【产品介绍】
H71对夹升降式止回阀采用短型结构尺寸和单阀瓣设计,相比传统的旋启式止回阀,该系列阀门具有无外泄露、可任意位置安装、密封性能好、线性震动小、压降小和零座圈磨损优势。
【产品特点】
1、结构与长度短,其结构长度只有传统法兰止回阀1/4-1/8
2、体积小、重量轻,其重量只有传统法兰止回阀1/4-1/20
3、阀瓣关闭快速,水锤压力小
4、水平管道或垂直管道均可使用,安装方便
【执行标准】
设计规范:GB/T 12233
结构长度:GB/T 12221
连接法兰:JB/T 79,HG20592,GB9113,ANSI
试验与检验:JB/T 9092,GB/T13927
压力-温度:GB/T 9131
产品标识:GB/T 12220
【产品型号】
材质 |
型号 |
WCB |
H71H/X-16C,H71H/X-25,H71H/X-40,H71H/X-64,H71H/X-100 |
304 |
H71H/X-16P,H71H/X-25P,H71H/X-40P,H71H/X-64P,H71H/X-100P |
316 |
H71H/X-16R,H71H/X-25R,H71H/X-40R,H71H/X-64R,H71H/X-100R |
【产品性能规范】
H71对夹升降式止回阀性能规范 | ||||||
公称压力(MPa) |
1.6 |
2.5 |
4.0 |
6.4 |
10.0 | |
密封试验压力(MPa) |
1.76 |
2.75 |
4.4 |
7.1 |
11.0 | |
壳体试验压力(MPa) |
2.4 |
3.75 |
6.0 |
9.6 |
15.0 | |
适用温度(℃) |
WCB≤350,304,316≤200 | |||||
材料 |
阀体 |
WCB,304,316 | ||||
阀瓣 |
WCB,304,316 | |||||
弹簧 |
不锈钢 | |||||
阀座 |
丁腈橡胶,合金钢 |
【主要外形连接尺寸】
H71对夹升降式止回阀国标外形尺寸 |
||||||||||
公称压力 |
公称通径 |
尺寸(mm) |
配管法兰(供参考) |
|||||||
L |
D |
D3 |
D2 |
螺栓孔中 |
螺栓数量 |
螺栓直径d |
螺栓长度L1 |
|||
4.0 |
15 |
16 |
52 |
15 |
44 |
65 |
4 |
M12 |
80 |
|
20 |
19 |
62 |
19 |
52 |
75 |
4 |
M12 |
90 |
||
25 |
22 |
72 |
24 |
60 |
85 |
4 |
M12 |
90 |
||
32 |
28 |
83 |
31 |
72 |
100 |
4 |
M16 |
110 |
||
40 |
31.5 |
93 |
39 |
74 |
110 |
4 |
M16 |
115 |
||
50 |
40 |
109 |
48 |
98 |
125 |
4 |
M16 |
125 |
||
65 |
46 |
129 |
63 |
117 |
145 |
8 |
M16 |
135 |
||
80 |
50 |
144 |
78 |
128 |
160 |
8 |
M16 |
145 |
||
100 |
60 |
168 |
98 |
/ |
190 |
8 |
M20 |
160 |
||
125 |
90 |
196 |
123 |
/ |
220 |
8 |
M24 |
205 |
||
150 |
106 |
224 |
148 |
/ |
250 |
8 |
M24 |
225 |
||
200 |
140 |
291 |
198 |
/ |
320 |
12 |
M27 |
275 |
||
250 |
160 |
353 |
248 |
/ |
385 |
12 |
M30 |
295 |
||
6.4 |
15 |
25 |
62 |
15 |
/ |
75 |
4 |
M12 |
100 |
|
20 |
31.5 |
73 |
19 |
/ |
90 |
4 |
M16 |
115 |
||
25 |
35.5 |
83 |
24 |
/ |
100 |
4 |
M16 |
130 |
||
32 |
40 |
89 |
31 |
/ |
110 |
4 |
M20 |
140 |
||
40 |
45 |
104 |
39 |
/ |
125 |
4 |
M20 |
150 |
||
50 |
