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1.1 This standard provides:
– test and statistical methods for generating fatigue distribution data;
– test and statistical methods for conducting a verification of the pressure ratings on pneumatic valves;
– common requirements and an industry-wide philosophy in judging one type of pressure capability for pneumatic valves;
– uniform methods of product comparison.
1.2 This standard limits conditions as follows:
– constant amplitude, pressure induced loading of the elements that constitute or maintain the pressure containing envelope;
– product life of at least 100,000 cycles;
– defined conditions for pressure levels and pulse durations;
– temperatures from the charpy impact transition temperature to the threshold of creep sensitivity;
– environments which are chemically compatible with the materials of the pressure containing envelope;
– materials that are aluminum, magnesium, steel, iron, copper based alloys, cobalt, titanium, stainless steels, nickel steels, and monel. Specifically excluded are creep sensitive materials such as: zinc, plastic, rubber, and sealing devices.
1.3 This standard encourages manufacturers to use this common method to enhance the credibility of their pressure ratings.
Product Details
- Edition:
- 3rd
- Published:
- 03/15/2000
- Number of Pages:
- 12
- File Size:
- 1 file , 210 KB
