工 艺 管 道 制 安 工 程 质 控 见 证 一 览 表

工程名称：

序号 见证点名称 见证点检查内容 (允许偏差) 见证等级
1 钢管检验 1.外径及壁厚尺寸偏差。    
2.表面外观检查。           
3.是否具有质量合格证明书。  Ａ
2 阀门检验 1.物料阀门逐个检查,其它抽查10％进行强度和严密试验。             
2.清洗。                                   
3.检查检验记录。                           
4.安全阀进行试调。(检查安全阀调整试验记录)。
5.是否具有质量合格证明书。  Ｂ
3 管道附件检验 1.检查尺寸偏差及材质。                     
2.是否具有质量合格证明书。                 
3.外观检查。   Ｂ
Quality control system security engineering process pipe witness list

Project Name:

Name of witness testimony point number point check the contents (tolerance) levels witnessed
1 test tube 1. Diameter and wall thickness dimensions deviation.
2. Superficial visual inspection.
3. Whether the quality of the certificate of compliance. A
2 valve test 1. Materials one by one check valve, and other random 10% of the strength and strict test.
2. Cleaning.
3. Check the inspection records.
4. Safety valve for test tone. (Check the safety valve adjustment test records).
5. Whether the quality of the certificate of compliance. B
Annex 3 pipe inspection 1. Check size and material deviations.
2. Whether the quality of the certificate of compliance.
3. Visual inspection. B