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 |
|||
|
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
|
Parts |
Materials |
|---|---|
|
① Body |
SUS316L (Single Melt / Double Melt) |
|
② Seat |
PCTFE / PFA / PI |
|
③ Diaphragm |
Ni-Co Alloy |
|
④ Handle |
ABS HI121 |
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
|
Product |
Size |
Connection |
Grade |
Material |
Seat Material |
Flow Direction |
||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
MDVB |
04 |
1/4” |
MV |
Male |
E |
EP |
D |
SUS316L Double Melt |
NONE |
PCTFE |
A |
A Flow |
|
06 |
3/8” |
FV |
Female |
B |
BA |
S |
SUS316L Single Melt |
PFA |
PFA |
B |
B Flow |
|
|
08 |
1/2″ |
BW |
Butt Weld |
PI |
PI |
C |
C Flow |
|||||
Flow
Dimension
|
Model |
Connection |
Size |
A (㎜) |
B (㎜) |
C (㎜) |
D (㎜) |
E (㎜) |
F (㎜) |
G (㎜) |
H (㎜) |
|---|---|---|---|---|---|---|---|---|---|---|
 |
Male |
1/4″ |
57 |
26 |
64.1 |
11 |
45 |
25.4 |
25 |
28 |
|
1/2″ |
77 |
36 |
77 |
16 |
45 |
28 |
36 |
38.5 |
||
 |
Female |
1/4″ |
70.6 |
26 |
64.1 |
11 |
45 |
25.4 |
25 |
34.8 |
|
1/2″ |
83 |
36 |
77 |
16 |
45 |
28 |
36 |
41.5 |
||
 |
Butt Weld |
1/4″ |
54 |
26 |
64.1 |
11 |
45 |
25.4 |
25 |
27 |
|
3/8″ |
69 |
36 |
77 |
16 |
45 |
28 |
36 |
34.5 |
||
|
1/2″ |
69 |
36 |
77 |
16 |
45 |
28 |
36 |
34.5 |
