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聯(lián)系人：張惠淑
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力士樂比例閥主要用在水泵出口，起著防止介質(zhì)倒流的作用。主要應(yīng)用在高層建筑給排水、消防、空調(diào)泵房系統(tǒng)。止回閥成為消聲止回閥，是因為止回閥具有消除噪聲的特大優(yōu)點。這取決于它結(jié)構(gòu)長度短、重量輕、密封性能好的特點。泵前消聲止回閥鐵殼銅芯適用于給、排水管道，止回閥閥瓣采用進出口兩端中心軸導(dǎo)向，啟閉靈活，可水平定裝或垂直安裝。閥瓣采用彈簧加載，其快速關(guān)閉能有效地減小水錘壓力，密封性能好，關(guān)閉無噪聲。止回閥具有體積小、重量輕、流體阻力小、耐疲勞、壽命長等優(yōu)點，產(chǎn)生的的作用是只允許介質(zhì)向一個方向流動，而且阻止方向流動。通常止回閥是自動工作的，在一個方向流動的流體壓力作用下，閥瓣打開；流體反方向流動時，由流體壓力和閥瓣的自重合閥瓣作用于閥座，從而切斷流動。不宜用于含有固體顆粒和粘度較大的介質(zhì)。
BOSCH-Rexroth比例伺服閥是采用控制閥體內(nèi)的啟閉件的開度來調(diào)節(jié)介質(zhì)的流量,減壓閥將介質(zhì)的壓力降低,減壓閥同時借助閥后壓力的作用調(diào)節(jié)啟閉件的開度,減壓閥使閥后壓力保持在一定范圍內(nèi),減壓閥并在閥體內(nèi)或閥后噴入冷卻水,減壓閥將介質(zhì)的溫度降低,減壓閥這種閥門稱為減壓減溫閥。減壓閥該閥的特點是在進口壓力不斷變化的情況下,減壓閥保持出口聽壓力和溫度值在一定的范圍內(nèi)。 減壓閥是一種利用介質(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。該閥減壓精確，性能穩(wěn)定、安全可靠、安裝調(diào)節(jié)方便，使用壽命長。
力士樂比例伺服閥是一個倒吊桶為液位敏感件，吊桶開口向下，倒吊桶連接杠桿帶動閥心開閉閥門。倒吊桶式疏水閥能排空氣，不怕水擊，抗污性能好。過冷度小，漏汽率小于3%，zui大背壓率為75%，連接件比較多，靈敏度不如自由浮球式疏水閥。因倒吊桶式疏水閥是靠蒸汽向上浮力關(guān)閉閥門，工作壓差小于0.1MPA時，不適合選用。當(dāng)裝置剛啟動時，管道內(nèi)的空氣和低溫凝結(jié)水進入疏水閥內(nèi)，倒吊桶靠自身重量下墜，倒吊桶連接杠桿帶動閥心開啟閥門，空氣和低溫凝結(jié)水迅速排出。當(dāng)蒸汽進入倒吊桶內(nèi)，倒吊桶的蒸汽產(chǎn)生向上浮力，倒吊桶上升連接杠桿帶動閥心關(guān)閉閥門。倒吊桶上開有一小孔，當(dāng)一部份蒸汽從小孔排出，另一部份蒸汽產(chǎn)生凝結(jié)水，倒吊桶失去浮力，倒吊桶連接杠桿帶動閥心開啟閥門，循環(huán)工作，間斷排水。
上海維特銳現(xiàn)貨表:
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A10VS071DRS 32R-VPB22U99 電磁閥
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Z2S2215X R90043815 電磁閥
A4VS0125DR/30R-FPB13N00 R902438020 柱塞泵
0510625013 AZPF1X/019RCB20MB 齒輪泵
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4WE10Q3X/CG24N9K4 電磁閥
DBDS6K1X/25 液壓閥
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0510425009AZPF-1X-008RCB20MB 齒輪泵
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DR10DP24X/150YM 電磁閥
DR6DP25X/75YM 電磁閥
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4WE10E3X/CW230N9K4/V 電磁閥
SL10PA14X/V 電磁閥
ZDR10DP25X/150YM 壓力閥
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R900021267(Z31) 七芯插頭
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0510525009 AZPF-1X/011RCB20MB 齒輪泵
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0510112014 柱塞泵
4WREE6E162X/G24K31/A1V R900920567 比例閥
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4WEH16E7X/6EG24N9ETK4 電磁閥
R901000846 DBET6X/200G24K4V 比例溢流閥
MSR20KE051X 單向閥
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LFA32GWA-7X R900912708 插裝電磁閥
R901086060 Z1S6T50-4X/V 電磁閥
0811404643 4WRPEH6C3B25P-2X/G24K0/A1M 比例閥
4WE6J6X/EW230N9K4 （R900908589） 電磁閥
R900410808 ZDR6DA2-4X/25Y 電磁閥
M3SEW6U3X/420MG24N9K4 R900566283 電磁閥
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DBDS6P1X/315 溢流閥
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R900421222 SCA16CZ2X/M 壓力補償器
DBEM107X/100YG24K4M R901335402 比例閥
ZDB10VB1-4X/50V R900967522 溢流閥
ZDB10VB1-4X/200V R900595254 溢流閥
上海維特銳丁劍宇歡迎您的詢價！
ZDB10VA2-4X-100V R900424537 溢流閥
Z2DB10VD2-4X/200V R900411358 液壓閥
Z2DB6VD2-4X/200V R900411314 液壓閥
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R900467370 電磁閥
P901029967 DBETE-6X/100G24K31A1V 液壓閥
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ZDB10VA2-4X/315V R900409955 溢流閥
4WE10D5X/EG24N9K4/M R901278760 換向閥
R900954106 4WRE10W50-2X/G24K4/V 電磁閥
R900954107 4WRE10W75-2X/G24K4/V 比例方向閥
R900082899 插頭
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4WREE6V32-2X/G24K31/F1V R900926747 比例閥
M-SR25KE05-1X 電磁閥
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1827414900 電磁閥
5811290650 氣動電磁閥
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1829207040 氣動元件
HE0524806 液壓元件
DGMC3ATGWB41 電磁閥
DGMFN7YA2HB2H20 液壓閥
REXROTH比例閥R900310995
換向閥：
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電磁溢流閥：
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電液換向閥：
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