金沙注册官网488608com主要生产(H76H对夹双瓣止回阀)也是国内(止回阀)生产商之一。公司经营范围:阀门,管件,流体设备的生产,加工,销售,管道配件,建筑材料,五金交电,自控设备的销售!规格齐全,质量可靠、价格合理、售后服务完善、金沙注册官网488608com品质,全球共享!
对夹双瓣止回阀产品简介: 由阀体、阀瓣、阀杆及弹簧等零件组成,采用对夹式连接,结构紧凑。由于阀瓣的关闭行程短,并有弹簧加载,关闭速度快,可显著减少水锤现象。产品具有体积小、重量轻、动作灵敏、密封可靠、安装方便等特点。
对夹双瓣止回阀工作原理: H76H对夹双瓣止回阀的双阀瓣结构采用弹簧负荷阀瓣,悬挂在中心垂直的销轴上。阀门开启时,流体作用的合力在阀瓣密封表面中心处,而起着反作用的弹簧支架力的作用点位于阀瓣面中心的位置,使得阀瓣根部首先开启。这就避免了旧型常规阀门在阀瓣开启时所出现的密封表面摩擦现象,消除了部件的磨损,增加了阀门密封的持久性。当流速减缓,在扭转弹簧反作用力的作用下,使得阀瓣逐渐向阀座靠近,阀门进入了慢关闭阶段。但流通倒流时,在倒流流体对阀瓣的作用力和扭转弹簧反作用力的共同作用下,阀瓣的关闭相应地随之加大,进入快速关闭阶段。这有效地较小水锤现象的影响,降低水击的危害。在关闭时,弹簧力作用点的作用使得阀瓣顶端首先关闭。这防止了阀瓣根部出现咬模现象,使得阀门密封面能够有较长的使用寿命。
对夹双瓣止回阀产品特点: 1、对夹双瓣止回阀结构长度短,其结构长度只有传统法兰止回阀的1/4~1/8; 2、体积小,重量轻,其重量只有传统法兰止回阀的1/4~1/20; 3、对夹双瓣蝶形止回阀阀瓣关闭快速,水锤压力小; 4、水平管道和垂直管道都可以使用,安装方便; 5、对夹双瓣蝶形止回阀流到通畅,流体阻力小; 6、动作灵敏,密封性能好; 7、对夹双瓣蝶形止回阀阀瓣行程短,冲击力小; 8、整体结构简单紧凑,造型美观; 9、使用寿命长,可靠性高。
H76H对夹双瓣止回阀结构图:

主要尺寸:
H76对夹双瓣旋启式止回阀(美标) H76 double discs wafer type swing check valve (ANSI standard) 主要尺寸及重量 Main dimensions and weigth
压力级 Pressure rating |
口径 DN |
尺寸(mm) Dimension |
重量 (kg) Weight |
配管法兰(供参考) Flange(as referenced) |
NPS |
DN |
L |
D |
D3 |
D2 |
螺栓孔中 心圆直径D1 The diameter of the bore central circle of bolt |
螺栓 数量 Quantity of the bolt |
累栓直径 Diameter of the bolt |
螺栓长度L1 Length of the bolt |
in |
mm |
RF |
RJ |
Class 150 PN2.0MPa |
2 |
50 |
60 |
103 |
56 |
51 |
2 |
120.5 |
4 |
5/8 |
M16 |
140 |
155 |
2 1/2 |
65 |
67 |
122 |
73 |
65 |
3 |
139.5 |
4 |
5/8 |
M16 |
150 |
165 |
3 |
80 |
73 |
135 |
88 |
80 |
4 |
152.5 |
4 |
5/8 |
M16 |
160 |
175 |
4 |
100 |
73 |
173 |
108 |
102 |
6 |
190.5 |
8 |
5/8 |
M16 |
170 |
185 |
5 |
125 |
86 |
195 |
132 |
127 |
8 |
216.5 |
8 |
3/4 |
M20 |
190 |
205 |
6 |
150 |
98 |
220 |
160 |
152 |
13 |
241.5 |
8 |
3/4 |
M20 |
205 |
220 |
8 |
200 |
127 |
277 |
210 |
203 |
25 |
298.5 |
8 |
3/4 |
M20 |
240 |
255 |
10 |
250 |
146 |
337 |
366 |
254 |
39 |
362.0 |
12 |
7/8 |
M24 |
270 |
285 |
12 |
300 |
181 |
407 |
310 |
305 |
54 |
432.0 |
12 |
7/8 |
M24 |
310 |
325 |
14 |
350 |
184 |
448 |
355 |
350 |
80 |
476.0 |
12 |
1 |
M27 |
325 |
340 |
16 |
400 |
191 |
512 |
405 |
400 |
117 |
540.0 |
16 |
1 |
M27 |
340 |
355 |
18 |
450 |
203 |
547 |
455 |
450 |
138 |
578.0 |
16 |