56 |
114 |
48 |
/ |
135 |
4 |
M20 |
160 |
||
65 |
63 |
138 |
63 |
/ |
160 |
8 |
M20 |
170 |
||
80 |
71 |
148 |
78 |
/ |
170 |
8 |
M20 |
180 |
||
100 |
80 |
174 |
98 |
/ |
200 |
8 |
M24 |
200 |
||
125 |
110 |
211 |
123 |
/ |
240 |
8 |
M27 |
245 |
||
150 |
125 |
248 |
148 |
/ |
280 |
8 |
M30 |
270 |
||
200 |
160 |
310 |
198 |
/ |
345 |
8 |
M33 |
325 |
||
250 |
180 |
362 |
248 |
/ |
400 |
8 |
M33 |
350 |
||
10.0 |
15 |
25 |
62 |
15 |
/ |
75 |
4 |
M12 |
100 |
|
20 |
31.5 |
73 |
19 |
/ |
90 |
4 |
M16 |
115 |
||
25 |
35.5 |
83 |
24 |
/ |
100 |
4 |
M16 |
130 |
||
32 |
40 |
89 |
31 |
/ |
110 |
4 |
M20 |
140 |
||
40 |
45 |
104 |
39 |
/ |
125 |
4 |
M20 |
150 |
||
50 |
56 |
120 |
48 |
/ |
145 |
4 |
M24 |
172 |
||
65 |
63 |
144 |
63 |
/ |
170 |
8 |
M24 |
185 |
||
80 |
71 |
154 |
78 |
/ |
180 |
8 |
M24 |
195 |
||
100 |
80 |
181 |
98 |
/ |
210 |
8 |
M27 |
220 |
||
125 |
110 |
218 |
123 |
/ |
250 |
8 |
M30 |
265 |
||
150 |
125 |
258 |
148 |
/ |
290 |
12 |
M30 |
285 |
||
200 |
160 |
324 |
198 |
/ |
360 |
12 |
M33 |
345 |
||
250 |
180 |
392 |
248 |
/ |
430 |
12 |
M36 |
365 |
H71对夹升降式止回阀美标外形尺寸 | |||||||||||
压力级 |
口径DN |
尺寸(mm) |
配管法兰(供参考) | ||||||||
NPS |
DN |
L |
D |
D3 |
D2 |
螺栓孔中 |
螺栓数量 |
螺栓直径d |
螺栓长度L1 |
| |
in |
mm |
| |||||||||
Class150 |
1/2 |
15 |
16 |
46 |
15 |
44 |
60.5 |
4 |
1/2 |
M14 |
90 |
3/4 |
20 |
19 |
56 |
19 |
52 |
70 |
4 |
1/2 |
M14 |
100 | |
/ |
25 |
22 |
65 |
24 |
60 |
79.5 |
4 |
1/2 |
M14 |
110 | |
1 1/4 |
32 |
28 |
74 |
31 |
72 |
89 |
4 |
1/2 |
M14 |
120 | |
1 1/2 |
40 |
31.5 |
84 |
39 |
74 |
98.5 |
4 |
1/2 |
M14 |
130 | |
2 |
50 |
40 |
103 |
48 |
98 |
120.5 |
4 |
5/8 |
M16 |
145 | |
2 1/2 |
65 |
46 |
122 |
63 |
117 |
139.5 |
4 |
5/8 |
M16 |
160 | |
3 |
80 |
50 |
135 |
78 |
128 |
152.5 |
4 |
5/8 |
M16 |
170 | |
4 |
100 |
60 |
173 |
98 |
- |
190.5 |
8 |
5/8 |
M16 |
180 | |
5 |
125 |
90 |
195 |
123 |
- |
216.0 |
8 |
3/4 |
M20 |
210 | |
6 |
150 |
106 |
220 |
