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 Click to enlarge image
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 Model Number |
YF311S |
High Performance Butterfly Valves
- Wafer type Butterfly valves(DN 40 ~ DN 1000)
- JIS 10K, 16K, 20K/ANSI 150 Class
- Metal Seated, R-PTFE Seated
- Double Offset Constructed
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No.
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Part name
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Q'ty
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Material
|
Remark
|
|
23
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Flange
|
2
|
SUS304
|
|
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22
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Spring
|
1
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SUS
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|
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21
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Indicator Cover
|
1
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P.P
|
|
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20
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Indicator
|
1
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Brass
|
|
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19
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Piston
|
1
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Aluminium
|
|
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18
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O-Ring
|
3
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NBR
|
|
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17
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U-Ring
|
1
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NBR
|
|
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16
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O-Ring
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1
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NBR
|
|
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15
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SNAP Ring
|
1
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NBR
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|
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14
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Stop Ring
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1
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S45C
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Cr. Plate
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13
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Cylinder
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1
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SCS13
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12
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Bush
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1
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Brass
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|
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11
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Connector
|
1
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SCS13
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10
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Connector Nut
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1
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SCS13
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9
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Spring
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1
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SUS
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8
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Packing
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1set
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P.T.FE
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7
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Bonnet
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1
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SCS13
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6
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STEM
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1
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SUS304
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|
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5
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Disk
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1
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SUS304
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|
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4
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Seat
|
1
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M.T.FE
|
|
|
3
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Seat Cover
|
1
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SUS304
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|
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2
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Seat Nut
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1
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SUS
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1
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Body
|
1
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SCS13
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Size
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Dimension(mm)
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Specification
|
|
Inch
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mm
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L
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ØD
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H
|
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1/2
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15
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140
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15
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160
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Working Pressure
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10kgf/cm2(9.8MPa)
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3/4
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20
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165
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20
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164
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Operating Pressure
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4-6kgf/cm2(3.92~5.88MPa)
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1
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25
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168
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25
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167
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Working Temp.
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~180°C
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1 1/4
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32
|
190
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32
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250
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Max Temp.
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200°C
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1 1/2
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40
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190
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40
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250
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2
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50
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200
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50
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256
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2 1/2
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65
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220
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65
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295
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