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LH45X限流止回阀
产品概述:
LH45X限流止回阀主要用于多泵并联使用时安装于水泵压出口,起限制水泵工作流量,防止停泵回流作用。该阀采用导阀、主阀构造,结构紧凑,重量较轻。支持水泵工作点在高校区工作,限制水泵大流量,低效率时运行,同时微阻缓闭止回停泵时,关闭无水锤现象:还可以防止水泵过载超额定电流烧坏电机。该阀的止回功能完全等同于微阻缓闭止回阀,且无关闭噪声,零回流。
产品用途:
该阀用于供水管道,起止回作用。
主要技术参数:
适用介质 |
适用温度 |
连接形式 |
阀体材质 |
清水、污水、海水 |
0-150℃ |
法兰连接 |
铸铁、铸钢 |
标准规范
法兰尺寸 |
结构长度 |
GB4216.2 |
GB/T 12221 |
主要外形连接尺寸
PN1.0-2.5mpa |
||||||||||||||||||
DN(mm) |
20 |
25 |
32 |
40 |
50 |
65 |
80 |
100 |
125 |
150 |
200 |
250 |
300 |
350 |
400 |
450 |
500 |
600 |
L |
150 |
160 |
180 |
200 |
203 |
216 |
241 |
270 |
292 |
330 |
400 |
480 |
550 |
622 |
685 |
750 |
811 |
935 |
H1 |
106 |
106 |
106 |
137 |
137 |
145 |
178 |
232 |
286 |
318 |
413 |
502 |
600 |
638 |
677 |
677 |
750 |
850 |
H |
172 |
172 |
172 |
225 |
225 |
270 |
289 |
375 |
420 |
350 |
722 |
769 |
906 |
1480 |
1027 |
1027 |
1110 |
1286 |
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