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?S15A1.0/R900420537湖北單向閥經營產品：

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

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武穴黎翔機電設備有限公司REXROTH力士樂銷售部

詢價聯系人：陳工

詢價熱線：????0713-8529058，18995766168 ??????????????????????

詢價QQ:??1477538929， ??2593165857?

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廣泛應用于鋼鐵、冶金、鋁行業、石油化工、航天、船舶制造、煤炭、水泥、電力、汽車、工程機械、食品、藥業、林業、紡織、皮革、造紙等行業領域電液比例閥簡稱比例閥。普通液壓閥只能通過預調的方式對液流的壓力、流量進行定值控制。但是當設備機構在工作過程中要求對液壓系統的壓力、流量參數進行調節或連續控制，例如.要求工作臺在工作進給時按慢、快、慢連續變化的速度實現進給，或按一定精度模擬某個最佳控制曲線實現旅力控制.普通液壓閥則實現不了。這時可以用電液比例閥對液壓系統進行控制。

電液比例閥是一種按輸入的電信號連續地、按比例地控制液壓系統的液流方向、流量和壓力的閥類。它山電-機械比例轉換裝置和液壓控制閥本體兩大部分構成.前者將輸入的電信號連續地按比例地轉換為機械力和位移輸出，后者在接受這種機械力和位移之后、按比例連續地輸出壓力和流量.

電液比例閥的發展主要有兩個途徑一是用比例電磁鐵取代傳統液壓閥的手動調節裝置或取代普通電磁鐵發展起來的;二是由電液伺服閥簡化結構、降低精度發展起來的。下面介紹的比例閥均指前者，它是當今比例閥的主流。與普通液壓閥可以互換。

比例電磁閥的結構如圖5-27所示。比例電磁鐵是直流電磁鐵，但它與普通直流電磁鐵不同。普通直流電磁鐵的銜鐵只有吸合和斷開兩個工作位置，并且在吸合時磁路中幾乎沒有氣隙.而比例電磁鐵要求吸合力或位移與給定電流成比例。并在銜鐵的全部工作行程上，磁路中保持一定的氣隙‘.其結構主要由極靴1、線圈2、殼體5和銜鐵10等組成。線圈2中通電后產生磁場，因隔磁環4的存在。使磁力線主要部分通過銜鐵10、氣隙和極靴1，形成回路口極靴對銜鐵產生吸力門在線圈中電流一定時。吸力的大小因極靴1與銜鐵間的距離不同而變化。但銜鐵在氣隙適中的一段行程中，吸力隨位置的改變發生的變化很小。

設計中就使比例電磁鐵的銜鐵在這段行程中工作。因此。改變線圈中的電流，即可在銜鐵上得到與其成正比的吸力。用比例電磁鐵代替螺旋手柄來調整液壓閥，就能使輸出樂力或流量與輸人電流對應成比例地發生變化。

比例閥用于模擬控制，是介于普通開關控制與伺服控制之間的控制方式，它也特別適合于

設備的革新或改造。使設備自動化控制水平大為提高。其在現代液雌系統中占比例很大口

與普通液壓閥相比.比例閥的優點是:①能簡單地實現遠距離控制:②能連續地、按比例地控制液壓系統的壓力和流量。從而實現對執行機構的位置、速度和力的連續控制，并能防止或減小壓力、速度變換時的沖擊;③油路簡化，元件數量少。

比例閥適用于既要求能連續控制脹力、流量.和方向.而又不需要很I的控制精度的場合。

比例閥也分為壓力閥、流量閥和方向閥幾大類。近來又出現了功能復合化的趨勢。

液壓站又稱液壓泵站，是獨立的液壓裝置。它按主機要求供油，并控制油流的方向、壓力和流量，它適用于主機與液壓裝可分離的各種液壓機械上。用戶購后只要將壓站與主機上的執行機構（油缸或油馬達）用油管相連，液壓機械即可實現各種規定的動作、工作循環。 ? ?液壓站是由泵裝置、集成塊或閥組合、油箱、電氣盒組合而成。各部件功用如下： ? ?泵裝置—上裝有電機和油泵，它是液壓站的動力源，將機械能轉化為液壓油的壓力能。 ? ?集成塊—是由液壓閥及通道體組裝而成。它對液壓油實行方向、壓力、流量調節。 ? ?閥組合—是板式閥裝在立板上，板后管連接，與集成塊功用同。 ? ?油箱—是板焊的半封閉容器，上還裝有濾油網空氣濾清器等，它用來儲油、油的冷卻及過濾。 ? ?電氣盒—分兩種形式。一種設置外接引線的端子板；一種是配置了全套控制電器。 ? ?液壓站的工作原理如下：電機帶動油泵旋轉，泵從油箱中吸油后打油，將機械能轉化為液壓油的壓力能，液壓油通過集成塊（或閥組合）被液壓閥實現了方向、壓力、流量調節后經外接管路傳輸到液壓機械的油缸或油馬達中，從而控制了液動機方向的變換、力量的大小及速度的快慢，推動各種液壓機械做功。

