Yangquan valve Limited by Share Ltd
Consultative:400-003-1469
Electricity: (0353) 2591440 (0353) 2591441
(0353) 2590751 (0353) 2590307
Address: No. 366 new road, Yangquan City, Shanxi Province
True: (0353) 25914692591781
Mail code:045000
E-mail:yqfm@sina.com
Inspection of finished product
- Scope
This procedure applies to the final inspection of the valve products, including finished product testing and delivery inspection
- Quoted standard
QB/YF.Z.02.13－1998 Inspection & Test Control Procedures
QB/YF.Z.02.15－1998 Inspection & Test Status Identification procedures
QB/YF.Z.02.16－1998 Nonconforming Product Control Procedure
- Obligation
Fitter inspector of Quality inspection department is responsible for the finished product inspection
Factory inspector of quality inspection department is responsible for delivery inspection
- Inspection regulations
Finished product inspection
Inspection standard
4.1.1.1 Inspect according to the product assembly drawing specified " performance standards" and pressure test standard, see table 1 of each series of pressure test standards
Table 1 Each series of pressure test standards
|
Series variety name |
Specification range |
Pressure test standards |
|
All kinds of butterfly valve |
Various spec |
GB/T13927 water pressure test D level 0.06×DN (cm3/min) |
|
Cast steel gate valve |
Various spec |
|
|
Z42 series iron mouth valve |
Various spec |
|
|
Cast iron gate valve (copper mouth, iron mouth) |
≤350 |
|
|
City gas valve |
Various spec |
GB/T13927 gas pressure test (0.18×DNcm3/min) |
|
Cast iron gate valve () |
≥400 |
GB/T13927－2008 |
|
Check valve |
Various spec |
|
|
Flap valve |
≤24 |
API598 |
|
Nuclear power valve |
|
According to contract requirement |
4.1.1.2 The maximum allowable leakage of various specifications of the valve pressure test standards: see table2
Table 2 The maximum allowable leakage of various specifications of the valve pressure test standards (Rigid metal seal valve)
|
|
GB13927 |
GB13927 |
API |
Nuclear power valve standard |
|
100 |
0.6 |
18 |
0.75 |
0.33 |
|
125 |
0.75 |
22.5 |
0.75 |
/ |
|
150 |
0.9 |
27 |
0.75 |
/ |
|
200 |
1.2 |
36 |
1.25 |
0.67 |
|
250 |
1.5 |
45 |
1.25 |
/ |
|
300 |
1.8 |
54 |
1.25 |
/ |
|
350 |
2.1 |
63 |
1.75 |
/ |
|
400 |
2.4 |
72 |
1.75 |
2.6 |
|
450 |
2.7 |
81 |
1.75 |
/ |
|
500 |
3.0 |
90 |
1.75 |
/ |
|
600 |
3.6 |
108 |
1.75 |
/ |
|
700 |
4.2 |
126 |
/ |
/ |
|
800 |
4.8 |
144 |
/ |
5.30 |
|
900 |
5.4 |
162 |
/ |
/ |
|
1000 |
6 |
180 |
/ |
6.66 |
|
1200 |
7.2 |
216 |
/ |
/ |
|
1400 |
8.4 |
252 |
/ |
/ |
|
1600 |
9.6 |
288 |
/ |
/ |
|
1800 |
10.8 |
324 |
/ |
/ |
|
2000 |
12.0 |
360 |
/ |
/ |
