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| | | | | | 共找到关于阀阀的搜索结果34条，用时0.0034秒 |
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| | 减压稳压阀是采用控制阀体内的启闭件的开度来调节介质的流量，我公司生产加工的稳压阀阀体采用了全通道、直流式、流线型设计，水力损失小，节能效果好，压力控制稳定可靠，导阀、主阀连续工作，操作方便。 |
| time:2010-3-3 6:52:00 pv:1353 |
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| | time:2008-8-11 14:12:00 pv:201 |
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| | time:2009-10-27 16:21:00 pv:78 |
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| | time:2008-9-10 8:48:00 pv:158 |
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| | time:2009-10-13 9:02:00 pv:69 |
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| | time:2009-7-7 8:56:00 pv:125 |
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| | time:2009-6-2 14:56:00 pv:45 |
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| | time:2009-5-21 13:56:00 pv:309 |
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| | time:2009-10-8 8:57:00 pv:973 |
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| | time:2009-11-5 14:55:00 pv:163 |
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| | time:2012-4-29 9:26:00 pv:5 |
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| | time:2009-3-13 8:54:00 pv:66 |
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| | 把电动压差旁通阀安装在系统水泵附件的旁通管路中，当系统压差增大而超过控制阀设定值时，阀门则进而开大，使更多的水流经旁通阀，从而使系统压差减小，压差的减小导致阀门开度减小从而使系统压差增加。 |
| time:2008-6-3 13:32:00 pv:3310 |
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| | time:2008-11-18 14:40:00 pv:586 |
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| | time:2008-11-6 8:29:00 pv:127 |
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| | time:2009-7-14 15:26:00 pv:65 |
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| | 实现供暖运行中的量化管理，就是把热能、电能等能耗加以量化，把系统中的总流量和热用户的循环流量置于严格、精确的控制之下，将热量随流量按需分配到热用户，从而降低能耗。 |
| time:2007-7-1 9:25:00 pv:403 |
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| | time:2008-8-8 8:43:00 pv:107 |
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| | time:2008-10-12 11:38:00 pv:291 |
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| | time:2011-4-1 10:09:00 pv:34 |
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| | time:2008-8-31 8:59:00 pv:67 |
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| | time:2008-9-11 8:56:00 pv:46 |
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| | time:2012-4-10 8:21:00 pv:22 |
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| | time:2008-11-20 10:07:00 pv:322 |
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| | time:2008-9-14 8:50:00 pv:69 |
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| | time:2009-3-9 10:07:00 pv:118 |
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| | time:2008-10-22 14:26:00 pv:188 |
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| | time:2008-9-1 8:32:00 pv:51 |
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| | time:2008-11-16 8:34:00 pv:150 |
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| | time:2008-12-5 9:42:00 pv:105 |
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| | time:2009-3-23 9:47:00 pv:315 |
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