CONCENTRIC TYPE • FLANGED TO BS 4504 PN10 / PN16

FACE-TO-FACE DIMENSION TO ISO 5752 / BS 5155 (DOUBLE FLANGE

SHORT BODY) / BS EN593 / EN558-1 BASIC SERIES 13 (DOUBLE

FLANGE SHORT BODY) / API 609

LEVER / WORM GEAR OPERATOR

DOUBLE FLANGE BUTTERFLY VALVE (CONCENTRIC TYPE)

BFV-DCB

PN16DN50~350

SPECIFICATION

Working Pressure 16 bar

Testing Pressure Shell : 24 bar

Seat : 17.6 bar

Working Temperature -20˚C to 110˚C (EPDM Seat)

-10˚C to 80˚C (NBR Seat)

Suitable Media Water, Oil & Gas

PRESSURE / TEMPERATURE RATINGS

Part

Body

Disc

Seat Ring

Shaft

Taper Pins

Key

O-Ring

Bushing

Material

Ductile Iron

Ductile Iron

Aluminum Bronze

Stainless Steel 304

Stainless Steel 316

EPDM

NBR

Viton

Stainless Steel 410

Stainless Steel 431

Stainless Steel 316

Stainless Steel 316

Carbon Steel

NBR

Luberized Bronze

BS

2789 Gr. 500/7, 420/12

2789 Gr. 500/7, 420/12

1400 AB2

304 C15

316 C16

410 S21

431 S29

316 S16

316 S16

MATERIALS

A

mm

110

134

131

150

170

180

210

246

276

328

B

mm

80

80

95

114

114

139

175

203

242

256

C

mm

108

112

114

127

140

140

152

165

178

190

H

mm

304

338

342

371

406

434

573

641

695

777

L

mm

226

226

226

226

226

226

313

313

307

307

L1

mm

173

173

173

173

173

173

239

239

226

226

L2

mm

173

173

173

173

173

173

300

300

312

312

L3

mm

45

45

45

45

45

45

63

63

80

80

DIMENSIONS

Size

mm

50

65

80

100

125

150

200

250

300

350

Cv

90˚

135

220

302

600

1022

1579

3136

5340

8250

11917

G

mm

150

150

150

150

150

150

285

285

285

285

L3

H1

A

B

H

G

L L2

L3L1

A

B

C

DOUBLE-STAGE WORM GEAR OPERATOR

DOUBLE FLANGE BUTTERFLY VALVE (CONCENTRIC TYPE)

BFV-DCB

PN16DN400~600

PN10DN700~1200

SPECIFICATION

PRESSURE / TEMPERATURE RATINGS

Working Pressure 16 bar (DN400~600)

10 bar (DN700~1200)

Testing Pressure Shell : 24 bar (DN400~600)

15 bar (DN700~1200)

Seat : 17.6 bar (DN400-600)

11 bar (DN700~1200)

Working Temperature -20˚C to 110˚C (EPDM Seat)

-10˚C to 80˚C (NBR Sear)

Suitable Media Water, Oil & Gas

A

mm

376

407

448

518

560

620

685

735

917

B

mm

296

316

352

441

473

527

581

653

796

C

mm

216

222

229

267

292

318

330

410

470

H

mm

957

1007

1085

1246

1415

1528

1741

1863

2240

L

mm

103

103

103

138

560

620

685

735

917

L1

mm

174

174

174

174

1415

1529

1742

1864

2241

L2

mm

434

434

434

488

634

634

697

697

986

L3

mm

181

181

181

200

243

243

278

278

458

DIMENSIONS

Size

mm

400

450

500

600

700

800

900

1000

1200

Cv

90˚

16388

21705

27908

43116

49500

68250

86375

119750

154000

G

mm

279

279

305

305

358

358

409

409

435

Note:

1. Actuator mounting flange conforms to ISO 5211 drilling.

2. The butterfly valve can be supplied with electric or pneumatic actuator.

3. Pneumatic actuators are available in spring return or double acting.

4. Micro switch / limit switch box are available upon request.

5. JIS B2239 10K and other flange standards available upon request.

6. If used for gas application, please consult our sales office.

7. Design and specifications are subject to change without prior notice.

H

G

A

B

L L2

L1 L3

C

TOZEN Corporation8-4, Asahi, Yoshikawa

Saitama 342-0008, Japan

V0707