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Marine Cast Steel Flanged Shipboard Stop Check Valve GB/T1853-1994

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Marine Cast Steel Flanged Shipboard Stop Check Valve GB/T1853-1994

Marine Cast Steel Flanged Shipboard Stop Check Valve GB/T1853-1994:

1.Design standard:GB/T11698.

2.End standard:GB/T2501&GB/T569.

3.End type:Flange.

4.PN:0.6Mpa.

5.DN:40mm-350mm.

6.Main material:

  • Body/Bonnet:ZG230-450;
  • Seat:SS410/BC6;
  • Stem:SS410/BS;
  • Disc:SS410/BC6.

7.Application:Sea water piping.fresh water piping,oil piping and steam piping.

8.Function:Such valves are used for on-off duty and preventing refluence.

9.Fundamental dimensions of Marine Cast Steel Flanged Shipboard Stop Check Valve GB/T1853-1994:

Chart 1 Fundamental dimensions of type A and B:

DN/mm

Structure dimension /mm

Thick

ness

Flange connection

Bolt

Hand

wheel

Lift

range

Weight

kg

Type A

Type B

H

L

H

L

L1

t

D

D1

D2

d0

b

n

Th.

D0

S

m

Type A

Type B

40

300

200

326

90

90

6

125

93

74

15

13

6

N14

120

11

12

7.8

7.5

50

318

230

383

95

95

7

135

103

84

15

140

12

15

10.8

10.7

65

348

290

430

115

115

155

123

104

15

14

140

12

19

16.3

15.9

80

390

310

474

125

125

170

138

118

15

8

160

14

23

21.6

21.0

100

414

350

498

150

135

8

190

158

138

15

180

14

28

29.7

27.6

125

466

400

561

175

155

215

183

164

16

10

200

17

35

39.8

39.0

150

528

480

616

180

160

240

208

190

16

12

200

17

42

54.8

49.2

200

736

600

829

215

215

9

295

264

247

16

15

280

22

55

89.0

70.0

250

858

730

986

250

250

10

365

327

306

18

16

14

M16

320

27

65

139.4

117.5

300

1015

850

1160

300

300

12

430

386

360

22

19

M20

400

27

80

192.6

170.8

350

1065

980

1210

320

320

480

436

410

22

28

16

450

32

100

230.9

220.4

Chart 2 Fundamental dimensions of type AS and BS:

DN/mm

Structure dimension/mm

Thickness

mm

Flange connection/mm

Bolt

Hand

wheel

Lift

range

Weight

kg

Type AS

Type BS

D

D1

D2

d0

b

H

L

H

L

L1

t

n

Th.

D0

S

m

Type

AS

Type

BS

40

300

200

326

115

115

6

130

100

80

14

16

4

M12

120

11

12

8.20

7.9

50

318

230

383

125

125

7

140

110

90

14

140

12

15

12.80

11.6

65

348

290

430

145

145

7

160

130

110

14

140

19

19.50

18.6

80

390

310

474

155

155

7

190

150

128

18

18

M16

160

14

23

24.90

23.8

100

414

350

498

175

175

8

210

170

148

18

180

28

32.65

30.7

125

466

400

561

200

200

8

240

200

178

18

20

8

200

17

35

45.80

44.7

150

528

480

616

225

225

9

265

225

202

18

200

42

59.80

54.9

200

736

600

829

275

275

10

320

280

258

18

22

280

24

55

97.10

78.3

250

858

730

986

325

325

11

375

335

316

18

24

12

320

27

65

148.40

126.6

300

1015

850

1160

375

375

12

440

395

365

22

M20

400

80

201.70

179.2

350

1065

980

1210

425

425

12

490

445

415

22

450

32

100

239.90

229.6

10.Drawing of Marine Cast Steel Flanged Shipboard Stop Check Valve GB/T1853-1994:

Type A/AS:

Marine Cast Steel Flanged Shipboard Stop Check Valve GB/T1853-1994

Type B/BS:

Marine Cast Steel Flanged Shipboard Stop Check Valve GB/T1853-1994

11. Marine Cast Steel Flanged Shipboard Stop Check Valve GB/T1853-1994 factory:

Marine Cast Steel Flanged Shipboard Stop Check Valve GB/T1853-1994

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