Specification
Size |
1/4” |
3/8” |
1/2” |
|
---|---|---|---|---|
Cv Value |
0.27 |
0.7 |
0.7 |
|
Orifice Size (㎜) |
4 |
7 |
7 |
|
Max. Working Pressure |
1 MPa |
|||
Operationg Pressure |
0.4 ~ 0.7 MPa |
|||
Max. Working Temp. |
PCTFE |
-10 ℃ ~ 80 ℃ |
||
PFA |
-10 ℃ ~ 150 ℃ |
|||
PI |
-10 ℃ ~ 150 ℃ |
|||
Internal Leakage Test Pressure ≤ 1 x 10-2 Torr Holding Time ≥ 1 min. |
≤ 1×10-9 mbar.l/sec |
|||
External Leakage Test Pressure ≤ 1 x 10-2 Torr Holding Time ≥ 1 min. |
≤ 1×10-9 mbar.l/sec |
|||
Particle Inspection Pressure :30 ~ 60 psi N2 Gas Sample Volume : 1 CFM / 0.1 ㎛ and Larger |
No Count |
Materials
Surface Roughness
BA |
EP |
---|---|
Ra ≤ 10 μinch Ry ≤ 3.0 ㎛ |
Ra ≤ 5 μinch Ry ≤ 0.7 ㎛ |
Cut off Length : 0.8 ㎜ |
Cut off Length : 0.25 ㎜ |
Measuring Length : 4 ㎜ |
Measuring Length : 1.25 ㎜ |
Bright Annealed |
Electro Polished |
Ordering Information
PDV
Product
04
Size
MV
Connection
AC
Actuation
E
Grade
S
Material
PFA
Seat
Material
A
Flow
Direction
Product |
Size |
Connection |
Actuation |
Grade |
Material |
Seat Material |
Flow Direction |
|||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
PDV |
04 |
1/4” |
MV |
Male |
AC |
Normal Close |
E |
EP |
D |
SUS316L Double Melt |
NONE |
PCTFE |
A |
A Flow |
06 |
3/8” |
FV |
Female |
AO |
Normal Open |
B |
BA |
S |
SUS316L Single Melt |
PFA |
PFA |
B |
B Flow |
|
08 |
1/2″ |
BW |
Butt Weld |
PI |
PI |
C |
C Flow |