Forged Manual Bellows Valve

Specification

Size

15A

1″

20A

1-1/4″

1-1/2″

25A

32A

2″

40A

50A

Cv Value

2.9

4.1

4.1

6.9

6.9

6.9

16

16

16

21

Orifice Size (㎜)

15

19

19

25

25

25

40

40

40

45

Max. Working Pressure

1 MPa

Max. Working Temp.

PCTFE

-10 ℃ ~ 80 ℃

Internal Leakage

Test Pressure ≤ 1 x 10-2  Torr

Holding Time ≥ 1 min.

≤ 1×10-5 mbar.l/sec

External Leakage

Test Pressure ≤ 1 x 10-2  Torr

Holding Time ≥ 1 min.

≤ 1×10-5 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

15A ~ 25A

SUS304,

SUS316L (Single Melt / Double Melt)

32A ~ 50A

SCS13, SCS16

② Disk

PCTFE

③ Bellows

SUS316L

④ Actuator

15A ~ 25A

Aluminum

32A ~ 50A

SCS13

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

15

Size

MV

Connection

E

Grade

S

Material

Product

Size

Connection

Grade

Material

BV

15A

15A

25A

25A

BW

Butt Weld

E

EP

D

SUS316L Double Melt

 

16

1″

32A

32A

FL

Flanged

B

BA

S

SUS316L Single Melt

 / SCS16

 

20A

20A

32

2″

       

3

SUS304 / SCS13

 

20

1-1/4″

40A

40A

           
 

24

1-1/2″

50A

50A

           

Dimension

Model

Connection

Size

A

(㎜)

B

(㎜)

C

(㎜)

D

(㎜)

E

(㎜)

F

(㎜)

G

(㎜)

N-H

(㎜)

Butt Weld

15A

190

24

125

65

30

M6

   

1″

200

28

140

65

35

M6

   

20A

200

28

140

65

35

M6

   

1-1/4″

210

33

160

77

40

M6

   

1-1/2″

210

33

160

77

40

M6

   

25A

210

33

160

77

40

M6

   

32A

270

51

260

125

60

M6

   

2″

270

51

260

125

60

M6

   

40A

270

51

260

125

60

M6

   

50A

295

61

295

160

 

 

   

Flange

15A

108

47.5

148.5

65

95

51

70

4-∅15

1″

117

50

162

65

100

56

75

4-∅15

20A

117

50

162

65

100

56

75

4-∅15

1-1/4″

127

62.5

191

77

125

67

90

4-∅19

1-1/2″

127

62.5

191

77

125

67

90

4-∅19

25A

127

62.5

191

77

125

67

90

4-∅19

32A

165

67.5

276.5

125

135

76

100

4-∅19

2″

165

70

279

125

140

81

105

4-∅19

40A

165

70

279

125

140

81

105

4-∅19

50A

203

77.5

311.5

160

155

96

120

4-∅19

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