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R900343034 S20A0.0//12

R900241524 S20A1.0//12SO31

R900241056 S20A3.0/B15SO72

R900446369 S20A5.0/

R900420529 S20A3.0/

R900420528 S20A2.0/

R900420525 S20A1.0/

R900420524 S20A0.0/

R900390434 S20A1.0/SO68

R900591952 S25A1.0/J

R900455138 S25A1.0//12

R900451778 S25A5.0/

R901104383 S25A3.0/J/12

R901063902 S25A2.0/J/12

R901046642 S25A3.0/J

R901022362 S25A5.0/J

R900991384 S25A0.0/B08SO72

R900989687 S25A5.0/SO66

R900757887 S25A8.0/

R900431397 S25A1.0/SO68

R900420515 S25A3.0/

R900420514 S25A2.0/

R900420511 S25A1.0/

R900420510 S25A0.0/

R900354272 S25A5.0//12

R900347547 S25A2.0//12

R900344017 S25A0.0//12

R900340147 S25A3.0//12

R900451778 S25A5.0/

R900420514 S25A2.0/

R900420511 S25A1.0/

R900420510 S25A0.0/

R900492887 S30A1.0//12

R900483697 S30A1.0/SO68

R900470823 S30A3.0//12

R900446709 S30A5.0/

R901046637 S30A3.0/J

R900420519 S30A1.0/

R900420517 S30A0.0/

R900420504 S30A3.0/

R900420502 S30A2.0/

R900415457 S30A0.0//12

R900389649 S30A5.0/J

R900347681 S30A5.0//12

R900342882 S30A2.0//12

R900228876 S30A8.0/

R900205778 S30A1.0/SO93

R900069041 S30A2.0/J

R900420519 S30A1.0/

R900420504 S30A3.0/

R900420502 S30A2.0/

博世力士樂REXROTH電磁換向閥，BOSCH REXROTH博世-力士樂在船舶和海洋鉆井平臺的液壓和氣動傳動系統及控制方面具有淵博的經驗，產品應用在鉆井平臺、推進系統、舵機系統、發動機控制系統。力士樂REXROTH氣動備件、力士樂工控備件等產品。

REXROTH力士樂常用應用行業：壓路機、混泥土攪拌車、機床、汽車、紡織工業、輕工業、鋼廠、采礦業、油田、石化、風能、通用自動化、水利工程、海事工程、冶金、塑料機械、通用機械、壓機、鉆孔機、叉車、推土機、起重機、裝載機、混泥土泵、挖掘機、印刷與紙張處理、食品包裝、木工機械、橡膠、電子和半導體

一個完整的液壓系統由五個部分組成，即動力元件、執行元件、控制元件、輔助元件（附件）和液壓油。

控制元件(即各種液壓閥)在液壓系統中控制和調節液體的壓力、流量和方向。根據控制功能的不同，液壓閥可分為壓力控制閥、流量控制閥和方向控制閥。壓力控制閥又分為溢流閥(安全閥)、減壓閥、順序閥、壓力繼電器等；流量控制閥包括節流閥、調整閥、分流集流閥等；方向控制閥包括單向閥、液控單向閥、梭閥、換向閥等。根據控制方式不同，液壓閥可分為開關式控制閥、定值控制閥和比例控制閥。

