角式衬氟截止阀具有结构紧凑、启闭灵活、耐腐蚀性能强，行程短（一般为公称通经1/4）等优点。被广泛应用在石油、化工等管路系统中做截断介质用，但塑料衬里的截止阀严禁用做流量调节，以免节流口处产生的高速介质流冲蚀破坏密封面。阀瓣与阀杆设计为一体结构，用以防止由于管路压力波动造成内件冲出阀体的可能性，结构紧凑，使用安全。
设计规范遵循GB/T 12233，GB/T12235，ANSI B 16.34标准
驱动方式手动、蜗轮转动、气动(常开或常闭)、电动
角式衬氟截止阀主要零部件材料表
|
序号
|
零件名称
|
灰铸铁
|
铸钢
|
不锈耐酸铸钢
|
超低碳不锈耐酸铸钢
|
|
Z
|
C
|
P
|
R
|
PL
|
RL
|
|
1
|
阀体/阀盖
|
HT250
|
WCB
|
CF8
|
CF8M
|
CF3
|
CF3M
|
|
2
|
球体/阀杆
|
25
|
2Cr13
|
1Cr18Ni9
|
1Cr18Ni12Mo2Ti
|
00Cr18Ni10
|
00Cr17Ni14Mo2
|
|
3
|
衬里/阀座
|
PCTEF(F3),FEP(F46),PFA(可溶F4),PP,PO
|
|
4
|
填料压盖
|
WCB
|
CF8
|
CF8M
|
CF3
|
CF3M
|
|
5
|
填料
|
PTFE(F4)
|
PTFE(F4)
|
PTFE(F4)
|
|
6
|
活节螺栓
|
35
|
1Cr17Ni2
|
1Cr17Ni2
|
|
7
|
阀杆螺母
|
ZCuAl10Fe3
|
ZCuAl10Fe3
|
ZCuAl10Fe3
|
|
8
|
紧固螺栓
|
35
|
1Cr17Ni2
|
1Cr18Ni9Ti
|
|
9
|
螺母
|
45
|
0Cr18Ni9
|
0Cr18Ni9
|
|
10
|
手柄
|
WCB
|
WCB
|
WCB
|
角式衬氟截止阀主要外形和连接尺寸
|
公称通经
|
L
|
D
|
D1
|
D2
|
f
|
b
|
Z-φd
|
|
DN(mm)
|
NPS(inch)
|
PN1.0MPa
|
|
15
|
1/2
|
90
|
95
|
65
|
45
|
2
|
14
|
4-φ14
|
|
20
|
3/4
|
95
|
105
|
75
|
55
|
2
|
16
|
4-φ14
|
|
25
|
1
|
100
|
115
|
85
|
65
|
2
|
16
|
4-φ14
|
|
32
|
11/4
|
105
|
135
|
100
|
78
|
2
|
18
|
4-φ18
|
|
40
|
11/2
|
115
|
145
|
110
|
85
|
3
|
18
|
4-φ18
|
|
50
|
2
|
125
|
160
|
125
|
100
|
3
|
20
|
4-φ18
|
|
65
|
21/2
|
145
|
180
|
145
|
120
|
3
|
20
|
4-φ18
|
|
80
|
3
|
155
|
195
|
160
|
135
|
3
|
22
|
4-φ18
|
|
100
|
4
|
175
|
215
|
180
|
155
|
3
|
22
|
8-φ18
|
|
125
|
5
|
200
|
245
|
210
|
185
|
3
|
24
|
8-φ18
|
|
150
|
6
|
225
|
280
|
240
|
210
|
3
|
24
|
8-φ23
|
|
200
|
8
|
275
|
335
|
295
|
265
|
3
|
26
|
8-φ23
|
|
250
|
10
|
325
|
390
|
350
|
320
|
3
|
28
|
12-φ23
|
|
300
|
12
|
375
|
440
|
400
|
368
|
4
|
28
|
12-φ23
|
|
PN1.6MPa
|
|
15
|
1/2
|
90
|
95
|
65
|
45
|
2
|
14
|
4-φ14
|
|
20
|
3/4
|
95
|
105
|
75
|
55
|
2
|
16
|
4-φ14
|
|
25
|
1
|
100
|
115
|
85
|
65
|
2
|
16
|
4-φ14
|
|
32
|
11/4
|
105
|
135
|
100
|
78
|
2
|
18
|
4-φ18
|
|
40
|
11/2
|
115
|
145
|
110
|
85
|
3
|
18
|
4-φ18
|
|
50
|
2
|
125
|
160
|
125
|
100
|
3
|
20
|
4-φ18
|
|
65
|
21/2
|
145
|
180
|
145
|
120
|
3
|
20
|
4-φ18
|
|
80
|
3
|
155
|
195
|
160
|
135
|
3
|
22
|
8-φ18
|
|
100
|
4
|
175
|
215
|
180
|
155
|
3
|
24
|
8-φ18
|
|
125
|
5
|
200
|
245
|
210
|
185
|
3
|
26
|
8-φ18
|
|
150
|
6
|
225
|
280
|
240
|
210
|
3
|
28
|
8-φ23
|
|
200
|
8
|
275
|
335
|
295
|
265
|
3
|
30
|
8-φ23
|
|
PN2.5MPa
|
|
15
|
1/2
|
90
|
95
|
65
|
45
|
2
|
16
|
4-φ14
|
|
20
|
3/4
|
95
|
105
|
75
|
55
|
2
|
16
|
4-φ14
|
|
25
|
1
|
100
|
115
|
85
|
65
|
2
|
16
|
4-φ14
|
|
32
|
11/4
|
105
|
135
|
100
|
78
|
2
|
18
|
4-φ18
|
|
40
|
11/2
|
115
|
145
|
110
|
85
|
3
|
18
|
4-φ18
|
|
50
|
2
|
125
|
160
|
125
|
100
|
3
|
20
|
4-φ18
|
