Square Manual Diaphragm Valve

Specification

Size

1/4”

3/8”

1/2”

Cv Value

0.3

0.7

0.7

Orifice Size (㎜)

4

7

7

Max. Working Pressure

0.98 MPa

Max. Working Temp.

PCTFE

-10 ℃ ~ 80 ℃

PFA

-10 ℃ ~ 150 ℃

PI

-10 ℃ ~ 150 ℃

Atmospheric Temp.

-10 ℃ ~ 60 ℃

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

MDV

Product

04

Size

MV

Connection

E

Grade

S

Material

PFA

Seat
Material

Product

Size

Connection

Grade

Material

Seat Material

MDV

04

1/4”

MV

Male

E

EP

D

SUS316L

Double melt

NONE

PCTFE

 

06

3/8”

FV

Female

B

BA

S

SUS316L

Single melt

PFA

PFA

 

08

1/2″

LOK

Lok

A

AP

3

SUS304

PI

PI

     

BW

Butt Weld

           

Dimension

Model

Connection

Size

A

(㎜)

B

(㎜)

C

(㎜)

D

(㎜)

E

(㎜)

F

(㎜)

G

(㎜)

Male

1/4″

57

26

64.1

11

45

25.4

25

3/8″

77

36

77

16

45

28

36

1/2″

77

36

77

16

45

28

36

Female

1/4″

70.6

26

64.1

11

45

25.4

25

3/8″

83

36

77

16

45

28

36

1/2″

83

36

77

16

45

28

36

Lok

1/4″

48

26

64.1

11

45

25.4

25

3/8″

64

36

77

16

45

28

36

1/2″

64

36

77

16

45

28

36

Butt Weld

1/4″

54

26

64.1

11

45

25.4

25

3/8″

69

36

77

16

45

28

36

1/2″

69

36

77

16

45

28

36

서비스를 준비중입니다.

빠른 시일내에 준비하겠습니다.