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較早公告: 在現(xiàn)代工業(yè)中,Kracht齒輪泵以其高效、穩(wěn)定和可靠的性能,成為流體傳輸領(lǐng)域的重要設(shè)備。本文將詳細(xì)介紹Kracht齒輪泵的工作原理、技術(shù)特點(diǎn)、應(yīng)用領(lǐng)域以及選型依據(jù)。一、工作原理:1.吸入過(guò)程:當(dāng)主動(dòng)齒輪在電機(jī)的驅(qū)動(dòng)下旋轉(zhuǎn)時(shí),帶動(dòng)從動(dòng)齒輪一起轉(zhuǎn)動(dòng)。齒輪的齒槽在泵體內(nèi)形成一定的空間,隨著齒輪的轉(zhuǎn)動(dòng),這些空間逐漸增大,形成局部負(fù)壓,將流體吸入泵體。2.排出過(guò)程:隨著齒輪的繼續(xù)轉(zhuǎn)動(dòng),齒槽內(nèi)的空間逐漸減小,流體受到擠壓,壓力升高。當(dāng)齒槽與泵體的出口相連通時(shí),高壓流體被排出泵體。二、技術(shù)特點(diǎn):1.高效節(jié)能:
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HYDAC傳感裝置壓力傳感器電子壓力開(kāi)關(guān)EDS410

點(diǎn)擊次數(shù):1229 發(fā)布時(shí)間:2018/1/12
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Electronic pressure switches offer a multitude of advantages in comparison with mechanical pressure switches and contact manometers. They convince though greater accuracy, freedom from wear, long-term stability, simpler operation and the high number of switching cycles, among other things.

Type series

without measurement value display  

  • EDS 4000, for and stationary hydraulics, set ex-works or programmable, 
    depending on the version for explosion-hazard environments with ATEX, CSA, IECEx approval
  • EDS 810 for OEM applications in the the industrial and sectors, factory preset, 
    with ECE type approval for public road traffic, optionally with IO-Link interface
  • EDS 710, for series applications in industrial and sector where the dimensions of the cavity are tight, extremely small, compact design, set ex-works
  • EDS 410, for OEM applications, factory preset or programmable

       

with measurement value display

  • EDS 8000, menu navigation in accordance with VDMA, 1 or 2 PNP transistor switching outputs, 
    4-character digital display, multi-colour switching display, IP-rating 67
  • EDS 3000, rotatable in longitudinal axis and display, 4-char. LED display, display in bar, psi
    or MPa, adjustable per button, depending on the version 
    - Desina conformance
    - with front-flush diaphragm
  • EDS 300, 3-character LED display, adjustable via foil keyboard
  • EDS 300, for shipbuilding and offshore, with approval from 
    - American Bureau of Shipping 
    - Lloyds Register of Shipping
    - Det Norske Veritas
    - Germanischer Lloyd
    - Bureau Veritas
  • EDS 601, manometer or front panel installation device, 4-character LED display, 
    2 relay outputs, adjustable via foil keyboard
  • EDS 1700, 4 relay outputs, 4-character LED display, many auxiliary functions, 
    adjustable via foil keyboard

 

Technology

  • Thick-layer DMS on ceramic diaphragm (low-pressure range)
  • Thin film DMS on stainless steel diaphragm (low-pressure and high-pressure ranges)

Standard pressure ranges

  • Between 0 ... 1 and 0 ... 600 / 1000 bar relative pressure, depending on the version
  • Up to 2.5 bar absolute pressure
  • Adjustment also in PSI and MPa
  • Other pressure ranges and special adjustments also upon request

Overview of pressure switches

 

EDS34003300310030080006011700440043004100820810710410
Accuracy (max.)1,01,01,01,01,01,00,51,01,01,01,01,01,01,0
Low pressure range
(up to 40 bar)
 XXXXXX  X X X XX
High pressure range
(from 40 bar)
X  XXXXX   XXXX
Relative pressureXX XXXXX X  XXXX
Absolute pressure   X       X    
Switching outputs22222242 2 2 2212
Analogue outputsXXXX XX       
Digital displayXXXXXXX       
ProgrammableXXXXXXXX X X X   
Pre-set       XXX XXX
DESINA compliantXXX           
VDMA Menu navigationXXX X         
Single pieces available X X X X X X X X X X X   
OEM products        X X X  X X X
Flush
membrane
XX            
IO-Link-Interface X X X        X   
ECE type approval (approved for road vehicles)            X  
For potentially explosive atmospheres       X X X    
Approvals for Shipping   X          
UL
Specification
XXX X      X  

 

Remark: Not all the features can be freely combined with each other, please take the precise information from the corresponding datasheet

 
上海維特銳實(shí)業(yè)發(fā)展有限公司(www.piaoma56.com)主要產(chǎn)品:HYDAC賀德克壓力傳感器,KRACHT流量計(jì),VSE流量計(jì),KRACHT齒輪泵,伍爾特wurth工具
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