********************力士樂單向閥特價系列，

Z2SF6-2-4X/2QV，

Z2SF10-5-3X/V，

Z1S6P05-4X/V，

Z2S6-1-6X，

Z2S6A1-6X，

Z2S10-1-3X，

Z2S10A1-1-3X，

Z2S16-1-5X，力士樂單向閥特價系列********************

1、力士樂單向閥閥-NG6

R900347495 ?Z2S6-1-6X/

R900347504 ?Z2S6-1-6X/V

R900347496 ?Z2S6-2-6X/

R900347505 ?Z2S6-2-6X/V

R900347497 ?Z2S6-3-6X/

R900347506 ?Z2S6-3-6X/V

R900347498 ?Z2S6A1-6X/

R900347507 ?Z2S6A1-6X/V

R900347499 ?Z2S6A2-6X/

R900347508 ?Z2S6A2-6X/V

R900347500 ?Z2S6A3-6X/

R900347509 ?Z2S6A3-6X/V

R900347501 ?Z2S6B1-6X/

R900347510 ?Z2S6B1-6X/V

R900347502 ?Z2S6B2-6X/

R900347512 ?Z2S6B3-6X/V

R900347511 ?Z2S6B2-6X/V

R900347503 ?Z2S6B3-6X/

2、力士樂單向閥-ng10

R900407394 ?Z2S10-1-3X/

R900407439 ?Z2S10-1-3X/V

R900421985 ?Z2S10-2-3X/

R900436801 ?Z2S10-2-3X/V

R900431003 ?Z2S10-3-3X/

R900440349 ?Z2S10-3-3X/V

R900420049 ?Z2S10-4-3X/

R900506366 ?Z2S10-4-3X/V

R900407424 ?Z2S10A1-3X/

R900407440 ?Z2S10A1-3X/V

R900434028 ?Z2S10A2-3X/

R900436812 ?Z2S10A2-3X/V

R900437010 ?Z2S10A3-3X/

R900468484 ?Z2S10A3-3X/V

R900516212 ?Z2S10A4-3X/

R900567281 ?Z2S10A4-3X/V

R900407434 ?Z2S10B1-3X/

R900407465 ?Z2S10B1-3X/V

R900435525 ?Z2S10B2-3X/

R900428795 ?Z2S10B2-3X/V

R900436800 ?Z2S10B3-3X/

R900439705 ?Z2S10B3-3X/V

R900440312 ?Z2S10B4-3X/

R900519395 ?Z2S10B4-3X/V

3、力士樂單向閥-NG16

R900328797 ?Z2S16-1-5X/

R900412459 ?Z2S16-1-5X/V

R900401212 ?Z2S16-2-5X/

R900434675 ?Z2S16-2-5X/V

R900412346 ?Z2S16-3-5X/

R900412893 ?Z2S16-3-5X/V

R900442636 ?Z2S16-4-5X/

R900328798 ?Z2S16A1-5X/

R900407720 ?Z2S16A1-5X/V

R900402493 ?Z2S16A2-5X/

R900427329 ?Z2S16A2-5X/V

R900444118 ?Z2S16A3-5X/

R900085134 ?Z2S16A3-5X/V

R900566082 ?Z2S16A4-5X/

R900328799 ?Z2S16B1-5X/

R900446290 ?Z2S16B1-5X/V

R900477274 ?Z2S16B2-5X/

R900500092 ?Z2S16B2-5X/V

R900422295 ?Z2S16B3-5X/

R901168688 ?Z2S16B3-5X/V

R900539653 ?Z2S16B4-5X/

4、力士樂流量閥-NG6

R900481623 ?Z2FS6-2-4X/1QV

R900481624 ?Z2FS6-2-4X/2QV

R900727967 ?Z2FS6-2-4X/2QV/60

R900586224 ?Z2FS6-3-4X/1QV

R900455714 ?Z2FS6-3-4X/2QV

R900582719 ?Z2FS6-5-4X/1QV

R900476838 ?Z2FS6-5-4X/2QV

R900581526 ?Z2FS6A2-4X/1QV

R900439389 ?Z2FS6A2-4X/2QV

R900438760 ?Z2FS6B2-4X/1QV

R900440565 ?Z2FS6B2-4X/2QV

R900584417 ?Z2FS6B3-4X/1QV

R900582339 ?Z2FS6B3-4X/2QV

R900523737 ?Z2FS10-3-3X/V

R900524995 ?Z2FS10A3-3X/SV

R900569858 ?Z2FS10A3-3X/S2V

R900057401 ?Z2FS10B3-3X/SV

R900071261 ?Z2FS10B3-3X/S2V

R901335945 ?Z2FS22-3X/S2V

R900564521 ?Z2FSK6-2-1X/2QV

R900564522 ?Z2FSK 10-2-1X/2QV

德國力士樂產品廣泛應用于全國各地，如：鋼鐵廠、石油廠、化工廠、水泥廠、啤酒廠、冶金廠、造紙廠、電力、水利水電、機械等各種不同的工業部門系統需要。同時承接自動化成套工程，是一家專業性強，代表著高新技術力量的自動化控制設備公司。

