ISO 19973-4:2014
Pneumatic fluid power — Assessment of component reliability by testing — Part 4: Pressure regulators
ISO 19973-4:2014 provides test procedures for assessing the reliability of pneumatic pressure regulators by testing and the methods of reporting the results of testing. General test conditions and the calculation method are provided in ISO 19973-1. The methods specified in ISO 19973-1 apply to the first failure, as obtained with the three-points moving average (3PMA) method, without repairs, but excluding outliers.
ISO 19973-4:2014 applies to manually adjustable and remote-piloted pressure regulators, both relieving and non-relieving. It does not apply to pressure regulators that have a permanent bleed.
ISO 19973-4:2014 also specifies test equipment and failure criteria (threshold levels) for tests to assess the reliability of pneumatic pressure regulators.
| Get this standard | Prices exclude GST | |
|---|---|---|
| PDF ( Single user document) |
$179.13 NZD
|
|
| HardCopy |
$214.78 NZD
|
|
| Networkable PDF |
Price varies
|
Section sec_1
Section sec_2
Section sec_3
Section sec_4
Section sec_4.1
Section sec_4.2
Section sec_5
Section sec_5.1
Section sec_5.1.1
Table tab_a
Figure fig_1
Section sec_5.1.2
Table tab_b
Figure fig_2
Section sec_5.1.3
Section sec_5.1.4
Section sec_5.1.5
Section sec_5.2
Section sec_5.3
Section sec_6
Section sec_6.1
Section sec_6.2
Section sec_6.2.1
Section sec_6.2.2
Section sec_6.2.3
Section sec_7
Section sec_7.1
Section sec_7.1.1
Section sec_7.1.2
Section sec_7.2
Section sec_7.2.1
Section sec_7.2.2
Section sec_7.3
Section sec_7.3.1
Table tab_c
Figure fig_3
Section sec_7.3.2
Section sec_8
Section sec_8.1
Section sec_8.2
Section sec_8.3
Table tab_1
Section sec_8.4
Section sec_8.5
Section sec_9
Section sec_10
Section sec_11
Annex sec_A
Annex sec_B
Table tab_d
Figure fig_B.1
Table tab_B.1
Annex sec_C
Reference ref_1
Reference ref_2
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols and units
5 Test equipment
5.1 Basic test equipment
5.2 Directional control valve
5.3 Volumes
6 Test conditions
6.1 General test conditions
6.2 Inlet and regulated pressures
7 Test procedure
7.1 Timing of checks and measurements
7.2 Type and scope of checks and measurements
7.3 Endurance test
8 Failure criteria and threshold levels
8.1 General
8.2 Functional failure
8.3 Failure due to leakage
8.4 Failure due to pressure characteristics
8.5 Customised agreements
9 Data analysis
10 Test report
11 Identification statement (reference to this part of ISO 19973)
Annex A (informative) Flow chart illustrating the test procedure specified in this part of ISO 19973
Annex B (informative) Optional expanded test circuit
Annex C (informative) Test data sheet
Bibliography
Previous versions
Keep me up-to-date
Register to receive notifications when updates are made to this standard.
Related Information
Similar Standards
-
BS 7388:1991
Guide for prevention of leaks from hydraulic fluid power systems
-
BS EN ISO 4413:2010
Hydraulic fluid power. General rules and safety requirements for systems and their components
-
BS EN ISO 4413:2010 (CD-ROM)
Hydraulic fluid power. General rules and safety requirements for systems and their components (CD-ROM)
-
BS EN ISO 4414:2010
Pneumatic fluid power. General rules and safety requirements for systems and their components
Section sec_1
Section sec_2
Section sec_3
Section sec_4
Section sec_4.1
Section sec_4.2
Section sec_5
Section sec_5.1
Section sec_5.1.1
Table tab_a
Figure fig_1
Section sec_5.1.2
Table tab_b
Figure fig_2
Section sec_5.1.3
Section sec_5.1.4
Section sec_5.1.5
Section sec_5.2
Section sec_5.3
Section sec_6
Section sec_6.1
Section sec_6.2
Section sec_6.2.1
Section sec_6.2.2
Section sec_6.2.3
Section sec_7
Section sec_7.1
Section sec_7.1.1
Section sec_7.1.2
Section sec_7.2
Section sec_7.2.1
Section sec_7.2.2
Section sec_7.3
Section sec_7.3.1
Table tab_c
Figure fig_3
Section sec_7.3.2
Section sec_8
Section sec_8.1
Section sec_8.2
Section sec_8.3
Table tab_1
Section sec_8.4
Section sec_8.5
Section sec_9
Section sec_10
Section sec_11
Annex sec_A
Annex sec_B
Table tab_d
Figure fig_B.1
Table tab_B.1
Annex sec_C
Reference ref_1
Reference ref_2
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols and units
5 Test equipment
5.1 Basic test equipment
5.2 Directional control valve
5.3 Volumes
6 Test conditions
6.1 General test conditions
6.2 Inlet and regulated pressures
7 Test procedure
7.1 Timing of checks and measurements
7.2 Type and scope of checks and measurements
7.3 Endurance test
8 Failure criteria and threshold levels
8.1 General
8.2 Functional failure
8.3 Failure due to leakage
8.4 Failure due to pressure characteristics
8.5 Customised agreements
9 Data analysis
10 Test report
11 Identification statement (reference to this part of ISO 19973)
Annex A (informative) Flow chart illustrating the test procedure specified in this part of ISO 19973
Annex B (informative) Optional expanded test circuit
Annex C (informative) Test data sheet
Bibliography