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产品展示 > 美国Parker(派克)柱塞泵 > PARKER电磁阀 > PARKER导式比例减压阀/派克导式比例压力阀 |
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PARKER导式比例减压阀/派克导式比例压力阀
PARKER导式比例减压阀当减压阀的输出压力较高或通径较大时,用调压弹簧直接调压,则弹簧刚度必然过大,流量变化时,输出压力波动较大,阀的结构尺寸也将增大。为了克服这些缺点,可采用导式减压阀。导式减压阀的工作原理与直动式的基本相同。导式减压阀所用的调压气体,是由小型的直动式减压阀供给的。若把小型直动式减压阀装在阀体内部,则称为内部导式减压阀;若将小型直动式减压阀装在主阀体外部,则称为外部导式减压阀。 图14—2所示为内部导式减压阀的结构图,与直动式减压阀相比,该阀增加了由喷嘴4、挡板3、固定节流孔9及气室B所组成的喷嘴挡板放大环节。当喷嘴与挡板之间的距离发生微小变化时,就会使B室中的压力发生根明显的变化,从而引起膜片10有较大的位移,去控制阀芯6的上下移动,使进气阀口8开大或关小、提高了对阀芯控制的灵敏度,即提高了稳压精度。200X减压阀,是种利用介质自身能量来调节与控制管路压力的智能型阀门。用于生活给水、消防给水及其他工业给水系统,通过调节阀减压导阀,即可调节主阀的出口压力。出口压力不因进口压力、进口流量的变化而变化,安全可靠地将出口压力维持在设定植上,并可根据需要调节设定值达到减压的目的。该阀减压,稳定、安全可靠、安装调节方便,使用寿命长。减压阀主要控制主阀的固定出口压力,主阀出口压力不因进口压力变化而改变,并不因主阀出口流量的变化而改变其出口压力。适用于工业给水、消防供水及生活用水管网系统。
D91VW020D4NJW D91VW020D4NJW91
P26-67342-B 4D06 3B09 0303 10C1W30
D31DW006C4NJW D31DW006C4NJW91
D81VW020B1NJEE D81VW020B1NJEE91
D81VW026B5NJW D81VW026B5NJW91
P26-65429-S 4D06 3B08 0303 20C1W31 15
D81VW002C2NJW D81VW002C2NJW91
D41VW043E5NJWI5N D41VW043E5NJWI5N91
D4L1F5N D4L1F5N60
D31DW081K2NJW3A D31DW081K2NJW3A91
D4P11F2N D4P11F2N60
D31DW001C4NJWTI4N D31DW001C4NJWTI4N91
D81VW001C4NJWTI4N D81VW001C4NJWTI4N91
D41VW001C4NJWTI4N D41VW001C4NJWTI4N91
:\39526590\39529839/39529830转8005或者8002
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\39529831\39529839\39529839-8007或者8008
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公司;m.ch115.com
;单荣兵/余娟
PARKER导式比例减压阀/派克导式比例压力阀
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D41VW006C5NAW D41VW006C5NAW91
D81VW020B2NS5099 D81VW020B2NSW91X5099
D31DW020B4NJW3F D31DW020B4NJW3F91
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D91VW081C5NJW D91VW081C5NJW91
D41VW004C5NJWT D41VW004C5NJWT91
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D81VW004C4NJW4D D81VW004C4NJW4D91
D41VW020B1NJWI5N D41VW020B1NJWI5N91
D41VW002C2NJWTI6N D41VW002C2NJWTI6N91
D41VW020B4NJW3R D41VW020B4NJW3R91
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D81VW001C4NJW1T D81VW001C4NJW1T91
D31DW002C1NY729 D31DW002C1NYW91X729
026-66550-P A3D10 35 B07 0306 24C1W01338
D41VW006C1NYW D41VW006C1NYW91
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D81VW002C2NJWI6N3C D81VW002C2NJWI6N3C91
D31DW004C5NUW D31DW004C5NUW91
D31DW006C5NUW D31DW006C5NUW91
D41VW020D2NYW D41VW020D2NYW91
D111VW030B1NT729 D111VW030B1NTW91X729
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D41VW004C1NJWI4N D41VW004C1NJWI4N91
D41VW003K2NJWTI4N D41VW003K2NJWTI4N91
D31DW001C4NJWI3N D31DW001C4NJWI3N91
D111VW020B1NTW D111VW020B1NTW91
D41VW020D1NJW3B D41VW020D1NJW3B91
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