經(jīng)營產(chǎn)品:
閥類:電磁閥、換向閥、單向閥、溢流閥、減壓閥、平衡
閥、插裝閥、比例閥等
泵類:齒輪泵、柱塞泵、葉片泵等
承諾:保證原裝正品,假一賠十 量大價(jià)格好商量?。?/span>
武穴黎翔機(jī)電設(shè)備有限公司PARKER派克銷售部
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溢流閥RDM2PT35SVG15是一種液壓壓力控制閥,在液壓設(shè)備中主要起定壓溢流作用,穩(wěn)壓,系統(tǒng)卸荷和安全保護(hù)作用。
定壓溢流作用:在定量泵節(jié)流調(diào)節(jié)系統(tǒng)中,定量泵提供的是恒定流量。當(dāng)系統(tǒng)壓力增大時(shí),會(huì)使流量需求減小。此時(shí)溢流閥開啟,使多余流量溢回油箱,保證溢流閥進(jìn)口壓力,即泵出口壓力恒定(閥口常隨壓力波動(dòng)開啟)。
穩(wěn)壓作用:溢流閥串聯(lián)在回油路上,溢流閥產(chǎn)生背壓,運(yùn)動(dòng)部件平穩(wěn)性增加。
系統(tǒng)卸荷作用:在溢流閥的遙控口串接溢小流量的電磁閥,當(dāng)電磁鐵通電時(shí),溢流閥的遙控口通油箱,此時(shí)液壓泵卸荷。溢流閥此時(shí)作為卸荷閥使用。
安全保護(hù)作用:系統(tǒng)正常工作時(shí),閥門關(guān)閉。只有負(fù)載超過規(guī)定的極限(系統(tǒng)壓力超過調(diào)定壓力)時(shí)開啟溢流,進(jìn)行過載保護(hù),使系統(tǒng)壓力不再增加(通常使溢流閥的調(diào)定壓力比系統(tǒng)最高工作壓力高10%~20%)。
實(shí)際應(yīng)用中一般有:作卸荷閥用,作遠(yuǎn)程調(diào)壓閥,作高低壓多級(jí)控制閥,作順序閥,用于產(chǎn)生背壓(串在回油路上)。
溢流閥一般有兩種結(jié)構(gòu):1、直動(dòng)型溢流閥 。2、先導(dǎo)式溢流閥。
對(duì)溢流閥的主要要求:調(diào)壓范圍大,調(diào)壓偏差小,壓力振擺小,動(dòng)作靈敏,過載能力大,噪聲小。
特征
·直動(dòng)式溢流閥
·帶內(nèi)置電控裝置
·具有斜坡調(diào)節(jié)功能
·參數(shù)線性化
·最低調(diào)整壓力min極低
·安裝界面符合ISO 6264
.4個(gè)壓力級(jí)
·2個(gè)壓力進(jìn)口:A和P
使用范圍:
1. 起重機(jī)械和升降機(jī)械
2. 路面車輛制造
3. 傳動(dòng)技術(shù)(地面輸送車輛等)
4. 手動(dòng)操縱和裝配技術(shù)(工業(yè)機(jī)器人等)
R4R06-593-31-P2-G0R-B1
R16-20603-0 R4R1053331P1G0QB1257
S16-08151-0 R4V**00110A1
S16-08151-5 R4V**00110A5
S16-08152-0 R4V**00310A1
S16-08152-5 R4V**00310A5
S16-08153-0 R4V**00510A1
S16-08158-0 R4S**00312A1
S16-08159-0 R4S**00512A1
S16-08162-0 R4U**00510A1
S16-84614-0 R4V0300511A1
S16-84615-0 R4V0600511A1
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026-20939-0 R4V0656930A1001
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026-22609-0 R1E022312A1
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026-22679-0 R5P085A335A1219
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R5V104111209W30A1
R4V030033009W30A1
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R5V1049332A5166P21
R4V030G512A1
R4V065D11009W31A4
R5V10C7136A1
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R4V065A510A5
R4U065333010G0QA1
R5V1041116A1
R5P0859132A1
R5V066953209G0QA1008
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R5V1049316A1
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R4V06 535 30 09W01 A1
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R4V06 0G5 42 11G0Q A1
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R4V06 593 12 09W06 A1
R4V06 531 10 09G0Q A1 031
R4V06 533 12 09W01 A5
R4R10 5D3 22 B1
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R4V06 565 32 09G0Q A1
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R4V10 535 10 11G0M A1
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R4U10 531 10 11G0Q A1
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R4U10 535 30 11W01 A1
R4V03 533 10 11G0Q A5
R4U06 533 11 12W06 A5
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R4V03 535 30 11G0Q A1
R4V10 535 10 11W01 A1
R4V10 535 30 09W01A1
R4V03 565 10 A5
R4V03 561 12 09W06 A1
R4V06 561 30 09W07 A1
