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Body pressure detection
ANSI B 16.34 Section 7.1 |
||
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 |
||
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 |