GB/T586 Marine Cast Steel Flanged Check Valve Type A/AS

GB/T586 Marine Cast Steel Flanged Check Valve Type A/AS


Materials of main parts

Body Material: Cast steel

Disc Material: High-quality Carbon steel


Overview

Application: This GB/T586 Marine Cast Steel Flanged Check Valve Type A/AS is designed for marine applications involving fresh water, lubricant oil, fuel oil, t≤300°C steam.

Material Specification: 

Parts Name

Material



Name

Marks

Body, Cover

Cast steel

ZG230-450

disc

High-quality Carbon steel

Steel 25

Technical Specifications:

  • Model: GB/T586 Marine Cast Steel Flanged Check Valve Type A/AS

  • Nominal Pressure(Mpa): PN1.0(Type A). PN1.6(Type AS)

  • Nominal Diameter(mm): DN65~DN125(Type A).  DN100~DN125(Type AS). 

Type

Nominal Pressure PN(Mpa)

Nominal Diameter DN(mm)

Available medium

A

1.0

65 ~ 125

Fresh water, Lubricant oil, Fuel oil,  t≤300°C steam.

AS

1.6

100 ~ 125




Dimensions(Unit:mm)

Drawing of GB T586 Marine Cast Steel Flanged Check Valve Type A AS.png

Type A

PN

(MPa)

DN

(mm)

Structure dimension

Thickness

Flange

Bolt

Lift

Range

m

Weight(kg)

L

H

A Type

A Type

D

D1

D2

d0

b

n

Th

A Type

1.0

65

290

124

6

155

123

104

15

14

6

M14

18

12.5

80

310

151

7

170

138

118

15

14

8

M14

24

15.6

100

350

165

8

190

158

138

15

14

8

M14

35

24.5

125

400

184

8

215

183

164

15

14

10

M14

44

31.9

1.6

20

150

84

6

95

68

48

13

11

4

M12

6

3.3

25

160

84

6

105

73

56

13

12

4

M12

7

3.9

32

180

90

6

115

83

64

15

13

6

M14

9

5.8

40

200

99

7

125

93

74

15

13

6

M14

11

7.1

50

230

110

7

135

103

84

15

13

6

M14

14

8.8

65

290

128

7

170

132

110

17

15

8

M16

18

13.5

80

310

156

7

185

147

126

17

16

8

M16

24

18

100

350

158

8

205

167

146

17

16

10

M16

35

26.3


Type AS

PN

(MPa)

DN

(mm)

Structure dimension

Thickness

Flange

Bolt

Lift

Range m

Weight(kg)

L

H

AS Type

AS Type

D

D1

D2

d0

b

n

Th

AS Type

1.6

100

350

158

8

220

180

158

18

22

8

M16

28

30.4

125

400

184

8

250

210

184

18

22

8

M16

35

39.6

2.5

20

150

84

6

105

75

58

14

16

4

M12

7

4.2

25

160

84

6

115

85

68

14

16

4

M12

7

4.9

32

180

90

6

140

100

78

18

18

4

M16

9

8.4

40

200

99

7

150

110

88

18

18

4

M16

12

8.9

50

230

110

7

165

125

102

18

20

4

M16

15

10.4

65

290

128

7

185

145

122

18

22

8

M16

19

16.6

80

310

156

7

200

160

133

18

24

8

M16

23

22.1

100

350

158

8

235

190

158

22

24

8

M20

28

31.5



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