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“Sincerity, Innovation, Rigorousness, and Efficiency” would be the persistent conception of our enterprise with the long-term to build with each other with consumers for mutual reciprocity and mutual advantage for China Dual Plate Check Valve, Industrial Valve,dn ball valve, With the superior and exceptional service, we’ve been well developed along with our customers. Expertise and know-how ensure that we’ve been always enjoying the trust from our customers in our business activities. “Quality”, “honesty” and “service” is our principle. Our loyalty and commitments remain respectfully at your service. Contact Us Today For further information, contact us now.
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 |