Slow Closing Check Valve

Slow Closing Check Valve

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Application

Product Scope: NPS 2” ~ NPS8” , 10bar ~ 25bar


Features:

Full Pipe Size Flow Area

Non-Slam Closure

Anti Water Hammer

Face to Face Dimensions:AMSE B16.10

Flange End Dimension :AMSE B16.10

Coating: Fusion Bonded Epoxy Coating 

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


Part

Material

EN Spec.

Body

Ductile Iron

EN-JS1050

Bonnet

Ductile Iron

EN-JS1050

Disc

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

14

16

18

20

L

mm

150

170

180

190

200

210

230

250

270

290

310

330

350

H

mm

215

225

235

280

290

310

350

415

450

480

550

585

640

H1

mm

98

108

118

130

148

172

210

240

264

297

324

351

379


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