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NFPA/T3.21.4 R2-2000 (R2019)
Pneumatic valve - Pressure rating supplement to NFPA/T2.6.1 R2-2000, Fluid power components - Method for verifying the fatigue and establishing the burst pressure ratings of the pressure containing envelope of a metal fluid power pneumatic valve
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.
National Fluid Power Association [nfpa-fluid]
