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武穴黎翔机电设备有限公司，询价联系人：何琴

询价电话：0713-6542758，18934630908    

询价传真：0713-6542758

询价QQ: 736567721,704552157 注意流量孔径和接管口径；比例阀一般只有开关两位控制；条件允许请安装旁路管，便于维修；有水锤现象时要定制比例阀的开闭时间调节。
注意环境温度对比例阀的影响。
电源电流和消耗功率应根据输出容量选取，电源电压一般允许±10%左右，必须注意交流启动时VA值较高。
可靠性 -比例阀分为常闭和常开二种；一般选用常闭型，通电打开，断电关闭；但在开启时间很长，关闭时间很短时要选用常开型了。
寿命试验，工厂一般属于型式试验项目，确切地说我国还没有比例阀的专业标准，因此选用比例阀厂家时要慎重。
动作时间很短，频率较高时一般选取直动式，大口径选用快速系列。
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