1 1/8 |
M30 |
365 |
380 |
20 |
500 |
219 |
604 |
505 |
500 |
163 |
635.0 |
20 |
1 1/8 |
M30 |
385 |
400 |
24 |
600 |
222 |
715 |
605 |
600 |
331 |
749.5 |
20 |
1 1/4 |
M33 |
405 |
420 |
28 |
700 |
305 |
773 |
700 |
700 |
380 |
795.5 |
40 |
3/4 |
M20 |
455 |
- |
30 |
750 |
305 |
824 |
750 |
746 |
425 |
846.0 |
44 |
3/4 |
M20 |
455 |
- |
32 |
800 |
305 |
878 |
800 |
796 |
560 |
900.0 |
48 |
3/4 |
M20 |
460 |
- |
36 |
900 |
368 |
983 |
910 |
898 |
640 |
1009.5 |
44 |
7/8 |
M24 |
540 |
- |
40 |
1000 |
432 |
1142 |
1055 |
1055 |
960 |
1171.5 |
48 |
1 |
M27 |
625 |
- |
48 |
1200 |
524 |
1302 |
1205 |
1200 |
1400 |
1335.0 |
44 |
1 1/8 |
M30 |
740 |
- |
Class 300 PN5.0MPa |
2 |
50 |
60 |
110 |
58 |
51 |
3 |
127.0 |
8 |
5/8 |
M16 |
155 |
175 |
2 1/2 |
65 |
67 |
128 |
73 |
65 |
4 |
149.0 |
8 |
3/4 |
M20 |
175 |
195 |
3 |
80 |
73 |
147 |
88 |
80 |
6 |
168.5 |
8 |
3/4 |
M20 |
190 |
210 |
4 |
100 |
73 |
179 |
108 |
102 |
8 |
200.0 |
8 |
3/4 |
M20 |
195 |
215 |
5 |
125 |
86 |
214 |
132 |
127 |
15 |
235.0 |
8 |
3/4 |
M20 |
215 |
235 |
6 |
150 |
98 |
249 |
160 |
152 |
18 |
270.0 |
12 |
3/4 |
M20 |
230 |
250 |
8 |
200 |
127 |
305 |
210 |
203 |
31 |
330.0 |
12 |
7/8 |
M24 |
280 |
300 |
10 |
250 |
146 |
359 |
266 |
254 |
51 |
387.5 |
16 |
1 |
M27 |
315 |
335 |
12 |
300 |
181 |
420 |
310 |
305 |
77 |
451.0 |
16 |
1 1/8 |
M30 |
365 |
385 |
14 |
350 |
222 |
483 |
355 |
350 |
117 |
414.5 |
20 |
1 1/8 |
M30 |
410 |
430 |
16 |
400 |
232 |
537 |
405 |
400 |
190 |
571.5 |
20 |
1 1/4 |
M33 |
435 |
455 |
18 |
450 |
264 |
594 |
455 |
450 |
200 |
628.5 |
24 |
1 1/4 |
M33 |
475 |
495 |
20 |
500 |
292 |
652 |
505 |
200 |
265 |
686.0 |
24 |
1 1/4 |
M33 |
510 |
535 |
24 |
600 |
318 |
772 |
608 |
600 |
410 |
813.0 |
24 |
1 1/2 |
M33 |
560 |
560 | H76对夹双瓣旋启式止回阀(美标) H76 double discs wafer type swing check valve(ANSI standard)
压力级 Pressure rating |
口径 DN |
尺寸(mm) Dimension |
重量 (kg) Weight |
配管法兰(供参考) Flange(as referenced) |
NPS |
DN |
L |
D |
D3 |
D2 |
螺栓孔中 心圆直径D1 The diameter of the bore central circle of bolt |
螺栓 数量 Quantity of the bolt |
累栓直径 Diameter of the bolt |
螺栓长度L1 Length of the bolt |
in |
mm |
RF |
RJ |
Class 300 PN5.0MPa |
30 |
