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Marine Cast Iron Flanged Discharging Stop Valve Case GB/T1856-1993

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Marine Cast Iron Flanged Discharging Stop Valve Case GB/T1856-1993

Marine Cast Iron Flanged Discharging Stop Valve CaseGB/T1856-1993:

1.Design standard:GB/T11689.

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

3.End type:Flange.

4.PN:0.6/1.0Mpa.

5.DN:40mm-250mm.

6.Main material:

  • Body/Bonnet:HT200;
  • Seat:SS410/BC6;
  • Stem:SS410/BRASS;
  • Disc:SS410/BC6.

7.Application:Sea water piping and fresh water piping.

8.Function:Such valve cases are used for on-off duty .

9.Fundamental dimensions of Marine Cast Iron Flanged Discharging Stop Valve CaseGB/T1856-1993:

Chart 1 Fundamental dimensions of type R and S:

PN

Mpa

DN

mm

Structure dimension/mm

Flange connection dimension /mm

Weight

kg

L1

L2

L3

L4

H

H1

B1

B2

d

D

D1

D2

b

Bolt

Th.

n-d0

R

S

R

S

R

S

1.0

40

110

160

380

540

210

370

283

48

95

50

13

125

93

74

16

M14

6-15

17.1

24.8

50

120

180

420

600

230

410

315

58

100

50

15

135

103

84

16

M14

6-15

24.05

36.0

65

130

180

440

620

230

410

345

73

120

50

15

155

123

104

15

M14

6-15

33.5

50.0

80

140

200

480

680

260

460

390

89

130

60

17

170

138

118

15

M14

8-15

43.5

64.7

100

170

230

570

800

290

520

430

110

150

60

17

190

158

138

15

M14

8-15

69.5

102.0

125

200

250

650

900

310

560

490

135

160

60

17

215

183

164

15

M14

10-15

85.4

125.0

150

230

280

740

1020

340

620

560

152

175

60

17

240

208

190

16

M14

12-15

125.0

180.5

0.6

200

280

380

940

1320

446

826

720

208

225

80

21

295

264

247

16

M14

12-15

202.0

382.0

250

400

460

1260

1720

544

1004

870

246

270

80

21

365

327

306

18

M16

14-17

294.0

553.0

Chart 2 Fundamental dimensions of type RS and SS:

PN

Mpa

DN

mm

Structure dimension/mm

Flange connection dimension /mm

Weight

kg

L1

L2

L3

L4

H

H1

B1

B2

d

D

D1

D2

b

n-d0

Bolt

Th.

RS

SS

RS

SS

RS

SS

1.0

40

115

180

410

590

230

410

283

48

13

8

13

150

110

88

18

4-18

M16

20.5

30.0

50

125

195

445

640

245

440

315

58

15

8

15

165

125

102

20

4-18

M16

30.0

44.3

65

145

215

505

720

265

480

345

73

15

9

15

185

145

122

20

4-18

M16

40.0

60.0

80

155

230

540

770

290

520

390

89

17

9

17

200

160

133

22

8-18

M16

52.6

79.0

100

175

270

620

890

330

600

430

110

17

10

17

220

180

158

24

8-18

M16

81.05

120.0

125

200

290

690

980

350

640

490

135

17

10

17

250

210

184

26

8-18

M16

102.6

150.8

150

225

325

775

1100

385

710

560

152

17

11

17

285

240

212

26

8-22

M20

146.8

212.8

0.6

200

275

380

930

1310

470

850

720

208

21

13

21

320

280

258

22

8-22

M16

223.2

413.9

250

325

435

1080

1520

535

970

870

246

21

14

21

375

335

312

24

12-18

M16

308.8

575.2

10.Drawing of Marine Cast Iron Flanged Discharging Stop Valve CaseGB/T1856-1993:

Marine Cast Iron Flanged Discharging Stop Valve Case GB/T1856-1993

11.Certificate available:

Marine Cast Iron Flanged Discharging Stop Valve Case GB/T1856-1993

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Our mail: manager@hiseamarine.com

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