We take âcustomer-friendly, quality-oriented, integrative, innovativeâ as objectives. âTruth and honestyâ is our administration ideal for 2019 China New Design China 3PC Welded Ball Valve with Connection Pipe CF8m 1000wog Ball Valve, Base within the business enterprise concept of Quality to start with, we wish to satisfy more and a lot more good friends within the word and we hope deliver the most beneficial products and support to you.
We take âcustomer-friendly, quality-oriented, integrative, innovativeâ as objectives. âTruth and honestyâ is our administration ideal for 3PC Welded Ball Valve with Connection Pipe, China Ball Valve with Connection Pipe, Our companyâs main items are widely used all over the world; 80% of our products exported to the United States, Japan, Europe and other markets. All stuff sincerely welcome guests come to visit our factory.
Body pressure detection
|
ANSI B 16.34 Section 7.1 |
||
|
Valve size NPS |
Test pressure  |
Test time sce |
|
DN50¡à |
1:5 times the 100¡ãC F |
15second |
|
DN65-200 |
Rating of AN ST Class |
60second |
|
DN250¡à |
Max. operating pressure |
180second |
|
Detect pressure than the maximum working pressure  valve 1.5 times higher (100F) |
||
1.Seal hydrostatic test:The pressure should be more 1.1 times than working pressare by seal hydrastatic test.
|
ANSI B 16.34 Section 7.2 |
||
|
Valve size NPS |
Test pressure  |
Test time sce |
|
DN50¡à |
1:5 times the 100¡ãC F |
15second |
|
DN65-200 |
Rating of AN ST Class |
30second |
|
DN250¡à |
Max. operating pressure |
60second |
|
Detect pressure than the maximum working pressure  valve 1.5 times higher (100F) |
||
2.Seal air test: Seal air leakage test is based on 80psig (6kgf/cm^ nin-actiue gas or full filled with air, after dose the valve, then check it is leakage or not by one side  of the valve.