We have our own profits team, layout crew, technical team, QC team and package team. Now we have strict top quality handle procedures for each procedure. Also, all of our workers are experienced in printing industry for 100% Original China 2PC Mounting Pad DIN Pn16/Pn40 Flanged Ball Valves, We welcome all with the shoppers and buddies to call us for mutual rewards. Hope to do further more business along with you.
We have our own profits team, layout crew, technical team, QC team and package team. Now we have strict top quality handle procedures for each procedure. Also, all of our workers are experienced in printing industry for 2pc Ball Valve£¬ball valve pn40, China Ball Valve, Our team knows well the market demands in different countries, and is capable of supplying suitable quality products and solutions at the best prices to different markets. Our company has already set up a experienced, creative and responsible team to develop clients with the multi-win principle.
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.