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產(chǎn)品展示 > 美國Parker(派克)柱塞泵 > PARKER電磁閥 > PARKER導(dǎo)式比例減壓閥/派克導(dǎo)式比例壓力閥 |
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PARKER導(dǎo)式比例減壓閥/派克導(dǎo)式比例壓力閥
PARKER導(dǎo)式比例減壓閥當(dāng)減壓閥的輸出壓力較高或通徑較大時,用調(diào)壓彈簧直接調(diào)壓,則彈簧剛度必然過大,流量變化時,輸出壓力波動較大,閥的結(jié)構(gòu)尺寸也將增大。為了克服這些缺點,可采用導(dǎo)式減壓閥。導(dǎo)式減壓閥的工作原理與直動式的基本相同。導(dǎo)式減壓閥所用的調(diào)壓氣體,是由小型的直動式減壓閥供給的。若把小型直動式減壓閥裝在閥體內(nèi)部,則稱為內(nèi)部導(dǎo)式減壓閥;若將小型直動式減壓閥裝在主閥體外部,則稱為外部導(dǎo)式減壓閥。 圖14—2所示為內(nèi)部導(dǎo)式減壓閥的結(jié)構(gòu)圖,與直動式減壓閥相比,該閥增加了由噴嘴4、擋板3、固定節(jié)流孔9及氣室B所組成的噴嘴擋板放大環(huán)節(jié)。當(dāng)噴嘴與擋板之間的距離發(fā)生微小變化時,就會使B室中的壓力發(fā)生根明顯的變化,從而引起膜片10有較大的位移,去控制閥芯6的上下移動,使進氣閥口8開大或關(guān)小、提高了對閥芯控制的靈敏度,即提高了穩(wěn)壓精度。200X減壓閥,是種利用介質(zhì)自身能量來調(diào)節(jié)與控制管路壓力的智能型閥門。用于生活給水、消防給水及其他工業(yè)給水系統(tǒng),通過調(diào)節(jié)閥減壓導(dǎo)閥,即可調(diào)節(jié)主閥的出口壓力。出口壓力不因進口壓力、進口流量的變化而變化,安全可靠地將出口壓力維持在設(shè)定植上,并可根據(jù)需要調(diào)節(jié)設(shè)定值達到減壓的目的。該閥減壓,穩(wěn)定、安全可靠、安裝調(diào)節(jié)方便,使用壽命長。減壓閥主要控制主閥的固定出口壓力,主閥出口壓力不因進口壓力變化而改變,并不因主閥出口流量的變化而改變其出口壓力。適用于工業(yè)給水、消防供水及生活用水管網(wǎng)系統(tǒng)。
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轉(zhuǎn)8005或者8002
//
\39529831\39529839\39529839-8007或者8008
/
公司;gl0730.com
;單榮兵/余娟
PARKER導(dǎo)式比例減壓閥/派克導(dǎo)式比例壓力閥
D81VW009C6NKW D81VW009C6NKW91
D91VW009C2NJWT D91VW009C2NJWT91
D91VW005C2NJWT D91VW005C2NJWT91
D41VW006C5NAW D41VW006C5NAW91
D81VW020B2NS5099 D81VW020B2NSW91X5099
D31DW020B4NJW3F D31DW020B4NJW3F91
D31NW030B4NKW D31NW030B4NKW91
D91VW081C5NJW D91VW081C5NJW91
D41VW004C5NJWT D41VW004C5NJWT91
D41VW007K2NJW D41VW007K2NJW91
D81VW004C4NJW4D D81VW004C4NJW4D91
D41VW020B1NJWI5N D41VW020B1NJWI5N91
D41VW002C2NJWTI6N D41VW002C2NJWTI6N91
D41VW020B4NJW3R D41VW020B4NJW3R91
D81VW030B1NY729 D81VW030B1NYW91X729
D49V001C1V D49V001C1V91
D31DW030B2NJW D31DW030B2NJW91
D81VW001C4NJW1T D81VW001C4NJW1T91
D31DW002C1NY729 D31DW002C1NYW91X729
026-66550-P A3D10 35 B07 0306 24C1W01338
D41VW006C1NYW D41VW006C1NYW91
D81VW004K4NJWI4N D81VW004K4NJWI4N91
D81VW002C2NJWI6N3C D81VW002C2NJWI6N3C91
D31DW004C5NUW D31DW004C5NUW91
D31DW006C5NUW D31DW006C5NUW91
D41VW020D2NYW D41VW020D2NYW91
D111VW030B1NT729 D111VW030B1NTW91X729
D89V004C4N3F D89V004C4N3F91
D41VW016C4NJW D41VW016C4NJW91
D41VW004C1NJWI4N D41VW004C1NJWI4N91
D41VW003K2NJWTI4N D41VW003K2NJWTI4N91
D31DW001C4NJWI3N D31DW001C4NJWI3N91
D111VW020B1NTW D111VW020B1NTW91
D41VW020D1NJW3B D41VW020D1NJW3B91
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