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Q 420

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汽标代号Q 420 Q420 420Q
Nominal Diameter
d
5 6 8 10 12
d max
min=nominal size
dc Type N max=nominal size
min
Type L max=nominal size
min
h Type N Nominal Size
max
min
Type L Nominal Size
max
min
f max Type N
Type L
4.75 5.71 7.64 9.59 11.53
4.57 5.53 7.42 9.37 11.26
11 12 16 20 24
10.57 11.57 15.57 19.48 23.48
15 18 22 27 30
14.57 17.57 21.48 26.48 29.48
1.2 1.4 1.9 2.2 2.8
1.25 1.45 1.95 2.28 2.88
1.15 1.35 1.85 2.12 2.72
1.4 1.7 2.2 2.8 3.2
1.45 1.75 2.28 2.88 3.28
1.35 1.65 2.12 2.72 3.12
0.5 0.55 0.7 0.8 0.8
0.65 0.65 0.75 0.8 1

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