Casting Bellows Valve

Specification

Size

65A

80A

100A

125A

150A

200A

250A

300A

350A

400A

450A

500A

Cv Value

81

132

200

302

434

772

1200

1600

2000

2650

3100

3400

Orifice Size (㎜)

65

80

100

124

148

200

250

300

350

400

450

490

Max. Working Pressure

1 MPa

Max. Working Temp.

PCTFE

-10 ℃ ~ 80 ℃

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

SCS13, SCS16

② Disk

PCTFE

③ Bellows

SUS316L

④ Handle

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

CBV

Product

04

Size

MV

Connection

E

Grade

S

Material

Product

Size

Connection

Grade

Material

CBV

65A

65A

250A

250A

BW

Butt Weld

E

EP

S

SCS16

 

80A

80A

300A

300A

FL

Flanged

B

BA

3

SCS13

 

100A

100A

350A

350A

           
 

125A

125A

400A

400A

           
 

150A

150A

450A

450A

           
 

200A

200A

500A

500A

           

Dimension

Model

Connection

Size

A

(㎜)

B

(㎜)

C

(㎜)

D

(㎜)

Butt Weld

65A

416

68

347

160

80A

441

80

387

200

100A

492

94

423

200

125A

556

111

616

300

150A

606

126

632

300

200A

795

157

847

400

250A

1022

190

1085

450

300A

1100

216

1228

500

350A

1187

241

1286

710

400A

1314

268

1318

710

450A

1440

305

1454

800

500A

1440

327.5

1625

800

Flange

65A

216

87.5

367

160

80A

241

92.5

394

200

100A

292

105

487

200

125A

356

125

630

300

150A

406

140

646

300

200A

495

165

855

400

250A

622

200

1095

450

300A

698

222.5

1235

500

350A

787

245

1290

710

400A

914

280

1330

710

450A

1040

310

1579

800

500A

1040

338

1630

800

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