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2ú?·?ú???oDN15-50

2ú?·?1á|?o0.6~10.0Mpa

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1¤×÷?1á|?o1.0Mpa-50.0Mpa??
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1?3??1á|(Mpa) 1.0 1.6
??ì?ê??é?1á|(Mpa)* 1.5 2.4
?ü·aê??é?1á|(Mpa) 1.0 1.6
×??????ú?1á|(Mpa) 1.0 1.6
3??ú?1á|·??§(Mpa) 0.09-0.8 0.1-1.2
?1á|ì?D???2?(Mpa)?÷P2P GB12246-1989
á÷á?ì?D???2?(Mpa)?÷P2G GB12246-1989
é???á? 0
1¤×÷???è 0??-80??

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ODíè| ?????e?o
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?¤?? ?D?????????e?o
?÷?ú???é 60Si2Mn
1y???÷ 2?Da??

á÷á???êy(Cv)

DN 15(1/2") 20(3/4") 25(1") 32(1-1/4") 40(1-1/2") 50(2")
Cv 0.5 0.6 1.2 1.8 3.0 5.0

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DN G L H1 H D
15(1/2") G1/2" 112 40 150 75
20(3/4") G3-4" 140 55 190 90
25(1") G1" 140 55 195 90
32(1-1/4") G1-1/4" 165 55 212 98
40(1-1/2") G1-1/4" 190 55 215 98
50(2") G2" 200 65 265 120

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