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Marine Cast Steel Quick closing valve GB/T5744-1993

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Marine Cast Steel Quick closing valve GB/T5744-1993

Marine Cast Steel Quick closing valve GB/T5744-1993:

1.Design standard:GB/T5744-1993.

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

3.End type:Flange.

4.PN:0.25Mpa.

5.DN:20mm-150mm.

6.Main material:

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

7.Application:Fuel oil and lubricant oil piping.

8.Function:Such valves are used for on-off duty and quick closing when necessary.

9.Fundamental dimensions of Marine Cast Steel Quick closing valve GB/T5744-1993:

Chart 1 Fundamental dimensions of type AS&AQ&BS&BQ:

DN

Structure dimension

Thickness

Flange connection dimension

Bolt

Hand

wheel

Lift

range

Cylinder

volume

Weight/kg

L/mm

H/mm

L1/mm

L2/mm

mm

AS

AQ

BS

BQ

AS

AQ

BS

BQ

/mm

D/mm

D1/mm

D2/mm

b/mm

d0/mm

n

Th.

D0 /mm

S/mm

m

V/cm3

AS

AQ

BS

BQ

20

150

95

240

320

143

44

6

95

68

48

11

13

4

M12

80

8

7

27

5.8

6.7

6.2

7.1

25

160

100

242

325

105

73

56

12

9

6.6

7.5

6.8

7.7

32

180

105

245

330

115

83

64

13

15

6

M14

100

9

7.1

8.0

7.0

7.9

40

200

115

274

365

48

125

93

74

120

11

12

10.1

11.0

9.6

10.5

50

230

125

283

381

49

7

135

103

84

140

12

15

11.6

12.5

12.6

13.5

65

290

145

325

437

155

58

155

123

104

14

19

58

18.7

20.0

16.7

18.0

80

310

155

350

466

170

138

118

8

160

14

23

23.7

25.0

22.7

24.0

100

350

175

375

500

62

8

190

158

138

180

30

31.8

33.0

27.8

29.0

125

400

200

400

540

68

9

215

183

164

10

200

17

36

37.8

39.0

33.8

35.0

150

480

225

430

580

75

10

240

208

190

12

225

19

45

47.8

49.0

38.8

40.0

Chart 2 Fundamental dimensions of type ASS&AQS&BSS&BQS:

DN

Structure dimension

Thickness

Flange connection dimension

Bolt

Hand

wheel

Lift

range

Cylinder

volume

Weight/kg

L/mm

H/mm

L1/mm

L2/mm

mm

ASS

AQS

BSS

BSQ

ASS

AQS

BSS

BQS

/mm

D/mm

D1/mm

D2/mm

b/mm

d0/mm

n

Th.

D0 /mm

S/mm

m

V/cm3

ASS

AQS

BSS

BQS

20

150

95

240

320

143

44

6

90

65

50

14

11

4

M10

80

8

7

27

6.8

7.6

7.2

8.0

25

160

100

242

325

100

75

60

9

7.6

8.4

8.0

8.8

32

180

105

245

330

120

90

70

16

14

M12

100

9

9.2

10.0

9.0

9.8

40

200

115

274

365

48

130

100

80

120

11

12

12.2

13.0

11.8

12.6

50

230

125

283

381

49

7

140

110

90

140

12

15

14.9

15.7

15.9

16.7

65

290

145

325

437

155

58

160

130

110

19

58

21.5

22.7

19.5

20.7

80

310

155

350

466

190

150

128

18

18

M16

160

14

23

25.8

27.0

24.8

26.0

100

350

175

375

500

62

8

210

170

148

180

30

38.8

40.0

34.8

36.0

125

400

200

400

540

68

9

240

200

178

20

8

200

17

36

46.3

47.5

42.3

43.5

150

480

225

430

580

75

10

265

225

202

225

19

45

59.8

61.0

50.8

52.0

10.Drawing of Marine Cast Steel Quick closing valve GB/T5744-1993:

Type AS/AQ/ASS/AQS:

Marine Cast Steel Quick closing valve GB/T5744-1993

Type BS/BQ/BSS/BQS:

Marine Cast Steel Quick closing valve GB/T5744-1993

11.Certificate available:

Marine Cast Steel Quick closing valve GB/T5744-1993

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