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Notebook 1

Notebook 1

·Sensitive and Accurate Pressure Control
·Easy Adjustment and Maintenance
·Tamper Resistant
·Fully Supported Frictionless Diaphragm
·Meets National Lead Reduction Mandate

Online Inquiry

Application

Product Scope: NPS 2” ~ NPS20” , 10bar ~ 25bar 

Features:·Sensitive and Accurate Pressure Control

                ·Easy Adjustment and Maintenance

                ·Tamper Resistant

                ·Fully Supported Frictionless Diaphragm

                ·Meets National Lead Reduction Mandate 

Face to Face Dimensions:AMSE B16.10

FlangeEnd 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

Trim

Stainless Steel 420

Stainless Steel 431

BS970 420S37

BS970 431S29

Seat

Stainless Steel 420

Stainless Steel 431

BS970 420S37

BS970 431S29

Diaphragm

EPDM / NBR

Commercial

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

205

216

260

320

362

415

500

605

725

787

787

864

914

D

mm

165

185

200

220

250

285

340

400

455

520

580

640

715

K

mm

125

145

160

180

210

240

295

355

410

470

525

585

650

d

mm

99

118

132

156

184

211

266

319

370

429

480

503

548

C

mm

19

19

19

19

19

19

20

22

24.5

26.5

28

30

31.5

n-φ

mm

4-19

4-19

8-19

8-19

8-19

8-23

12-23

12-28

12-28

16-28

16-31

20-31

20-34

H

mm

230

240

260

280

300

380

390

450

460

490

520

600

680