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mm
inch
bar
psi
kg/m
19
3/4
19.0
29.2
4
32.0
350
5075
700
1400
240
1.65
25
1
25.4
35.9
39.2
300
2.25
31
1-1/4
31.8
46.8
6
49.8
420
3.60
38
1-1/2
38.1
54.0
57.3
500
4.75
51
2
50.8
68.4
71.9
630
6.90