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Marine Cast Iron Stop Check Valve GB/T591-1993

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591

Marine Cast Iron Stop Check Valve GB/T591-1993:

1.Design standard:GB/T11689.

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

3.End type:Flange.

4.PN:0.6/1.0/1.6Mpa.

5.DN:50mm-300mm.

6.Main material:

  • Body/Bonnet:HT200;
  • Seat:SS410/BC;
  • Stem:SS410/BS;
  • Disc:SS410/BC.

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

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

9.Fundamental dimensions of Marine Cast Iron Stop Check Valve GB/T591-1993:

Chart 1 Fundamental dimensions of type A and B:

PN (MPa) DN (mm) Structure Dimension Thickness Flange Bolt Hand wheel Lift Range m Weight(kg)
L H H1
A B A B B D D1 D2 d0 b n Th Do S A B
1.0 65 290 1 15 310 277 115 9 155 123 104 15 15 6 M14 140 12 18 18.9 16.7
80 310 125 345 304 125 9 170 138 118 15 15 8 M14 160 14 24 23.0 19.9
100 350 150 374 325 135 10 190 158 138 15 15 8 M14 180 14 35 31.O 27.2
125 400 175 426 366 155 10 215 183 164 15 15 10 M14 200 17 44 39.3 37.5
150 480 180 482 410 160 11 240 208 190 15 16 12 M14 200 17 57 55.5 48.4
1.6 20 150 75 217 203 75 7 95 68 48 13 14 4 M12 80 8 7 5.7 5.1
25 160 80 217 203 80 7 105 73 56 13 14 4 M12 80 8 7 6.0 5.6
32 180 85 236 216 85 7 115 83 64 15 15 6 M14 100 9 9 7.0 6.9
40 200 90 260 236 90 8 125 93 74 15 16 6 M14 120 11 11 9.2 8.5
50 230 95 288 258 95 8 135 103 84 15 16 6 M14 140 12 14 11.9 11.3

Chart 2 Fundamental dimensions of type AS and BS:

PN/Mpa

DN/mm

Constructiondimension

Thickness

L

H

H1

flange

Bolt

Hand wheel

Lift range

Weight/kg

AS

BS

A

BS

BS

mm

D

D1

D2

d0

b

n

Th.

Do

S

m

AS

BS

0.6

50

230

125

288

258

125

8

140

110

90

14

16

4

M12

140

12

14

12.2

12.2

65

290

145

310

277

145

9

160

130

110

14

16

4

M12

140

12

18

19.2

17.7

80

310

155

345

304

155

9

190

150

128

18

18

4

M16

160

14

24

23.8

21.7

100

350

175

374

325

175

10

210

170

148

18

18

4

M16

180

14

35

34.5

32.3

125

400

200

426

366

200

10

240

200

178

18

20

8

M16

200

17

44

42.5

42.8

150

480

225

482

410

225

11

265

225

202

18

20

8

M16

200

17

57

58.7

55.8

175

540

225

557

489

225

11

295

255

232

18

22

8

M16

200

17

60

76.8

70.3

200

600

275

621

549

275

11

320

280

258

18

22

8

M16

280

24

68

102

95.6

250

730

325

721

623

325

13

375

335

312

18

24

12

M16

360

27

80

158

151

300

850

375

794

691

375

13

440

395

365

22

24

12

M20

450

32

100

218

207

1

65

290

145

310

277

145

9

185

145

122

18

20

4

M16

140

12

18

21.6

20.1

80

310

155

345

304

155

9

200

160

133

18

22

8

M16

160

14

24

26

23.9

100

350

175

374

325

175

10

220

180

158

18

24

8

M16

180

14

35

35

32.8

125

400

200

426

366

200

10

250

210

184

18

26

8

M16

200

17

44

44.3

44.6

150

480

225

482

410

225

11

285

240

212

22

26

8

M20

200

17

57

62.7

59.8

175

540

225

557

489

225

11

315

270

242

22

28

8

M20

280

24

60

80.3

73.8

200

600

275

621

543

275

11

340

295

268

22

28

8

M20

360

27

68

106

99.6

250

730

325

721

623

325

13

395

350

320

22

28

12

M20

450

32

80

160

153

1.6

20

150

95

217

203

95

7

105

75

58

14

16

4

M12

80

8

7

6.2

5.7

25

160

100

217

203

100

7

115

85

68

14

16

4

M12

80

8

7

6.6

6.4

32

180

105

236

216

105

7

140

100

78

18

18

4

M16

100

9

9

8.6

8.7

40

200

115

260

236

115

8

150

110

88

18

18

4

M16

120

11

11

11

10.7

50

230

125

288

258

125

8

165

125

102

18

20

4

M16

140

12

14

14.2

14.2

10.Drawing of Marine Cast Iron Stop Check Valve GB/T591-1993:

Type A/AS:

591A

Type B/BS:

591B

11.Certificate available:

Certificate

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Our mail: manager@hiseamarine.com

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