R5U12 313 15 09G0Q A1
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R4V03 561 30 A1 040
R4S03 563 32 A1
R4V03 535 10 11W06 A1
R6V06 595 10 09G0Q B1
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R4U03 533 11 A4
R4U03 561 10 A1
R4V03 563 30 09G0R A1 040
R4V03 591 12 09G0Q A5
R6V06 595 10 09GAR B1
R5V12 391 12 09G0Q A1 045
R5V06 515 32 09G0Q A1
R5U08 593 35 09W07 A1
R6V06 595 32 11G0Q B1
R6V06 595 32 B1
R4R105D112B4
R6V10 595 P2 PN10V B1
R4V10 531 10 P200R A1 169
R4V03 535 11 A5
R4V06 531 10 P2G0R A1 169
R5P06 535 12 A1
R5V06 595 3209 W07 A1
R5V06 593 12 09W57 A1
SPC0301P05CB1
R1E02 0502 A1
C5P06 5834 A1
丹尼遜先導(dǎo)壓力閥
R1E02-3323-A1
R1E02-3521-A1
R1E02-3523-A1
R4R03-531-31-B1
R4R03-561-12-B1
R4R03-563-12-B1
R4R03-563-12-P1-G0R-B1
R4R03-565-12-B1
R4R03-591-11-09-W54-B1
R4R03-591-11-B1
R4R03-591-11-B5
R4R03-591-12-B1
R4R03-591-31-B1
R4R03-593-11-B1
R4R03-593-11-P2-G0Q-B1
R4R03-593-12-B1
R4R03-595-11-09-W58-B1
R4R03-595-11-B1-135
R4R03-595-12-B1
R4R03-595-32-B5
R4R06-001-12-B1 CARTRIDGE
R4R06-003-31-B1
R4R06-005-12-B1
R4R06-0G1-11-B1 BSP CARTRIDGE
R4R06-0G1-12-B1 BSP CARTRIDGE
R4R06-0G3-11-B1 BSP CARTRIDGE
R4R06-0G5-11-B1 BSP CARTRIDGE
R4R06-0G5-11-B5 BSP CARTRIDGE
R4R06-0G5-12-09-G0Q-B1
R4R06-0G5-12-B1 BSP CARTRIDGE
R4R06-533-11-B1
R4R06-535-11-A1
R4R06-535-32-B1
R4R06-591-11-B1
R4R06-591-11-B1-045
R4R06-591-11-P2-GOR-B1
R4R06-591-12-B1
R4R06-593-11-B1
R4R06-593-11-P2-GOQ-B1
R4R06-593-11-P2-GOR-B1
R4R06-593-12-B1
R4R06-595-11-09-G0Q-B1
R4R06-595-11-09-W07-B1
R4R06-595-11-B1
R4R06-595-11-B5
R4R06-595-12-B1
R4R06-59X-11-B1 25BAR ASV
R4R06-5A3-12-B1
R4R06-5A3-32-B1
R4R06-5D1-12-B1
R4R06-5D3-12-B1
R4R06-5D3-12-B4
R4R06-5D3-12-P2-G0R-B1
R4R06-5D5-12-B1
R4R06-5D5-22-B1
R4R06-5D5-22-B4
R4R10-591-11-B1
R4R10-591-11-B1-045
R4R10-591-12-B1
R4R10-591-12-B5
R4R10-593-11-B1
R4R10-593-11-P2-G0Q-B1
R4R10-593-11-P2-G0R-B1
R4R10-593-12-B1
R4R10-593-21-B5 主要分類1、電磁閥從原理上分為三大類:
直動(dòng)式電磁閥
原理:通電時(shí),電磁線圈產(chǎn)生電磁力把關(guān)閉件從閥座上提起,閥門打開;斷電時(shí),電磁力消失,彈簧把關(guān)閉件壓在閥座上,閥門關(guān)閉。
特點(diǎn):在真空、負(fù)壓、零壓時(shí)能正常工作,但通徑一般不超過25mm。
分步直動(dòng)式電磁閥
原理:它是一種直動(dòng)和先導(dǎo)式相結(jié)合的原理,當(dāng)入口與出口沒有壓差時(shí),通電后,電磁力直接把先導(dǎo)小閥和主閥關(guān)閉件依次向上提起,閥門打開。當(dāng)入口與出口達(dá)到啟動(dòng)壓差時(shí),通電后,電磁力先導(dǎo)小閥,主閥下腔壓力上升,上腔壓力下降,從而利用壓差把主閥向上推開;斷電時(shí),先導(dǎo)閥利用彈簧力或介質(zhì)壓力推動(dòng)關(guān)閉件,向下移動(dòng),使閥門關(guān)閉。
特點(diǎn):在零壓差或真空、高壓時(shí)亦能可*動(dòng)作,但功率較大,要求必須水平安裝。
先導(dǎo)式電磁閥
原理:通電時(shí),電磁力把先導(dǎo)孔打開,上腔室壓力迅速下降,在關(guān) 閉件周圍形成上低下高的壓差,流體壓力推動(dòng)關(guān)閉件向上移動(dòng),閥門打開;斷電時(shí),彈簧力把先導(dǎo)孔關(guān)閉,入口壓力通過旁通孔迅速腔室在關(guān)閥件周圍形成下低上高的壓差,流體壓力推動(dòng)關(guān)閉件向下移動(dòng),關(guān)閉閥門。
特點(diǎn):流體壓力范圍上限較高,可任意安裝(需定制)但必須滿足流體壓差條件。
2、電磁閥從閥結(jié)構(gòu)和材料上的不同與原理上的區(qū)別,分為六個(gè)分支小類:直動(dòng)膜片結(jié)構(gòu)、分步直動(dòng)膜片結(jié)構(gòu)、先導(dǎo)膜片結(jié)構(gòu)、直動(dòng)活塞結(jié)構(gòu)、分步直動(dòng)活塞結(jié)構(gòu)、先導(dǎo)活塞結(jié)構(gòu)。
3、電磁閥按照功能分類:水用電磁閥、蒸汽電磁閥、制冷電磁閥、低溫電磁閥、燃?xì)怆姶砰y、消防電磁閥、氨用電磁閥、氣體電磁閥、液體電磁閥、微型電磁閥、脈沖電磁閥、液壓電磁閥 常開電磁閥、油用電磁閥、直流電磁閥、高壓電磁閥、防爆電磁閥等。