Tomoe 304YA, Инструкция по эксплуатации

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6. Piping Data
6. 1 Minimum Inner Pipe Diameter and Disc Protruding Dimension at Full-open Position
＜
Table-9
＞
Minimum Inner Pipe Diameter and Disc
Protruding Dimension at Full-open Position
Unit: mm
Nominal Size
Minimum
Inner Pipe
Diameter
Disc Protruding
Dimension at Full-open
Position
mm inch A B C
40 1 1/2 36 5.4 0.9
50 2 42 0.0 5.9
65 2 1/2 59 5.1 12.1
80 3 73 15.0 16.0
100 4 92 21.0 23.2
125 5 117 31.5 32.9
150 6 143 45.8 43.4
200 8 193 67.6 63.6
250 10 240 88.2 80.9
300 12 291 107.2 104.4
Note ) The disc of the butterfly valve is inserted into a pipe at full-open position. When you use a pipe or flange
whose diameter is less than the minimum inner pipe diameter, insert a spacer, etc. between the product and
flange.
For details, please contact our sales department.
6. 2 Applicable Pipes
<Table-10> Applicable Pipes
Nominal Size JIS G3452 JIS G3454 JIS G3459
mm inch SGP Sch20 Sch40 Sch10S Sch20S
40 1 1/2
○ － ○ ○ ○
50 2
○ ○ ○ ○ ○
65 2 1/2
○ ○ ○ ○ ○
80 3
○ ○ ○ ○ ○
100 4
○ ○ ○ ○ ○
125 5
○ ○ ○ ○ ○
150 6
○ ○ ○ ○ ○
200 8
○ ○ ○ ○ ○
250 10
○ ○ ○ ○ ○
300 12
○ ○ ○ ○ ○
[Fig.-36]
A
B C