H71对夹升降式止回阀

配管法兰

公称压力

常规产品型号

JB/T74-90
GB9112-9124、HG20592-20614

PN1.0MPa

H71H-10C

H71W10P

H71W10P8

H71W10P3

H71W10R

H71W10R8

H71W10R3

PN1.6MPa

H71H-16C

H71H-16P

H71H-16P8

H71H-16P3

H71H-16R

H71H-16R8

H71H-16R3

PN2.5MPa

H71H-25

H71H-25P

H71H-25P8

H71H-25P3

H71H-25R

H71H-25R8

H71H-25R3

PN4.0MPa

H71H-40

H71H-40P

H71H-40P8

H71H-40P3

H71H-40R

H71H-40R8

H71H-40R3

PN6.3MPa

H71H-63

H71H-63P

H71H-63P8

H71H-63P3

H71H-63R

H71H-63R8

H71H-63R3

PN10.0MPa

H71H-100

H71H-100P

H71H-100P8

H71H-100P3

H71H-100R

H71H-100R8

H71H-100R3

PN16.0MPa

H71H-160

H71H-160P

H71H-160P8

H71H-160P3

H71H-160R

H71H-160R8

H71H-160R3

CB/T9112-9124、HG20615-20635、SH3406

PN2.0MPa

H71H-20C

-

H71H-20P8

H71H-20P3

-

H71H-20R8

H71H-20R3

PN5.0MPa

H71H-50

-

H71H-50P8

H71H-50P3

-

H71H-50R8

H71H-50R3

PN11.0MPa

H71H-110

-

H71H-110P8

H71H-110P3

-

H71H-110R8

H71H-110R3

PN15.0MPa

H71H-150

-

H71H-150P8

H71H-150P3

-

H71H-150R8

H71H-150R3

ANSIB16.5

Class150

H71H-A1C

-

H71H-A1CP8

H71H-A1P3

-

H71H-A1R8

H71H-A1R3

Class300

H71H-A3

-

H71H-A3P8

H71H-A3P3

-

H71H-A3R8

H71H-A3R3

Class600

H71H-A6

-

H71H-A6P8

H71H-A6P3

-

H71H-A6R8

H71H-A6R3

Class900

H71H-A9

-

H71H-A9P8

H71H-A9P3

-

H71H-A9R8

H71H-A9R3

主要 
零件 
材料

阀体

WCB(A105)

ZG1Cr18Ni9Ti

CF8(304)

CF3(304L)

ZG1Cr18Ni12Mo2Ti

CF8M(316)

CF3M(316L)

阀瓣

2Cr13

1Cr18Ni9Ti

0Cr18Ni9

00Cr19Ni10

1Cr18Ni12TMo2i

00Cr17Ni12Mo2

00Cr17Ni14Mo2

压圈

2Cr13

1Cr18Ni9Ti

0Cr18Ni9

00Cr19Ni10

1Cr18Ni12TMo2i

00Cr17Ni12Mo2

00Cr17Ni14Mo2

弹簧

0Cr18Ni9

0Cr18Ni9

0Cr18Ni9

00Cr19Ni10

1Cr18Ni12TMo2i

00Cr17Ni12Mo2

00Cr17Ni14Mo2

适用工况

适月介质

水、蒸汽、 
油品等

硝酸等腐蚀性介质

强氧化性介质

醋酸等腐蚀性介质

屎素等腐 
蚀性介质

适用温度（℃）

-29～425

-196～540

-196～425

-196～540

-196～455

注：本表为常规对夹式止回阀的型号编制、主要零件材料及适用工况，其他要求及其型号编制参见对夹式止回阀型号编制方法。

公称压力 
PN
MPa

公称通径
DN
mm

尺寸(mm)

重量 
(Kg)

配管法兰(供参考)

L

D

D2

D3

D4

D5

螺栓孔中心 
圆直径Dl

螺栓 
数量

螺栓直径d

螺栓 
长度Ll

PN1.0MPa
PN1.6MPa

15

25

48

15

24

31

40

0.3

65

4

M12

75

20

31.5

58

19

30

40

50

0.5

75

4

M12

90

25

35.5

68

24

36

47

58

0.8

85

4

M12

90

32

40

80

31

46

56

68

1.3

100

4

M16

100

40

45

90

39

55

66

78

1.6

110

4

M16

105

50

56

105

48

65

78

90

2.3

125

4

M16

125

65

63

125

62

80

95

110

3.3

145

4

M16

130

80

71

140

76

96

110

125

4.4

160

8

M16

135

100

80

160

95

115

135

150

5.6

180

8

M16

150

125

110

190

110

125

132

-

9.2

210

8

M16

180

150

125

215

127

150

158

-

12.5

240

8

M20

210

PN1.0MPa

200

160

215

165

200

208

-

16.5

295

8

M20

240

PN1.6MPa

200

160

2225

165

200

208

-

16.5

295

12

M20

240

PN2.5MPa

15

25

48

15

24

31

40

0.3

65

4

M12

80

20

31,5

58

19

30

40

50

0.5

75

4

M12

90

25

35.5

68

24

36

47

58

0.8

85

4

M12

90

32

40

80

31

46

56

68

1.3

100

4

M16

110

40

45

90

39

55

66

78

1.6

110

4

M16

115

50

56

105

48

65

78

90

2.3

125

4

M16

125

65

63

125

62

80

95

110

3.3

145

8

M16

135

80

71

140

76

96

110

128

4.4

160

8

M16

145

100

80

160

95

115

135

150

5.6

190

8

M20

160

125

110

190

110

125

132

-

9.2

220

8

M24

205

150

125

215

127

150

158

-

15

250

8

M24

225

200

140

270

165

200

208

-

26

310

12

M24

260

PN4.0MPa

15

25

48

15

24

31

40

0.3

65

4

M12

80

20

31.5

58

19

30

40

50

0.5

75

4

M12

90

25

35.5

68

24

36

47

58

0.8

85

4

M12

90

32

40

80

31

46

56

68

1.3

100

4

M16

110

40

45

90

39

55

66

78

1.6

110

4

M16

115

50

56

105

48

65

78

90

2.3

125

4

M16

125

65

63

125

62

80

95

110

3.3

145

8

M16

135

80

71

140

76

96

110

128

4.4

160

8

M16

145

100

80

165

95

115

135

150

5.6

190

8

M20

160

125

110

195

110

125

132

-

9.2

220

8

M24

205

150

125

225

127

150

158

-

15

250

8

M24

225

200

160

,290

165

200

208

-