Flanged Triple Offset Butterfly Valve

  • Flanged Triple Offset Butterfly Valve
  • Flanged Triple Offset Butterfly Valve
Flanged Triple Offset Butterfly Valve

ZhengFeng's flanged triple offset butterfly valve is used in petroleum, chemical industry, metallurgy and hydropower.

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Application

Product Scope: NPS 2” ~ NPS24” , 10bar ~ 25bar


Features:

Dual-way Sealing

Triple-Eccentric Structure

Position Indication,Show the Open-Close Position

Long-Distance Operation


DesignStandard:EN593 / BS5155

Face to Face Dimensions:ISO 5752 / EN558

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

Carbon Steel

GP 240 GH+N

Disc

Carbon Steel

Stainless Steel 420

Stainless Steel 431

GP 240 GH+N

BS970 420S37

BS970 431S29

Stem


Stainless Steel 420

Stainless Steel 431

BS970 420S37

BS970 431S29

O-Ring

Stainless Steel 420

Stainless Steel 431

BS970 420S37

BS970 431S29

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

L

mm

108

112

114

127

140

140

152

165

178

H1

mm

112

115

120

138

164

175

200

243

250

H2

mm

325

334

346

372

402

440

478

522

546

A

mm

140

140

140

146

146

146

182

182

182

B

mm

160

160

160

208

208

208

256

256

256












NPS

In

14

16

18

20

24





L

mm

190

216

222

229

267





H1

mm

280

305

350

380

445





H2

mm

585

624

696

765

864





A

mm

182

232

232

232

232





B

mm

256

310

310

310

310






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