Our crew through skilled training. Skilled expert knowledge, solid sense of service, to meet the service needs of customers for High Quality China Plastic (UPVC/PVC/ CPVC /PPR) Pipe Fitting and Ball Valve with Pn10 /Pn16/ ASTM Standard, Customersâ advantage and satisfaction are normally our biggest target. Be sure to call us. Give us a opportunity, offer you a surprise.
Our crew through skilled training. Skilled expert knowledge, solid sense of service, to meet the service needs of customers for ball valve pn10£¬ball valve pn16£¬ball valve dn80, Welcome to visit our company, factory and our showroom where displays various goods that will meet your expectation. Meanwhile, it is convenient to visit our website, and our sales staff will try their best to offer you the best service. Make sure you contact us if you require more information. Our aim is to help customers realize their goals. We are making great efforts to achieve this win-win situation.
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.