No

零件名稱
Name of part

A42Y-16P材料
A42Y-40P
A42Y-64P Materials

1

閥座Nozzle seat

2Cr13

1Cr18Ni9Ti

2

閥體Body

WCB

ZG1Cr18Ni9Ti

3

調(diào)節(jié)圈Adjusting ring

2Cr13

1Cr18Ni9Ti

4

反沖盤(pán)Disc holder

2Cr13

1Cr18Ni9Ti

5

閥瓣Disc

2Cr13

1Cr18Ni9Ti

6

導(dǎo)向套Guide sleeve

2Cr13

1Cr18Ni9Ti

7

閥蓋Bonnet

QT500-7/碳素鋼

QT500-7/碳素鋼

8

彈簧Spring

50CrVA

50CrVA包復(fù)氟塑料Coated TefLon

9

閥桿Stem

2Cr13

2Cr13

10

調(diào)整螺桿Adjusting bolt

35

A439D-2

11

保護(hù)罩Cap

KTH300-06

KTH300-06

 

閥座、閥瓣密封面
Sealing surface of seat and disc

堆焊Co基硬質(zhì)合金
Depositing stellite

型號(hào)
Type

公稱通徑
(DN)

do

D

K

g₁

g

b

d₁

D₁

K₁

g₂

b₁

g₃

L

L1

≈H

CA42H
-16C

A42Y
-16P

32
40
50
80
100
150

20
25
32
50
65
100

135
150
165
200
220
280

100
110
125
160
180
240

78
88
102
135
155
210

16
16
16
20
20
24

18
18
18
18
18
23

40
50
65
100
125
175

146
160
180
215
245
310

110
125
145
180
210
270

85
100
120
155
185
240

16
16
18
20
22
26

18
18
18
18
18
23

115
120
135
170
205
255

100
110
120
135
160
230

285
278
332
478
590
650

4
4
4
8
8
8

4
4
4
8
8
8

16
20
25
65
75
130

A42Y
-40

A42Y
-40P

32
40
50
80
100
150

20
25
32
50
65
100

140
145
160
195
230
300

100
110
125
160
190
250

78
85
100
135
160
218

66
76
88
121
150
204

18
18
20
22
24
30

18
18
18
18
23
25

40
50
65
100
125
175

150
160
180
215
245
310

110
125
145
180
210
270

88
100
120
155
185
240

16
16
18
20
22
26

18
18
18
18
18
23

115
130
145
170
205
255

100
120
130
150
185
230

285
278
332
478
590
650

4
4
4
8
8
8

4
4
4
8
8
8

20
25
30
75
95
150

A42Y
-64
A42Y
-64P

40
50
80
100

25
32
50
65

165
175
210
250

125
135
170
200

95
105
140
168

76
88
121
150

24
26
30
32

23
23
23
25

50
65
100
125

160
180
230
270

125
145
190
220

100
120
160
188

20
22
24
28

88
110
150
176

18
18
23
23

130
155
175
195

120
130
160
195

308
464
582
600

4
4
8
8

4
8
8
8

30
35
80
110