ZDR減壓閥

力士樂減壓閥R900323664 ZDR6DP0-4X/40YMVW80

力士樂減壓閥R900400451 ZDR6DA1-4X/75Y/12

力士樂減壓閥R900400663 ZDR6DP2-4X/210YMV

力士樂減壓閥R900401090 ZDR10DP3-5X/210YM

力士樂減壓閥R900401215 ZDR6DP1-4X/25YM/12

力士樂減壓閥R900401216 ZDR6DP2-4X/75YM/12

力士樂減壓閥R900401222 ZDR6DA2-4X/210Y/12

力士樂減壓閥R900401236 ZDR10DP2-5X/210YM/5

力士樂減壓閥R900403675 ZDR10DB1-5X/150YM

力士樂減壓閥R900404346 ZDR6DP2-4X/25YM/12

力士樂減壓閥R900404754 ZDR6DP2-4X/150YM/12

力士樂減壓閥R900404886 ZDR10DP2-5X/75YM/5

力士樂減壓閥R900404887 ZDR10DP2-5X/150YM/5

力士樂減壓閥R900406178 ZDR10DA1-5X/150Y

力士樂減壓閥R900406225 ZDR10DA2-5X/150YM

力士樂減壓閥R900406651 ZDR10DA2-5X/210Y

力士樂減壓閥R900407334 ZDR10DA2-5X/25Y

力士樂減壓閥R900408340 ZDR10DB2-5X/150YM

力士樂減壓閥R900409965 ZDR6DP1-4X/25YM

力士樂減壓閥R900409966 ZDR6DA1-4X/75Y

力士樂減壓閥R900409967 ZDR6DP1-4X/75YM

力士樂減壓閥R900409981 ZDR6DA1-4X/150Y

力士樂減壓閥R900410806 ZDR6DP1-4X/150YM

力士樂減壓閥R900410808 ZDR6DA2-4X/25Y

力士樂減壓閥R900410813 ZDR6DA2-4X/75Y

力士樂減壓閥R900410815 ZDR6DA2-4X/75YM

力士樂減壓閥R900410849 ZDR6DA2-4X/150Y

力士樂減壓閥R900410855 ZDR6DA2-4X/210Y

力士樂減壓閥R900410864 ZDR6DA3-4X/75Y

力士樂減壓閥R900410865 ZDR6DP3-4X/75YM

力士樂減壓閥R900410874 ZDR6DP7-4X/75YM

力士樂減壓閥R900410875 ZDR10DP2-5X/75YM

力士樂減壓閥R900410876 ZDR10DP2-5X/210YM

力士樂減壓閥R900410877 ZDR10DP1-5X/75YM

力士樂減壓閥R900410880 ZDR10DP2-5X/150YM

力士樂減壓閥R900410884 ZDR10DA2-5X/150Y

力士樂減壓閥R900410899 ZDR10DP2-5X/25YM

力士樂減壓閥R900411246 ZDR10DP1-5X/210YM

力士樂減壓閥R900411247 ZDR10DP1-5X/150YM

力士樂減壓閥R900411255 ZDR10DP3-5X/75YM

力士樂減壓閥R900411259 ZDR10DA3-5X/75Y

力士樂減壓閥R900411309 ZDR10VP5-3X/100YM

力士樂減壓閥R900411311 ZDR10VP5-3X/200YM

力士樂減壓閥R900411748 ZDR6DA2-4X/25Y/12

力士樂減壓閥R900415411 ZDR10DA1-5X/75Y

力士樂減壓閥R900422337 ZDR10DA2-5X/25YM

力士樂減壓閥R900423213 ZDR6DA2-4X/210YM

力士樂減壓閥R900424294 ZDR6DA1-4X/150Y/12

力士樂減壓閥R900424336 ZDR6DP1-4X/150YM/12

力士樂減壓閥R900424371 ZDR6DA3-4X/210Y

力士樂減壓閥R900424467 ZDR10DP1-5X/75YM/5

力士樂減壓閥R900425957 ZDR6DB3-4X/25YM

力士樂減壓閥R900426703 ZDR10DA3-5X/75YM

力士樂減壓閥R900427723 ZDR6DA2-4X/150Y/12

力士樂減壓閥R900428322 ZDR6DB3-4X/150YM

力士樂減壓閥R900429511 ZDR10DP2-5X/75YMV

力士樂減壓閥R900430189 ZDR6DP1-4X/75YM/12

力士樂減壓閥R900430191 ZDR6DP1-4X/210YM/12