750 |
368 |
882 |
740 |
735 |
660 |
921.0 |
36 |
1 3/8 |
M36 |
650 |
- |
36 |
900 |
483 |
1044 |
880 |
873 |
1020 |
1089.0 |
32 |
1 5/8 |
M42 |
800 |
- |
42 |
1050 |
568 |
1196 |
1045 |
1035 |
1540 |
1244.5 |
36 |
1 3/4 |
M45 |
920 |
- |
48 |
1200 |
629 |
1385 |
1190 |
1179 |
2260 |
1416.0 |
40 |
1 7/8 |
M48 |
1010 |
- |
Class 600 PN11.0MPa |
2 |
50 |
60 |
110 |
58 |
51 |
4 |
127.0 |
8 |
5/8 |
M16 |
175 |
180 |
2 1/2 |
65 |
67 |
128 |
73 |
65 |
5 |
149.0 |
8 |
3/4 |
M20 |
195 |
200 |
3 |
80 |
73 |
147 |
88 |
80 |
8 |
168.5 |
8 |
3/4 |
M20 |
210 |
215 |
4 |
100 |
79 |
191 |
108 |
102 |
11 |
216.0 |
8 |
7/8 |
M24 |
235 |
240 |
5 |
125 |
105 |
239 |
136 |
127 |
20 |
267.0 |
8 |
1 |
M27 |
280 |
285 |
6 |
150 |
136 |
264 |
162 |
152 |
26 |
292.0 |
12 |
1 |
M27 |
320 |
325 |
8 |
200 |
165 |
318 |
212 |
200 |
55 |
349.0 |
12 |
1 1/8 |
M30 |
370 |
375 |
10 |
250 |
213 |
398 |
266 |
250 |
103 |
432.0 |
16 |
1 1/4 |
M33 |
440 |
445 |
12 |
300 |
229 |
455 |
312 |
305 |
140 |
489.0 |
20 |
1 1/4 |
M33 |
460 |
465 |
14 |
350 |
273 |
490 |
355 |
337 |
223 |
527.0 |
20 |
1 3/8 |
M36 |
520 |
525 |
16 |
400 |
35
| 562 |
400, |
387 |
360 |
<, , FONT size=2>603.0 |
20 |
1 1/2 |
M39 |
575 |
580 |
18 |
450 |
362 |
610 |
450 |
438 |
395 |
654.0 |
20 |
1 5/8 |
M42 |
650 |
655 |
20 |
500 |
368 |
680 |
500 |
489 |
518 |
724.0 |
24 |
1 5/8 |
M42 |
670 |
680 |
24 |
600 |
438 |
786 |
600 |
591 |
836 |
838.0 |
24 |
1 7/8 |
M48 |
780 |
790 |
Class 900 PN5.0MPa |
2 |
50 |
70 |
140 |
58 |
51 |
8 |
165.0 |
8 |
7/8 |
M24 |
225 |
230 |
2 1/2 |
65 |
83 |
162 |
73 |
65 |
11 |
190.5 |
8 |
1 |
M27 |
250 |
255 |
3 |
80 |
83 |
165 |
90 |
80 |
14 |
190.5 |
8 |
7/8 |
M24 |
240 |
245 |
4 |
100 |
102 |
204 |
108 |
102 |
20 |
235.0 |
8 |
1 1/8 |
M30 |
285 |
290 |
5 |
125 |
110 |
245 |
136 |
127 |
30 |
279.5 |
8 |
1 1/4 |
M33 |
310 |
315 |
6 |
150 |
159 |
286 |
162 |
150 |
42 |
317.5 |
12 |
1 1/8 |
M30 |
365 |
370 |
8 |
200 |
206 |
356 |
212 |
200 |
8 |
393.5 |
12 |
1 3/8 |
M36 |
440 |
445 |
10 |
250 |
241 |
432 |
266 |
250 |
145 |
470.0 |
16 |
1 3/8 |
M36 |
490 |
495 |
12 |
300 |
292 |
495 |
312 |
305 |
220 |
533.5 |
20 |
1 3/8 |
M36 |
560 |
565 |
14 |
