Forged Manual Bellows Valve

Specification

Size

1/4″

3/8”

1/2“

3/4“

Cv Value

0.36

1.1

1.1

2.6

Orifice Size (㎜)

4.5

8

8

12

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.

≤ 4×10-9 mbar.l/sec

External Leakage

Test Pressure ≤ 1 x 10-2  Torr

Holding Time ≥ 1 min.

≤ 4×10-9 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

SUS304,

SUS316L (Single Melt / Double Melt)

② Disk

PCTFE / PFA / PI

③ Bellows

SUS316L

④ Handle

1/4“ ~ 1/2″

ABS HI121

3/4″

Aluminum

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

BV

Product

04

Size

MV

Connection

E

Grade

S

Material

PFA

Seat
Material

Product

Size

Connection

Grade

Material

Seat Material

BV

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

   

3

SUS304

PI

PI

 

12

3/4″

BW

Butt Weld

           

Dimension

Model

Connection

Size

A

(㎜)

B

(㎜)

C

(㎜)

D

(㎜)

E

(㎜)

F

(㎜)

G

(㎜)

Male

1/4″

58

14

79

43

23

25

M5

3/8″

60

16

85

43

1/2″

60

16

85

43

3/4″

86

22

121

65

32

34

Female

1/4″

70.5

14

79

43

23

25

M5

3/8″

90

16

85

43

1/2″

90

16

85

43

3/4″

115

22

121

65

32

34

Lok

1/4″

50

14

79

43

23

25

M5

3/8″

63

16

85

43

1/2″

63

16

85

43

3/4″

100

22

121

65

32

34

Butt Weld

1/4″

150

14

85

43

23

25

M5

3/8″

150

16

85

43

1/2″

150

16

85

43

3/4″

158

22

121

65

32

34

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