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Cast iron gate valve 30ч6бр

Cast steel gate valves are produced for installation on pipelines as lock units. Ends: flange ends Operation: handwheel, gear box, actuator.  Pressure 1.0Mpa,1.6Mpa

 

Function and specification

Type

Nominal pressure

Testing pressure

Suitable temperature

Suitable medium

Strength test(water)

Enclose test(water)

(Mpa)

(Mpa)

(Mpa)

(°c)

Z44T-10

1

1.5

1.1

≤200

Vapour、Water

Z41W-10

1

1.5

1.1

≤100

Oil

 

Main parts and Materials:
Body - Grey iron
Bonnet - Grey iron
Wedge(Disc) - Grey iron with brass welding working surface;
Stem - carbon steel
Stem nut – Ductile iron
Nut –Grey iron
Stud, bolt –Grey iron
Eye bolt –Grey iron
Gasket – Graphit
Handwheel –Grey iron
Working surface of the body – brass welding;
Working surface of the wedge (disc) – brass welding

 

Dimension

 

 

 

 

 

 

 

DN(mm)

Measurement(mm)

L

D

D1

D2

b-f

z-Φd

H

H1

D0

50

180

160

125

100

15-2

4*Φ18

238.6

289

169

80

210

195

160

135

19-2

4*Φ18

293

377

190

100

230

215

180

155

19-2

8*Φ18

326

427

190

150

280

280

240

210

24-3

8*Φ23

471

 

230

200

330

335

295

265

26-3

8*Φ23

619

 

310

250

450

390

350

320

28-3

12*Φ23

786

 

310

300

500

440

400

368

28-4

12*Φ23

921

 

390

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