GB/T 25151.6-2014
Fabrication and inspection method for high pressure urea equipment.Part 6:Helium leakage test method for urea high pressure equipment (English Version)

Standard No.: GB/T 25151.6-2014
Language: Chinese, Available in English version
Release Date: 2014
Published By: General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
Latest: GB/T 25151.6-2014

Scope: This part of GB/T 25151 stipulates the helium leakage test method for the presence or absence of penetrating defects of the lining layer welded joints of the urea high-pressure equipment in the urea plant, and the welded joints of the heat exchange tube and the tube sheet. This part is applicable to the helium leakage test of urea high-pressure equipment such as urea synthesis tower, urea CO₂ stripper, urea high-pressure scrubber, and urea high-pressure condenser. The helium leakage test of other chemical equipment can refer to this part.

GB/T 25151.6-2014 Referenced Document

GB 150.4 Pressure vessels.Part 4:Fabrication,inspection and testing,and acceptance
GB/T 10476 Specifications for urea high pressure condenser
GB/T 12604.7 Non-destructive testing—Terminology—Leak testing*， 2021-05-21 Update
GB/T 9842 Specification for urea reactor*， 2018-12-28 Update
GB/T 9843 Specifications for urea high pressure scrubber
HG/T 2952 Technical conditions of urea carbon dioxide stripping tower*， 2023-12-20 Update
JB/T 4730.5 Nondestructive testing of pressure equipments

2014 GB/T 25151.6-2014 Fabrication and inspection method for high pressure urea equipment.Part 6:Helium leakage test method for urea high pressure equipment