HomeYour location:HomePump valve fittingsvalve productscheck valve → 175H48Y(H)-200空排止回阀
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Product name: 175H48Y(H)-200空排止回阀
specification: 175H48Y(H)-200空排止回阀
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Category: Pump valve fittings -- 止回阀
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Price: factory price
Brand: Shanghai
Place of Origin: China
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Available Quantity: batch
delivery cycle: Spot goods (or inquire by telephone)
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  Shanghai Beiyuan Industry and Trade Co.,Ltd
+86-21-66770508
+86-139101609058

Email 91way@163.com
Wechat 13916950330(Wechat)


175H48Y(H)-200空排止回阀Detailed product description:Column tabs
175H48Y(H)-200空排止回阀主要用于火电厂给水泵出口处。配合水泵最小流量再循环阀工作,维持系统的安全运行。175H48Y(H)-200止回阀动作原理如下: 打开出口阀,给水泵启动,给水达到一定的压力后,阀芯自动升起,推离阀座,给水即流出。同时阀芯连杆拔动排空口阀片封闭排空口。当给水泵流量减小时,阀芯下落,推动连杆拔开排空阀片,开启再循环门维持水泵最小流量。当停泵时,阀芯自动下落关闭通道,从而防止高压水锤对给水系统的破坏。

175H48Y(H)-200空排止回阀主要参数 :

公称压力 PN/MPa
壳体试验压力 Ps/MPa
工作压力 PN/MPa
适用介质
工作温度/℃
20.O
30.O
20.O
≤160

零件名称

材料

阀体、定位轮、连接法兰、排气法兰、法兰盖

碳素铸钢

导向轴、拔叉、轴套、滑块、排放套、排气盘

不锈钢

螺栓、螺柱

铬钼钢

衬套

铸铝青铜

阀瓣、阀瓣体、阀瓣轴、连接叉、螺母

优质碳素钢


175H48Y(H)-200空排止回阀外形尺寸

175H48Y(H)-200空排止回阀
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