350 |
356 |
518 |
355 |
337 |
350 |
559.0 |
20 |
1 1/2 |
M39 |
645 |
655 |
16 |
400 |
384 |
572 |
400 |
387 |
470 |
616.0 |
20 |
1 5/8 |
M42 |
685 |
695 |
18 |
450 |
451 |
635 |
450 |
438 |
605 |
686.0 |
20 |
1 7/8 |
M48 |
790 |
805 |
20 |
500 |
451 |
695 |
496 |
487 |
820 |
749.5 |
20 |
2 |
M52 |
810 |
825 |
24 |
600 |
495 |
835 |
600 |
591 |
1050 |
901.5 |
20 |
2 1/2 |
M64 |
945 |
965 |
Class 1500 PN26.0MPa |
2 |
50 |
70 |
140 |
58 |
51 |
8 |
165.0 |
8 |
7/8 |
M24 |
225 |
230 |
2 1/2 |
65 |
83 |
162 |
73 |
65 |
11 |
190.5 |
8 |
1 |
M27 |
250 |
255 |
3 |
80 |
83 |
172 |
90 |
80 |
19 |
203.0 |
8 |
1 1/8 |
M30 |
270 |
275 |
4 |
100 |
102 |
207 |
108 |
102 |
26 |
241.5 |
8 |
1 1/4 |
M33 |
310 |
315 |
5 |
125 |
110 |
252 |
136 |
127 |
51 |
292.0 |
8 |
1 1/2 |
M39 |
370 |
375 |
6 |
150 |
150 |
280 |
162 |
150 |
68 |
317.5 |
12 |
1 3/8 |
M36 |
430 |
440 |
8 |
200 |
206 |
350 |
212 |
200 |
130 |
393.5 |
12 |
1 5/8 |
M42 |
510 |
520 |
10 |
250 |
248 |
433 |
266 |
254 |
210 |
482.5 |
12 |
1 7/8 |
M48 |
600 |
610 |
12 |
300 |
305 |
518 |
312 |
305 |
384 |
571.5 |
16 |
2 |
M52 |
695 |
715 |
14 |
350 |
356 |
576 |
355 |
337 |
550 |
635.0 |
16 |
2 1/4 |
M56 |
775 |
800 |
16 |
400 |
384 |
639 |
400 |
387 |
635 |
705.0 |
16 |
2 1/2 |
M64 |
850 |
880 | H76对夹双瓣旋启式止回阀(美标) H76 double discs wafer type swing check valve(ANSI standard)
压力级 Pressure rating |
口径 DN |
尺寸(mm) Dimension |
重量 (kg) Weight |
配管法兰(供参考) Flange(as referenced) |
NPS |
DN |
L |
D |
D3 |
D2 |
螺栓孔中 心圆直径D1 The diameter of the bore central circle of bolt |
螺栓 数量 Quantity of the bolt |
累栓直径 Diameter of the bolt |
螺栓长度L1 Length of the bolt |
in |
mm |
RF |
RJ |
Class 2500 PN42.0MPa |
2 |
50 |
70 |
143 |
48 |
42 |
10 |
171.5 |
8 |
1 |
M27 |
255 |
260 |
2 1/2 |
65 |
83 |
166 |
58 |
58 |
18 |
197.0 |
8 |
1 1/8 |
M30 |
290 |
305 |
3 |
80 |
86 |
194 |
68 |
68 |
26 |
228.5 |
8 |
1 1/4 |
M33 |
320 |
330 |
4 |
100 |
105 |
232 |
94 |
94 |
40 |
273.0 |
8 |
1 1/2 |
M39 |
37 |
380 |
5 |
125 |
110 |
277 |
106 |
106 |
59 |
324.0 |
8 |
1 3/4 |
M45 |
420 |
435 |
6 |
150 |
159 |
315 |
162 |
162 |
90 |
368.5 |
8 |
2 |
M52 |
515 |
530 |
8 |
200 |
206 |
385 |
186 |
186 |
150 |
438.0 |