力士樂減壓閥R900430193 ZDR6DA2-4X/75Y/12

力士樂減壓閥R900430837 ZDR6DA2-4X/150YV

力士樂減壓閥R900430975 ZDR10VP5-3X/50YMV

力士樂減壓閥R900431172 ZDR6DB2-4X/150YM

力士樂減壓閥R900431509 ZDR10DB2-5X/75YM

力士樂減壓閥R900431556 ZDR6DB1-4X/150YM

力士樂減壓閥R900431771 ZDR6DB2-4X/75YM

力士樂減壓閥R900431772 ZDR10DP2-5X/150YMV

力士樂減壓閥R900431999 ZDR10DP7-5X/150YM

力士樂減壓閥R900432119 ZDR6DB3-4X/75YM

力士樂減壓閥R900433058 ZDR10DB1-5X/75YM

力士樂減壓閥R900433263 ZDR10VP4-3X/100YM

力士樂減壓閥R900433350 ZDR6DP2-4X/210YM/12

力士樂減壓閥R900434142 ZDR10VP5-3X/315YMV

力士樂減壓閥R900434143 ZDR10VP5-3X/200YMV

力士樂減壓閥R900434583 ZDR10VA5-3X/50Y

力士樂減壓閥R900434787 ZDR10VP4-3X/100YMV

力士樂減壓閥R900435960 ZDR6DP7-4X/210YM

力士樂減壓閥R900436537 ZDR10VA5-3X/100Y

力士樂減壓閥R900437021 ZDR10VA5-3X/100YV

力士樂減壓閥R900437023 ZDR10VP5-3X/100YMV

力士樂減壓閥R900437310 ZDR6DP1-4X/75YMV/12

力士樂減壓閥R900437645 ZDR10VP6-3X/200YM

力士樂減壓閥R900438008 ZDR10DA2-5X/75Y

力士樂減壓閥R900438181 ZDR10VA5-3X/200YV

力士樂減壓閥R900438756 ZDR10DA2-5X/75Y/5

力士樂減壓閥R900438840 ZDR10VP5-3X/315YM

力士樂減壓閥R900439312 ZDR6DP3-4X/75YMV/12

力士樂減壓閥R900439322 ZDR6DP2-4X/150YMV/12

力士樂減壓閥R900439548 ZDR10DA2-5X/150YV

力士樂減壓閥R900440131 ZDR10VA6-3X/100YV

力士樂減壓閥R900440306 ZDR6DB2-4X/25YM/12

力士樂減壓閥R900440940 ZDR6DP2-4X/25YMV/12

力士樂減壓閥R900441077 ZDR6DA2-4X/25YM/12

力士樂減壓閥R900441081 ZDR6DA2-4X/75YM/12

力士樂減壓閥R900441085 ZDR6DA2-4X/210YM/12

力士樂減壓閥R900441104 ZDR10DB2-5X/75YM/5

力士樂減壓閥R900442094 ZDR10VP4-3X/200YM

力士樂減壓閥R900442756 ZDR10DA1-5X/75YM

力士樂減壓閥R900442768 ZDR10DA1-5X/210Y/5

力士樂減壓閥R900442769 ZDR10DA1-5X/25Y/5

力士樂減壓閥R900442770 ZDR10DA1-5X/75Y/5

力士樂減壓閥R900443484 ZDR10DB2-5X/210YM

力士樂減壓閥R900444003 ZDR10VA5-3X/200Y

力士樂減壓閥R900445288 ZDR6DA2-4X/210YV

力士樂減壓閥R900445343 ZDR6DB1-4X/25YM

力士樂減壓閥R900445958 ZDR6DA2-4X/150YM

力士樂減壓閥R900447403 ZDR6DB2-4X/75YM/12

力士樂減壓閥R900447418 ZDR10DA2-5X/210Y/5

力士樂減壓閥R900448079 ZDR6DA2-4X/25YM

力士樂減壓閥R900448143 ZDR6DP2-4X/25YMV

力士樂減壓閥R900448490 ZDR6DA3-4X/25Y

力士樂減壓閥R900448506 ZDR6DA1-4X/75YM

力士樂減壓閥R900449012 ZDR6DA3-4X/25YV/12

力士樂減壓閥R900449839 ZDR6DB2-4X/25YM

力士樂減壓閥R900450354 ZDR10VP4-3X/315YM

力士樂減壓閥R900452728 ZDR10VP7-3X/200YM

力士樂減壓閥R900452815 ZDR6DP2-4X/75YMV

