Excellent comes 1st; service is foremost; small business is cooperation” is our organization philosophy which is regularly observed and pursued by our company for 100% Original Factory China Screw Connecting Pneumatic Ball Valve, Good quality and aggressive prices make our products get pleasure from a significant name all around the word.
Excellent comes 1st; service is foremost; small business is cooperation” is our organization philosophy which is regularly observed and pursued by our company for China Ball Valve, Pneumatic Ball Valve,dn65 ball valve, We have been your reliable partner in the international markets of our solutions. We focus on providing service for our clients as a key element in strengthening our long-term relationships. The continual availability of high grade products in combination with our excellent pre- and after-sales service ensures strong competitiveness in an increasingly globalized market. We’re willing to cooperate with business friends from at home and abroad, to create a great future. Welcome to Visit our factory. Looking forward to have win-win cooperation with you.
Body pressure detection
ANSI B 16.34 Section 7.1 |
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Valve size NPS |
Test pressure |
Test time sce |
DN50≥ |
1:5 times the 100°C F |
15second |
DN65-200 |
Rating of AN ST Class |
60second |
DN250≤ |
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 |
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Valve size NPS |
Test pressure |
Test time sce |
DN50≥ |
1:5 times the 100°C F |
15second |
DN65-200 |
Rating of AN ST Class |
30second |
DN250≤ |
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.
Main dimensions
DN(mm) | A | B | L | D | D1 | D2 |
15 | 129 | 64 | 210 | 15 | 21.3 | 42 |
20 | 129 | 64 | 230 | 15 | 26.7 | 42 |
25 | 159 | 76 | 230 | 20 | 33.4 | 48 |
32 | 159 | 85 | 260 | 25 | 42.2 | 60 |
40 | 230 | 95 | 300 | 32 | 48.3 | 76 |
50 | 230 | 100 | 300 | 40 | 60.3 | 89 |
65 | 300 | 159 | 300 | 50 | 76.1 | 114 |
80 | 300 | 170 | 300 | 65 | 88.9 | 140 |
100 | 450 | 192 | 325 | 80 | 114.3 | 165 |
125 | 450 | 208 | 325 | 100 | 141.3 | 216 |
150 | 450 | 241 | 350 | 125 | 168.3 | 219 |