法兰止回阀
类型 |
设计与制造 |
结构长度 |
法兰尺寸 |
压力温度 |
试验-检验 |
旋启式止回阀 |
GB12236 |
GB12221 |
GB9113 JB79 |
GB9131 |
GB/T13927 JB/9092 |
升降式止回阀 |
GB12235 |
公称压力 |
1.6 |
2.5 |
4.0 |
6.4 |
10.0 |
16.0 |
强度试验 |
2.4 |
3.8 |
6.0 |
9.6 |
15.0 |
24.0 |
水密封试验 |
1.8 |
2.8 |
4.4 |
7.0 |
11.0 |
18.0 |
气密封试验 |
0.5-0.7 |
体、盖、板 |
阀杆 |
密封面 |
垫片 |
密封面 |
工作温度℃ |
适用介质 |
WCB |
WCB |
1Cr13 |
增强柔性石墨 1Cr13/柔性石墨 PTFE 齿轮垫片 |
13Cr STL 本材料 尼龙 |
≤425 |
水蒸汽油品 |
WC6 |
WC6 |
≤540 | ||||
WC9 |
WC9 |
≤570 | ||||
ZGCr5Mo |
ZGCr5Mo |
≤550 | ||||
ZG1Cr18Ni9Ti |
ZG1Cr18Ni9Ti |
ZG1Cr18Ni9Ti |
≤200 |
硝酸类 | ||
ZG1Cr18Ni12Mo9Ti |
ZG1Cr18Ni12Mo9Ti |
ZG1Cr18Ni12Mo9Ti |
≤200 |
醋酸类 |
1.6MPa |
DN |
L |
D |
D1 |
D2 |
b |
n-Φd |
H |
W(kg) |
凸面法兰
RF H41H H41Y H41W H41N 16C 16P 16R |
15 |
130 |
95 |
65 |
45 |
14 |
4-14 |
58 |
2.0 |
20 |
150 |
105 |
75 |
55 |
14 |
4-14 |
63 |
2.7 | |
25 |
160 |
115 |
85 |
65 |
14 |
4-14 |
71 |
3.5 | |
32 |
180 |
135 |
100 |
78 |
16 |
4-18 |
84 |
5.4 | |
40 |
200 |
145 |
110 |
85 |
16 |
4-18 |
96 |
6.5 | |
50 |
230 |
160 |
125 |
100 |
16 |
4-18 |
115 |
9.1 | |
65 |
290 |
180 |
145 |
120 |
18 |
4-18 |
145 |
14 | |
80 |
310 |
195 |
160 |
135 |
20 |
8-18 |
156 |
25 | |
100 |
350 |
215 |
180 |
155 |
20 |
8-18 |
170 |
40 | |
125 |
400 |
245 |
210 |
185 |
22 |
8-18 |
201 |
56 | |
150 |
480 |
280 |
240 |
210 |
24 |
8-23 |
238 |
90 | |
2.5MPa |
15 |
130 |
95 |
65 |
45 |
16 |
4-14 |
60 |
4 |
凸面法兰
RF H41H H41Y H41W H41N 25 25P 25R |
20 |
150 |
105 |
75 |
55 |
16 |
4-14 |
64 |
5 |
25 |
160 |
115 |
85 |
65 |
16 |
4-14 |
68 |
6 | |
32 |
180 |
135 |
100 |
78 |
18 |
4-18 |
79 |
9 | |
40 |
200 |
145 |
110 |
85 |
18 |
4-18 |
98 |
12 | |
50 |
230 |
160 |
125 |
100 |
20 |
4-18 |
110 |
16 | |
65 |
290 |
180 |
145 |
120 |
22 |
8-18 |
160 |
24 | |
80 |
310 |
195 |
160 |
135 |
22 |
8-18 |
170 |
31 | |
100 |
350 |
230 |
190 |
160 |
24 |
8-23 |
195 |
45 | |
125 |
400 |
270 |
220 |
188 |
28 |
8-25 |
225 |
68 | |
150 |
480 |
300 |
250 |
210 |
30 |
8-25 |
255 |
100 | |
4.0MPa |
DN |
L |
D |
D1 |
D2 |
b |
n-d |
H |
重量 |
凹凸法兰
MFM H41H H41Y H41W H41N 40 40P 40R 40I |
15 |
130 |
95 |
65 |
40 |
16 |
4-14 |
100 |
4 |
20 |
150 |
105 |
75 |
51 |
16 |
4-14 |
105 |
5 | |
25 |
160 |
115 |
85 |
58 |
16 |
4-14 |
120 |
6 | |
32 |
180 |
135 |
100 |
66 |
18 |
4-18 |
130 |
9 | |
40 |
200 |
145 |
110 |
76 |
18 |
4-18 |
135 |
12 | |
50 |
230 |
160 |
125 |
88 |
20 |
4-18 |
149 |
15 | |
65 |
290 |
180 |
145 |
110 |
22 |
8-18 |
164 |
18 | |
80 |
310 |
195 |
160 |
121 |
22 |
8-18 |
169 |
25 | |
100 |
350 |
230 |
190 |
150 |
24 |
8-23 |
194 |
35 | |
125 |
400 |
270 |
220 |
176 |
28 |
8-25 |
225 |
65 | |
150 |
480 |
300 |
250 |
204 |
30 |
8-25 |
255 |
100 | |
凹凸法兰
MFM H41H H41Y H41W H41N 64 64P 64R 64I |
15 |
210 |
105 |
75 |
40 |
18 |
4-14 |
100 |
7 |
20 |
230 |
125 |
90 |
51 |
20 |
4-18 |
110 |
11 | |
25 |
230 |
135 |
100 |
58 |
22 |
4-18 |
125 |
13 | |
32 |
260 |
150 |
110 |
66 |
24 |
4-23 |
152 |
14 | |
40 |
260 |
165 |
125 |
76 |
24 |
4-23 |
168 |
20 | |
50 |
300 |
175 |
135 |
88 |
26 |
4-23 |
170 |
23 | |
65 |
340 |
200 |
160 |
110 |
28 |
823 |
188 |
37 | |
80 |
380 |
210 |
170 |
121 |
30 |
8-23 |
205 |
46 | |
100 |
430 |
250 |
200 |
150 |
32 |
8-25 |
230 |
68 | |
125 |
500 |
295 |
240 |
176 |
36 |
8-30 |
245 |
93 | |
150 |
550 |
340 |
280 |
204 |
38 |
8-34 |
265 |
120 | |
凹凸法兰
MFM H41H H41Y H41W H41N 100 100P 100R 100I |
15 |
210 |
105 |
75 |
40 |
20 |
4-14 |
100 |
7 |
20 |
230 |
125 |
90 |
51 |
22 |
4-18 |
110 |
11 | |
25 |
230 |
135 |
100 |
58 |
24 |
4-18 |
125 |
13 | |
32 |
260 |
150 |
110 |
66 |
24 |
4-23 |
140 |
14 | |
40 |
260 |
165 |
125 |
76 |
26 |
4-23 |
168 |
25 | |
50 |
300 |
195 |
145 |
88 |
28 |
4-25 |
170 |
28 | |
65 |
340 |
200 |
170 |
110 |
32 |
8-25 |
188 |
42 | |
80 |
380 |
230 |
180 |
121 |
34 |
8-25 |
205 |
65 | |
100 |
430 |
265 |
210 |
150 |
38 |
8-30 |
230 |
95 | |
125 |
500 |
310 |
250 |
176 |
42 |
8-34 |
245 |
115 | |
150 |
550 |
350 |
290 |
204 |
46 |
12-34 |
265 |
142 |