12 |
2 |
M52 |
600 |
620 |
10 |
250 |
254 |
474 |
232 |
232 |
240 |
539.5 |
12 |
2 1/2 |
M64 |
750 |
775 |
12 |
300 |
305 |
547 |
272 |
272 |
440 |
619.0 |
12 |
2 3/4 |
M70 |
855 |
885 |
H76对夹双瓣旋启式止回阀(国标)
H76 double discs wafer type swing check valve(GB standard)
公称通径 DN mm Norminal diameter |
公称压力 PN MPa Norminal pressure |
尺寸(mm) Dimension |
重量 (kg) Weight |
配管法兰(供参考) Flange(as referenced) |
L |
D |
D3 |
D2 |
螺栓孔中心圆直径D1 The diameter of the bore central circle of bolt |
螺栓数量 Quantity of the bolt |
螺栓直径d Diameter of the bolt |
螺栓长度L1 Length of the bolt |
PN1.0MPa |
50 |
60 |
108 |
56 |
51 |
2 |
125 |
4 |
M16 |
150 |
65 |
67 |
128 |
73 |
65 |
3 |
145 |
4 |
M16 |
155 |
80 |
73 |
142 |
88 |
80 |
4 |
160 |
8 |
M16 |
160 |
100 |
73 |
162 |
108 |
102 |
6 |
180 |
8 |
M16 |
165 |
125 |
86 |
192 |
132 |
127 |
8 |
210 |
8 |
M16 |
180 |
150 |
98 |
218 |
160 |
152 |
13 |
240 |
8 |
M20 |
205 |
200 |
127 |
273 |
210 |
203 |
25 |
295 |
8 |
M20 |
235 |
250 |
146 |
328 |
266 |
254 |
39 |
350 |
12 |
M20 |
255 |
300 |
181 |
378 |
310 |
305 |
64 |
400 |
12 |
M20 |
290 |
350 |
184 |
438 |
355 |
350 |
85 |
460 |
16 |
M20 |
295 |
400 |
191 |
489 |
405 |
400 |
114 |
515 |
16 |
M24 |
310 |
450 |
203 |
539 |
455 |
450 |
138 |
565 |
20 |
M24 |
325 |
500 |
219 |
594 |
505 |
500 |
161 |
620 |
20 |
M24 |
345 |
600 |
222 |
696 |
605 |
600 |
250 |
725 |
20 |
M27 |
355 |
700 |
305 |
811 |
700 |
695 |
370 |
840 |
24 |
M27 |
440 |
800 |
305 |
918 |
800 |
796 |
540 |
950 |
24<, /FONT> |
M30 |
450 |
900 |
368 |
1018 |
903 |
898 |
65, 0 | , ,
1050 |
<, FONT size=2>28, |
M30 |
520 |
1000 |
432 |
1124 |
1055 |
1050 |
900 |
1160 |
28 |
M33 |
590 |
1200 |
524 |
1340 |
1205 |
1200 |
1420 |
1380 |
32 |
M36 |
695 | H76对夹双瓣旋启式止回阀(国标)
H76 double discs wafer type swing check valve(GB standard)
公称通径 DN mm Norminal diameter |
公称压力 PN MPa Norminal pressure |
尺寸(mm) Dimension |
重量 (kg) Weight |
配管法兰(供参考) Flange(as referenced) |
L |
D |
D3 |
D2 |
螺栓孔中心圆直径D1 The diameter of the bore central circle of bolt |
螺栓数量 Quantity of the bolt |
螺栓直径d Diameter of the bolt |
螺栓长度L1 Length of the bolt |
PN1.6MPa |
50 |
60 |
108 |
56 |
51 |
2 |
125 |
4 |
M16 |
150 |
65 |
