襯氟角式截止閥概述:
襯氟角式截止閥適用在-50~150℃的各種濃度的王水、流酸、鹽酸、氫氟酸和各種有機酸、強酸、強氧化劑,還適用于各種濃度的強堿有機溶劑以及其它腐蝕性氣體,液體介質的管路上使用.
工作(zuo)原理/適用范(fan)圍(wei):
襯氟角式截止(zhi)閥(fa)(fa)具有結(jie)構(gou)緊湊(cou)、啟閉靈活、耐(nai)腐蝕(shi)性能強(qiang),行程短(一(yi)般為公稱通經(jing)的1/4)等(deng)優點。被廣泛應用(yong)(yong)(yong)在(zai)石油、化工等(deng)管路(lu)系統中做(zuo)截斷介(jie)質用(yong)(yong)(yong),但塑料(liao)襯里的截止(zhi)閥(fa)(fa)嚴禁(jin)用(yong)(yong)(yong)做(zuo)流(liu)量調(diao)節(jie),以免節(jie)流(liu)口處(chu)產生(sheng)的高速介(jie)質流(liu)沖蝕(shi)破(po)壞密封(feng)面。閥(fa)(fa)瓣與(yu)閥(fa)(fa)桿設(she)計為一(yi)體結(jie)構(gou),用(yong)(yong)(yong)以防止(zhi)由(you)于(yu)管路(lu)壓力波動(dong)造成(cheng)內件沖出閥(fa)(fa)體的可能性,結(jie)構(gou)緊湊(cou),使用(yong)(yong)(yong)安全。
設計(ji)規(gui)范(fan)遵循(xun)GB/T 12233,GB/T12235,ANSI B 16.34標(biao)準
驅動(dong)方式(shi)手動(dong)、蝸(gua)輪轉動(dong)、氣動(dong)(常開或(huo)常閉)、電動(dong)
主要零部件材料表
序號
|
零(ling)件名稱
|
灰鑄鐵
|
鑄(zhu)鋼(gang)
|
不銹耐酸鑄鋼
|
超低碳不銹耐酸鑄鋼
|
Z
|
C
|
P
|
R
|
PL
|
RL
|
1
|
閥體/閥蓋
|
HT250
|
WCB
|
CF8
|
CF8M
|
CF3
|
CF3M
|
2
|
球體(ti)/閥(fa)桿
|
25
|
2Cr13
|
1Cr18Ni9
|
1Cr18Ni12Mo2Ti
|
00Cr18Ni10
|
00Cr17Ni14Mo2
|
3
|
襯里/閥座
|
PCTEF(F3),FEP(F46),PFA(可溶F4),PP,PO
|
4
|
填料壓蓋
|
WCB
|
CF8
|
CF8M
|
CF3
|
CF3M
|
5
|
填(tian)料
|
PTFE(F4)
|
PTFE(F4)
|
PTFE(F4)
|
6
|
活節螺(luo)栓
|
35
|
1Cr17Ni2
|
1Cr17Ni2
|
7
|
閥桿螺母
|
ZCuAl10Fe3
|
ZCuAl10Fe3
|
ZCuAl10Fe3
|
8
|
緊(jin)固(gu)螺(luo)栓
|
35
|
1Cr17Ni2
|
1Cr18Ni9Ti
|
9
|
螺(luo)母
|
45
|
0Cr18Ni9
|
0Cr18Ni9
|
10
|
手柄
|
WCB
|
WCB
|
WCB
|
主要外形和連接尺寸
公稱(cheng)通經
|
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
|
|