Flanged Butterfly Valve

Flanged Butterfly Valve

ZhengFeng Flanged Butterfly Valve is used in construction, chemical, pharmaceutical and other industries.

Payment Protection
On-time Shipment
Quality Protection

Application

Product Scope: NPS 2” ~ NPS96” , 10bar ~ 16bar


Features:

Dual-way Sealing

Body Vulcanized Rubber,Reliable Sealing

Position Indication,Show the Open-Close Position


DesignStandard:BS EN593 / BS5155

Face to Face Dimensions:ISO 5752 / EN558 / BS5155

FlangeEnd Dimension :ANSI B16.1 / AWWA C207 / EN1092-2

Coating: Fusion Bonded Epoxy Coating 

Inspection and Test:API 598 / ISO 5208 / EN 12226-2

Part

Material

EN Spec.

Body

Ductile Iron

EN-JS1050

Disc

Ductile Iron

Stainless Steel 420

Stainless Steel 431

EN-JS1050

BS970 420S37

BS970 431S29

Stem


Stainless Steel 420

Stainless Steel 431

BS970 420S37

BS970 431S29

O-Ring

EPDM / NBR

Commercial

Hand Wheel

Ductile Iron

EN-JS1050

For materials options not listed,consult factory.

ZhengFeng manufactures valves in more than 50 different alloys.

NPS

In

2

2 1/2

3

4

5

6

8

10

12

14

L

mm

108

112

114

127

140

140

152

165

178

190

L1

mm

153

153

153

153

153

153

250

250

230

230

H1

mm

85

95

100

115

125

143

170

200

223

270

H2

mm

170

175

180

218

232

258

350

410

470

530













NPS

In

16

18

20

24

28

32

36

40

48

56

L

mm

216

222

229

287

292

318

330

410

470

530

L1

mm

290

290

320

320

350

620

655

655

655

655

H1

mm

300

340

355

410

478

530

585

657

800

955

H2

mm

610

690

770

860

950

980

1000

1050

1190

1390



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