閥門分類
設計規範
|
結構長度
|
連接法(fǎ)蘭
|
試驗與檢驗
|
產品(pǐn)標識
|
供貨規範
|
GB/T 12237
|
GB/T 12221
|
JB/T 78;JB/T 79
|
GB/T 13927
|
GB/T 12220
|
JB/T 7928
|
序號
|
零件名稱
|
灰鑄鐵
|
鑄鋼
|
不鏽耐酸鑄鋼
|
超低(dī)碳不鏽耐酸鑄鋼
|
||
Z
|
C
|
P
|
R
|
P L
|
R L
|
||
1
|
閥體 / 端蓋
|
HT 250
|
WCB
|
CF8
|
CF8M
|
CF3
|
CF3M
|
2
|
球體 / 閥杆
|
WCB
|
CF8
|
CF8M
|
CF3
|
CF3M
|
|
3
|
襯裏 / 閥座
|
PTFE(F 4 ) 、 PCTFE(F 3 ) 、 FEP(F 46 ) 、 PFA( 可溶性 F 4 )
|
|||||
4
|
填料 / 壓蓋
|
WCB
|
CF8
|
CF8M
|
CF3
|
CF3M
|
|
5
|
填料 / 壓蓋
|
PTFE(F 4 )
|
PTFE(F4)
|
PTFE(F4)
|
|||
6
|
支(zhī)架
|
35
|
1Cr18Ni9Ti
|
1Cr18Ni9Ti
|
|||
7
|
螺栓
|
35
|
1Cr17Ni2
|
1Cr18Ni9Ti
|
|||
8
|
緊固螺母
|
45
|
0Cr18Ni9
|
0Cr18Ni9
|
|||
9
|
操作手柄
|
WCB
|
WCB
|
WCB
|
公稱通徑
|
標 準 值
|
參(cān) 考 值
|
||||||||||
DN
(mm) |
NPS
(inch) |
L
|
D
|
D1
|
D2
|
1
|
b
|
z- φ d
|
W
|
D O
|
H
|
WT(kg)
|
PN 1.0MPa
|
||||||||||||
15
|
1/2
|
140
|
95
|
65
|
45
|
2
|
14
|
4- φ 14
|
120
|
|
80
|
2.5
|
20
|
3/4
|
140
|
105
|
75
|
55
|
2
|
16
|
4- φ 14
|
140
|
|
90
|
3
|
25
|
1
|
150
|
115
|
85
|
65
|
2
|
16
|
4- φ 14
|
160
|
|
100
|
4.5
|
32
|
11/4
|
165
|
135
|
100
|
78
|
2
|
18
|
4- φ 18
|
160
|
|
110
|
5.7
|
40
|
11/2
|
080
|
145
|
110
|
85
|
3
|
18
|
4- φ 18
|
200
|
|
120
|
7
|
50
|
2
|
200
|
160
|
125
|
100
|
3
|
20
|
4- φ 18
|
250
|
|
135
|
9.5
|
65
|
21/2
|
220
|
180
|
145
|
120
|
3
|
20
|
4- φ 18
|
300
|
|
145
|
15
|
80
|
3
|
250
|
195
|
160
|
135
|
3
|
22
|
4- φ 18
|
350
|
|
185
|
19
|
100
|
4
|
280
|
215
|
180
|
155
|
3
|
22
|
8- φ 18
|
400
|
|
195
|
33
|
125
|
5
|
320
|
245
|
210
|
185
|
3
|
24
|
8- φ 18
|
500
|
|
210
|
58
|
150
|
6
|
360
|
280
|
240
|
21
|
3
|
24
|
8- φ 23
|
|
200
|
450
|
93
|
200
|
8
|
457
|
335
|
295
|
265
|
3
|
26
|
8- φ 23
|
|
240
|
490
|
155
|
250
|
10
|
533
|
390
|
350
|
320
|
3
|
28
|
12- φ 23
|
|
240
|
550
|
210
|
公稱(chēng)通徑
|
標準(zhǔn)值
|
參考值
|
||||||||||
DN
(mm) |
NPS
(inch) |
L
|
D
|
D1
|
D2
|
1
|
b
|
z- φ d
|
W
|
D O
|
H
|
WT(kg)
|
PN 1.6MPa
|
||||||||||||
15
|
1/2
|
140
|
95
|
65
|
45
|
2
|
14
|
4- φ 14
|
120
|
|
80
|
2.5
|
20
|
3/4
|
140
|
105
|
75
|
55
|
2
|
16
|
4- φ 14
|
140
|
|
90
|
3
|
25
|
1
|
150
|
115
|
85
|
65
|
2
|
16
|
4- φ 14
|
160
|
|
100
|
4.5
|
32
|
11/4
|
165
|
135
|
100
|
78
|
2
|
18
|
4- φ 18
|
160
|
|
110
|
5.7
|
40
|
11/2
|
180
|
145
|
110
|
85
|
3
|
18
|
4- φ 18
|
200
|
|
120
|
7
|
50
|
2
|
200
|
160
|
125
|
100
|
3
|
18
|
4- φ 18
|
250
|
|
135
|
9.5
|
65
|
21/2
|
220
|
180
|
145
|
120
|
3
|
20
|
4- φ 18
|
300
|
|
145
|
15
|
80
|
3
|
250
|
195
|
160
|
135
|
3
|
22
|
8- φ 18
|
350
|
|
185
|
19
|
100
|
4
|
280
|
215
|
180
|
155
|
3
|
24
|
8- φ 18
|
400
|
|
195
|
33
|
125
|
5
|
32
|
245
|
210
|
185
|
3
|
26
|
8- φ 18
|
500
|
|
210
|
58
|
150
|
6
|
360
|
280
|
240
|
210
|
3
|
28
|
8- φ 23
|
|
200
|
450
|
93
|
200
|
8
|
457
|
335
|
295
|
265
|
3
|
30
|
12- φ 23
|
|
240
|
490
|
155
|
PN 2.5MPa
|
||||||||||||
15
|
1/2
|
140
|
95
|
65
|
45
|
2
|
16
|
4- φ 14
|
120
|
|
80
|
2.5
|
20
|
3/4
|
140
|
105
|
75
|
55
|
2
|
16
|
4- φ 14
|
140
|
|
90
|
3
|
25
|
1
|
150
|
1150
|
85
|
65
|
2
|
16
|
4- φ 14
|
160
|
|
100
|
4.5
|
32
|
11/4
|
165
|
135
|
100
|
78
|
2
|
18
|
4- φ 18
|
160
|
|
110
|
5.7
|
40
|
11/2
|
180
|
145
|
110
|
85
|
3
|
18
|
4- φ 18
|
200
|
|
120
|
7
|
50
|
2
|
200
|
160
|
125
|
100
|
3
|
20
|
4- φ 18
|
250
|
|
135
|
9.5
|
65
|
21/2
|
220
|
180
|
145
|
120
|
3
|
22
|
8- φ 18
|
300
|
|
145
|
15
|
80
|
3
|
250
|
195
|
160
|
135
|
3
|
22
|
8- φ 18
|
300
|
|
185
|
19
|
100
|
4
|
280
|
230
|
190
|
160
|
3
|
24
|
8- φ 23
|
|
200
|
195
|
33
|
125
|
5
|
320
|
270
|
220
|
188
|
3
|
28
|
8- φ 25
|
|
200
|
210
|
58
|
150
|
6
|
360
|
300
|
250
|
218
|
3
|
30
|
8- φ 25
|
|
200
|
450
|
93
|