148 |
- |
241.5 |
8 |
3/4 |
M20 |
230 | |
8 |
200 |
140 |
277 |
198 |
- |
298.5 |
8 |
3/4 |
M20 |
270 | |
10 |
250 |
160 |
337 |
248 |
- |
362.0 |
12 |
7/8 |
M24 |
290 | |
Class300 |
1/2 |
15 |
25 |
52 |
15 |
- |
66.5 |
4 |
1/2 |
M14 |
100 |
3/4 |
20 |
31.5 |
65 |
19 |
- |
82.5 |
4 |
5/8 |
M16 |
110 | |
/ |
25 |
35.5 |
72 |
24 |
- |
89 |
4 |
5/8 |
M16 |
120 | |
1 1/4 |
32 |
40 |
81 |
31 |
- |
98.5 |
4 |
5/8 |
M16 |
130 | |
1 1/2 |
40 |
45 |
94 |
39 |
- |
114.5 |
4 |
3/4 |
M20 |
140 | |
2 |
50 |
56 |
110 |
48 |
- |
127.0 |
8 |
5/8 |
M16 |
150 | |
2 1/2 |
65 |
63 |
128 |
63 |
- |
149.0 |
8 |
3/4 |
M20 |
170 | |
3 |
80 |
71 |
148 |
78 |
- |
168.5 |
8 |
3/4 |
M20 |
190 | |
4 |
100 |
80 |
179 |
98 |
- |
200.0 |
8 |
3/4 |
M20 |
200 | |
5 |
125 |
110 |
214 |
123 |
- |
235.0 |
8 |
3/4 |
M20 |
240 | |
6 |
150 |
125 |
249 |
148 |
- |
270.0 |
12 |
3/4 |
M20 |
260 | |
8 |
200 |
160 |
305 |
198 |
- |
330.0 |
12 |
7/8 |
M24 |
310 | |
10 |
250 |
180 |
359 |
248 |
- |
387.5 |
16 |
1 |
M27 |
330 | |
Class600 |
1/2 |
15 |
25 |
52 |
15 |
- |
66.5 |
4 |
1/2 |
M14 |
100 |
3/4 |
20 |
31.5 |
65 |
19 |
- |
82.5 |
4 |
5/8 |
M16 |
110 | |
/ |
25 |
35.5 |
72 |
24 |
- |
89.0 |
4 |
5/8 |
M16 |
120 | |
1 1/4 |
32 |
40 |
81 |
31 |
- |
98.5 |
4 |
5/8 |
M16 |
130 | |
1 1/2 |
40 |
45 |
94 |
39 |
- |
114.5 |
4 |
3/4 |
M20 |
140 | |
2 |
50 |
56 |
110 |
48 |
- |
127.0 |
8 |
5/8 |
M16 |
150 | |
2 1/2 |
65 |
63 |
128 |
63 |
- |
149.0 |
8 |
3/4 |
M20 |
170 | |
3 |
80 |
71 |
147 |
78 |
- |
168.5 |
8 |
3/4 |
M20 |
190 | |
4 |
100 |
80 |
191 |
98 |
- |
216.0 |
8 |
3/4 |
M24 |
200 | |
5 |
125 |
110 |
239 |
123 |
- |
267.0 |
8 |
3/4 |
M27 |
240 | |
6 |
150 |
125 |
264 |
148 |
- |
292.0 |
12 |
3/4 |
M27 |
290 | |
8 |
200 |
160 |
318 |
198 |
- |
349.0 |
12 |
7/8 |
M30 |
350 | |
10 |
250 |
180 |
398 |
248 |
- |
432.0 |
16 |
1 |
M33 |
370 | |
Class900 |
1/2 |
15 |
25 |
62 |
25 |
15 |
82.5 |
4 |
3/4 |
M20 |
125 |