法兰中线蝶阀

产品结构特点简介Brief Introduction to the product structure

本蝶阀系我公司最新研制的法兰蝶阀,主要适用于水厂、电厂、钢厂;台炼、造纸、化工、饮食等系统供排水用,尤为适用自来水管路上作为

调节流量设备使用。

This butterfly valve is the latest developed flange butterfly valve in this Co. and mainly applicable for water works,power plant,refinery of

steel works,paper—making,chemical,food and drink etc, systems to drain water,especially for the tap water pipeline to adjust the flow.

性能规范Performance Specifications

公称通径DN(mm)Nominal diameter

DN50-1200

公称压力PN(MPa)Nominal pressure

1.0-1.6

适用温度℃ work temperature

-23+121

适用介质 Suitable mediums

淡水、污水、海水、气体等 Fresh water,sewage,sea water,gas etc.

驱动方式 Drive method

可选用手动、电动、气动 Drive method,manual,electric,pneumatic

主要零部件材质Main parts material

序号NO.

零件名称Part Name

材料Material

1

阀体body

灰铸铁、球墨铸铁、铸钢、不锈钢 Cast iron,ductile iron,cast steel stainless steel

2

阀板board

球墨铸铁、不锈钢、铝合金 Ductile iron,stainless steel,aluminlum allcy

3

阀轴axle

碳钢、不锈钢 Carbon stem,stainless steel

4

阀座seat

橡胶 Rubber

5

密封Seal

O型圈O type rang

法兰蝶阀外形尺寸、连接尺寸Flange butterfly valve dimensions,connecting dimensions

公称通径DN(mm)

L

1.0MPa

1.6MPa

D

D1

H

H1

Z-①d

D

D1

Z-①d

50

108

165

125

202

77

4-18

165

125

4-18

65

112

185

145

213

93

4-18

185

145

4-18

80

114

200

160

221

100

8-18

200

160

8-18

100

127

220

180

234

113

8-18

220

180

8-18

125

140

250

210

253

123

8-18

250

210

8-18

150

140

285

241

269

193

8-22

285

240

8-22

200

152

340

295

316

172

8-22

340

295

12-22

250

165

395

350

358

202

12-22

405

355

12-26

300

178

445

400

384

218

12-22

460

410

12-26

350

190

505

460

439

253

16-22

520

470

16-26

400

216

565

515

500

300

16-26

580

525

16-30

450

222

615

565

528

328

20-26

640

585

20-30

500

229

370

620

552

352

20-26

710

650

20-33

600

267

780

725

669

397

20-30

840

770

20-36

700

292

895

840

745

498

24-30

910

840

24-36

800

318

1015

950

803

571

24-33

1025

950

24-39

900

510

1115

1050

880

615

28-33

-

-

-

1000

550

1230

1160

935

705

28-36

-

-

-

1200

630

1455

1380

1067

827

32-39

-

-

-

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