ISO 10802 , استاندارد هیدروتست لوله چدنی

ISO 10802: Ductile iron pipelines — Hydrostatic testing after installation

دانلود استاندارد ISO 10802 (استاندارد بین المللی ایزو برای الزامات تست هیدرواستاتیک لوله و پایپ لاین چدنی داکتیل آیرون، پس از نصب)

فهرست استاندارد:

1 Scope
2 Normative references
3 Terms and Definitions
4 Safety
5 Preparation of the test sections
5.1 General conditions
5.2 Pressure pipelines
5.2.1 General
5.2.2 Anchoring and closures
5.2.3 Partial backfilling before testing
5.2.4 Filling with water and air venting
5.3 Non-pressure pipelines
6 Pressure testing procedure
6.1 General
6.2 Preliminary operations for pressure pipelines
6.3 Preliminary test for pressure pipelines
6.4 Main pressure test
6.4.1 General
6.4.2 Water loss test
6.4.3 Pressure drop test — Direct reading (PDDR)
6.5 Determination of acceptance
6.6 Testing of the complete pipeline
6.7 Non-pressure pipelines
7 Acceptance criteria
7.1 Pressure pipelines
7.1.1 Water loss test — Falling pressure and water loss test — Constant pressure
7.1.2 Pressure drop test — Direct reading
7.2 Non-pressure pipelines.
Annex A (informative) Test methods description and comparison
Annex B (informative) Example of hydrostatic testing report
Annex C (informative) Pressure pairing of component pressures and pipeline pressures
Bibiliography