewar flask is used to collect a sample of cryogenic aerospace fluid either from a sampling valve, or poured from a Dewar flask used for storage. Whereas, for the cryogenic sampler procedure, the sampler is used to withdraw a small amount of liquefied gas from a large supply, and is then allowed to cool until a steady stream of cryogenic liquid exists in the sampler. Once the sampling valves are closed, the trapped liquid will convert to gas and pressurize the sampling vessel.
Keywords:
aerospace fluids, cryogenic fluids, fluid sampling,, ICS Number Code 49.080 (Aerospace fluid systems and components)