商铺名称:上海韦米机电设备有限公司
联系人:雷青(先生)
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联系地址:上海市浦东新区金豫路100号禹洲金桥国际2期2号楼907室
邮编:201206
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力士乐单向阀SL30PA2-42是上海韦米机电设备有限公司主营产品之一,销售热线:021-61116913;联系人:雷青;在线QQ:2896079243;移动热线:13524123009;现货供应。欢迎新老客户来电咨询采购!
单向阀又称止回阀或逆止阀。用于液压系统中防止油流反向流动,或者用于气动系统中防止压缩空气逆向流动。
单向阀Check Valve
单向阀又称止回阀或逆止阀。用于液压系统中防止油流反向流动,或者用于气动系统中防止压缩空气逆向流动。
单向阀有直通式和直角式两种。直通式单向阀用螺纹连接安装在管路上。直角式单向阀有螺纹连接、板式连接和法兰连接三种形式。液控单向阀也称闭锁阀或保压阀,它与单向阀相同,用以防止油液反向流动。但在液压回路中需要油流反向流动时又可利用控制油压,打开单向阀,使油流在两个方向都可流动。液控单向阀采用锥形阀芯,因此密封性能好。在要求封闭油路时,可用此阀作为油路的单向锁紧而起保压作用。液控单向阀控制油的泄漏方式有内泄式和外泄式二种。在油流反向出口无背压的油路中可用内泄式;否则需用外泄式,以降低控制油压力。
力士乐单向阀SL30PA2-42
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力士乐单向节流阀,rexroth单向阀
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力士乐单向阀 R900392949 Z2S6B1-6X/SO40
力士乐单向阀 R900347510 Z2S6B1-6X/V
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力士乐单向阀 R900347502 Z2S6B2-6X/
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力士乐单向阀 R900324574 INSERTZ2S22-1-5X/
力士乐单向阀 R900320807 NON-RETURNVALVED7,5-1,5B/Z2S6
力士乐单向阀 R900318957 MOUNTINGKITZ2S6.-6X/
力士乐单向阀 0811024015 Z2S6B1-1X/SO55
力士乐单向阀 0811020030 Z2SR10-1-1X/
力士乐单向阀 0811020029 Z2SR10B1-1X/
力士乐节流阀,rexroth节流阀,博世力士乐节流阀,博世流量阀,博世比例阀
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力士乐单向阀 R900702136 Z2FS10A5-3X/SVSO30
力士乐单向阀 R900694315 KOLBENZ2FS6.-4X/2Q
力士乐单向阀 R900683241 BUCHSEZ2FS6-4X/
力士乐单向阀 R900683240 KOLBENZ2FS6.-4X/1Q
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力士乐单向阀 R900584700 Z2FS6A7-4X/1QV
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力士乐单向阀 R900438760 Z2FS6B2-4X/1QV
力士乐单向阀SL30PA2-42
单向阀是流体只能沿一个方向流通,另一方向不能通过的阀。单向阀就是止回阀 止回阀只供防止各类管路或设备上流体介质逆流的单向启闭阀。 止回阀用途广泛,有很多种类,下面说的是供水和热力常用的止回阀: 1、弹簧式:液体由下而上,依靠压力顶起弹簧控制的阀瓣,压力消失后,弹簧力将阀瓣压下,封闭液体倒流。常用于通径较小的止回阀。 2、重力式:和弹簧式相似,依靠阀瓣的自身重力封闭,防止倒流。 3、旋启式:液体在阀体内直通,依靠压力顶开一侧的旋转阀瓣,压力失去后,阀瓣依靠自重回位,反向的液体压力封闭阀瓣。 其它的单向阀(止回阀),如排污的止回阀,人防的防爆阀和液体使用的止回阀的原理是大同小异
单向阀
安装位置
单向阀就是止回阀 旋启式止回阀安装位置不受限制,通常安装于水平管路,但也可以安装于垂直管路或倾斜管路上。
注意事项
安装止回阀时,应特别注意介质流动方向,应使介质正常流动方向与阀体上指示的箭头方向相一致,否则就会截断介质的正常流动。底阀应安装在水泵吸水管路的底端。
止回阀关闭时,会在管路中产生水锤压力,严重时会导致阀门、管路或设备的损坏,尤其对于大口管路或高压管路,故应引起止回阀选用者的高度注意。
止回阀只供防止各类管路或设备上流体介质逆流的单向启闭阀。
力士乐单向阀SL30PA2-42
博世力士乐叠加式节流阀 两路节流单向阀
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