内螺纹立式止回阀

序号

名称

材质

       ANSI/JIS/DIN

ANSI/JIS/DIN

1

阀体

A351-CF8M/SCS14A/1.4408

A351-CF8/SCS13A/1.4308

2

弹簧

SUS304

3

阀瓣

A351-CF8M/SCS14A/1.4408

A351-CF8/SCS13A/1.4308

4

阀座

PTFE/VITON

5

密封圈

PTFE/RPTFE

6

阀盖

A351-CF8M/SCS14A/1.4408

A351-CF8/SCS13A/1.4308

序号

d

L

D

1/4"

10

50

26

3/8"

13

54

30

1/2"

15

57

34

3/4"

20

64

42

1"

25

80

49

1-1/4"

32

82

60

1-1/2"

40

93

71

2"

50

100

87

2-1/2"

65

120

110

3"

76

140

125

4"

94

158

155