GB/T 19934.1-2021Hydraulic fluid power - Fatigue pressure testing of metal pressure-containing envelopes - Part 1: Test method (English PDF)

National Standard of the People's Republic of China

ICS

23.100.99

Classification

J20

Issued by: State Administration for Market Regulation, China National Standardization Administration

Contents

• 1 Scope
• 2 Normative references
• 3 Terms and definitions
• 4 Test conditions
• 5 Test equipment and test preparation
• 6 Accuracy
• 7 Test procedure
• 8 Failure Criteria
• 9 Test report
• 10 Test description
• 11 Labeling instructions (quote this part)
• 1 Scope
• 2 Normative references
• 3 Terms and definitions
• 3.1 Lower limit of cyclic test high pressure uppercyclictestpressure
• 3.2 Lower cyclic test pressure upper limit lowercyclictestpressure
• 3.3 Cyclic test pressure range
• 3.4 Pressure-containing envelope
• 4 Test conditions
• 4.1 Before the start of the test, the tested components and circuits should be exhausted.
• 5 Test equipment and test preparation
• 6.1 The accuracy of the measuring instrument should meet.
• 7 Test procedures
• 7.1 Cyclic pressure test
• 7.1.1 Test pressure waveform
• 7.1.2 Pressure cycle test
• 7.1.3 Number of test cycles
• 7.1.4 Test frequency and time period (T1)
• 7.2 General requirements
• 8 Failure criteria
• 9 Test report
• 10 Test description
• 11 Labeling instructions (quote this part)