67 |
128 |
73 |
65 |
3 |
145 |
4 |
M16 |
155 |
80 |
73 |
142 |
88 |
80 |
4 |
160 |
8 |
M16 |
160 |
100 |
73 |
162 |
108 |
102 |
6 |
180 |
8 |
M16 |
165 |
125 |
86 |
192 |
132 |
127 |
8 |
210 |
8 |
M16 |
180 |
150 |
98 |
218 |
160 |
152 |
13 |
240 |
8 |
M20 |
205 |
200 |
127 |
273 |
210 |
203 |
25 |
295 |
12 |
M20 |
235 |
250 |
146 |
328 |
266 |
254 |
39 |
355 |
12 |
M24 |
365 |
300 |
181 |
384 |
310 |
305 |
64 |
410 |
12 |
M24 |
305 |
350 |
184 |
444 |
355 |
350 |
85 |
470 |
16 |
M24 |
310 |
400 |
191 |
496 |
405 |
400 |
114 |
525 |
16 |
M27 |
330 |
450 |
203 |
556 |
455 |
450 |
138 |
585 |
20 |
M27 |
345 |
500 |
219 |
618 |
505 |
500 |
161 |
650 |
20 |
M30 |
370 |
600 |
222 |
732 |
605 |
600 |
250 |
770 |
20 |
M33 |
380 |
700 |
305 |
802 |
700 |
695 |
370 |
840 |
24 |
M33 |
470 |
800 |
305 |
912 |
800 |
796 |
540 |
950 |
24 |
M36 |
475 |
900 |
368 |
1012 |
903 |
898 |
650 |
1050 |
28 |
M36 |
545 |
1000 |
432 |
1126 |
1055 |
1050 |
900 |
1170 |
28 |
M39 |
620 |
1200 |
524 |
1340 |
1205 |
1200 |
1420 |
1390 |
32 |
M45 |
735 |
PN2.5MPa |
50 |
60 |
108 |
56 |
51 |
2 |
125 |
4 |
M16 |
150 |
65 |
67 |
128 |
73 |
65 |
3 |
145 |
8 |
M16 |
160 |
80 |
73 |
142 |
88 |
80 |
4 |
160 |
8 |
M16 |
170 |
100 |
73 |
168 |
108 |
102 |
6 |
190 |
8 |
M20 |
180 |
125 |
86 |
194 |
132 |
127 |
8 |
220 |
8 |
M24 |
205 |
150 |
98 |
224 |
160 |
152 |
14 |
250 |
8 |
M24 |
220 |
200 |
127 |
284 |
210 |
203 |
27 |
310 |
12 |
M24 |
255 |
250 |
146 |
341 |
266 |
254 |
42 |
370 |
12 |
M27 |
285 |
300 |
181 |
401 |
210 |
305 |
54 |
430 |
16 |
M27 |
325 |
350 |
184 |
458 |
355 |
350 |
86 |
490 |
16 |
M30 |
340 |
400 |
191 |
515 |
405 |
400 |
120 |
550 |
16 |
M33 |
360 |
450 |
203 |
565 |
455 |
450 |
148 |
600 |
20 |
M33 |
375 |
500 |
219 |
622 |
505 |
500 |
165 |
660 |
20 |
M33 |
395 |
600 |
222 |
732 |
605 |
600 |
290 |
770 |
20 |
M36 |
410 |
700 |
305 |
831 |
700 |
695 |
400 |
875 |
24 |
M39 |
500 |
800 |
305 |
942 |
800 |
796 |
580 |
990 |
24 |
M45 |
520 |
900 |
368 |
1040 |
903 |
898 |
660 |
1090 |
28 |
M45 |
590 |
1000 |
432 |
1155 |
1055 |
1050 |
960 |
1210 |
28 |
M52 |
675 |
1200 |
524 |
1365 |
1205 |
1200 |
1510 |
|
32 |
M52 |
790 | |