角式衬氟截止阀概述: 衬氟角式截止阀适用在-50~150℃的各种浓度的王水、流酸、盐酸、氢氟酸和各种有机酸、强酸、强氧化剂,还适用于各种浓度的强碱有机溶剂以及其它腐蚀性气体,液体介质的管路上使用.
角式衬氟截止阀执行标准: 设计规范:GB/T 12233 GB/T 12235 结构长度:GB/T 12221 连接法兰:JB/T 78 JB/T 79 试验与检验:GB/T 13927 产品标识:GB/T 12220 供货规范:JB/T 7928
角式衬氟截止阀性能规范:
衬里、阀座 |
适用温度(℃) |
适用介质 |
PTFE(F4) |
≤180 |
除熔融碱金属、元素氟外的各种浓度的酸、碱、盐、王水、有机酸等强腐蚀性介质 |
PCTFE(F3) |
≤120 |
FEP(F46) |
≤150 |
PFA(可熔性F4) |
≤180 |
PVDF(F2) |
≤100 |
RPTFE(RF4) |
≤180 |
角式衬氟截止阀主要零件:
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 | | |