力士樂減壓閥R900454116 ZDR10DA2-5X/150Y/12

力士樂減壓閥R900455274 ZDR10VA5-3X/50YM

力士樂減壓閥R900456019 ZDR6DP2-4X/75YMV/12

力士樂減壓閥R900457022 ZDR10VB5-3X/100Y

力士樂減壓閥R900457096 ZDR6DP3-4X/75YM/12

力士樂減壓閥R900457313 ZDR6DA1-4X/210Y

力士樂減壓閥R900459126 ZDR6DA2-4X/75YV

力士樂減壓閥R900460490 ZDR10DA1-5X/150YM

力士樂減壓閥R900460553 ZDR6DP3-4X/25YM/12

力士樂減壓閥R900462379 ZDR6DP3-4X/25YMV/12

力士樂減壓閥R900462912 ZDR10VB5-3X/200Y

力士樂減壓閥R900463269 ZDR6DB2-4X/210YM

力士樂減壓閥R900468829 ZDR10VA4-3X/100Y

力士樂減壓閥R900469268 ZDR6DA2-4X/75YMV/12

力士樂減壓閥R900469405 ZDR10VB5-3X/315YMV

力士樂減壓閥R900469589 ZDR6DB1-4X/25YM/12

力士樂減壓閥R900469826 ZDR10VP4-3X/315YMV

力士樂減壓閥R900473199 ZDR6DP3-4X/150YM

力士樂減壓閥R900476274 ZDR6DP3-4X/25YM

力士樂減壓閥R900476331 ZDR6DP2-4X/150YMV

力士樂減壓閥R900476381 ZDR6DP1-4X/210YM

力士樂減壓閥R900477431 ZDR6DA3-4X/150YM

力士樂減壓閥R900478216 ZDR10DA3-5X/75YV

力士樂減壓閥R900481092 ZDR6DA2-4X/25YMV

力士樂減壓閥R900481115 ZDR6DP3-4X/210YM

力士樂減壓閥R900481125 ZDR6DA1-4X/25Y

力士樂減壓閥R900481305 ZDR10DA2-5X/75YV

力士樂減壓閥R900481484 ZDR10VP5-3X/50YM

力士樂減壓閥R900481530 ZDR6DA1-4X/25Y/12

力士樂減壓閥R900481889 ZDR10DP2-5X/25YMV

力士樂減壓閥R900483785 ZDR6DP2-4X/25YM

力士樂減壓閥R900483786 ZDR6DP2-4X/75YM

力士樂減壓閥R900483787 ZDR6DP2-4X/150YM

力士樂減壓閥R900483788 ZDR6DP2-4X/210YM

力士樂減壓閥R900487690 ZDR10DP2-5X/210YMV

力士樂減壓閥R900493965 ZDR10DP3-5X/150YM

力士樂減壓閥R900494714 ZDR10DA2-5X/75YM

力士樂減壓閥R900496836 ZDR6DP3-4X/75YMV

力士樂減壓閥R900500034 ZDR6DA2-4X/210YV/12

力士樂減壓閥R900500035 ZDR6DP2-4X/210YMV/12

力士樂減壓閥R900507733 ZDR10VB5-3X/50YM

力士樂減壓閥R900508053 ZDR10VB5-3X/315Y

力士樂減壓閥R900508341 ZDR10DP1-5X/150YMV

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減壓閥是通過調節，將進口壓力減至某一需要的出口壓力，并依靠介質本身的能量，使出口壓力自動保持穩定的閥門。從流體力學的觀點看，減壓閥是一個局部阻力可以變化的節流元件，即通過改變節流面積，使流速及流體的動能改變，造成不同的壓力損失，從而達到減壓的目的。然后依靠控制與調節系統的調節，使閥后壓力的波動與彈簧力相平衡，使閥后壓力在一定的誤差范圍內保持恒定。基本性能 (1)調壓范圍：它是指減壓閥輸出壓力P2的可調范圍，在此范圍內要求達到規定的精度。調壓范圍主要與調壓彈簧的剛度有關。 (2)壓力特性：它是指流量g為定值時，因輸入壓力波動而引起輸出壓力波動的特性。輸出壓力波動越小，減壓閥的特性越好。輸出壓力必須低于輸入壓力—定值才基本上不隨輸入壓力變化而變化。 (3)流量特性：它是指輸入壓力—定時，輸出壓力隨輸出流量g的變化而變化的持性。當流量g發生變化時，輸出壓力的變化越小越好。一般輸出壓力越低，它隨輸出流量的變化波動就越小。

Z2DB先導式溢流閥

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