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WIKA 702.02.100 差壓表 帶集成工作壓力表和微型開關(guān)
WIKA 702.02.100 差壓表 帶集成工作壓力表和微型開關(guān)
產(chǎn)品價(jià)格:¥1000
上架日期:2013-09-13 15:00:38
產(chǎn)地:德國(guó)
發(fā)貨地:北京
供應(yīng)數(shù)量:不限
最少起訂:1件
瀏覽量:201
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    WIKA 702.02.100 DELTA-comb

     差壓表 帶集成工作壓力表和微型開關(guān)
    Differential pressure gauge with switch contacts
    Integrated working pressure indication and micro switch Model 702.02.100

     



       Applications
         For gaseous and liquid media that are not highly viscous or crystallising
         Heating, ventilation, air-conditioning, dust removing technology
         Technical building equipment, filter systems, drinking and service water treatment
         Monitoring and control of pumps in pressure boosting and fire-extinguishing systems


       Special features
         Differential pressure measuring ranges from 0 … 250 mbar to 0 ... 25 bar
         High working pressure (static pressure) up to 25 bar
         One or two adjustable micro switches
         High repeatability of the switch points

     

        Debion
        These differential pressure gauges are particularly used for the monitoring and control of differential pressures in filter systems, pumps and pipeline systems in the heating, ventilation and air-conditioning sector, technical building equipment and in the water management industry.
        Apart from the display of the differential pressure, these applications also require, as a rule, the display of the current working pressure. For this reason, a working pressure indication is integrated in the DELTA-comb differential pressure gauge as a standard.
        An additional measuring point for the working pressure indication, involving additional expenses for piping and mounting, is thus no longer required. The white dial of the
    working pressure indication distinctly stands out against the blue background of the display of the differential pressure indication, thus enabling a quick and reliable reading of both measurement beters.
        The scale ranges of 0 ... 250 mbar to 0 ... 25 bar are available to meet the requirements of a wide variety of applications.
        With its robust and compact design the differential pressure gauge can even be used under tough industrial ambient conditions.

     

       Design and operating principle
        Pressures p1 and p2 act on the media chambers j and i, which are separated by an elastic diaphragm (1).
        The differential pressure (Δp = p1 - p2) leads to an axial deflection (measuring travel) of the diaphragm against the measuring range spring (2).
        The deflection, which is proportional to the differential pressure, is transmitted to the movement (4) in the indicating case and to the plungers of the micro switches (5) via a pressure-tight and low friction connecting rod (3).
        Overpressure safety is provided by bl bolsters (6) resting against the elastic diaphragm.
        The adjustment of the switch point is made by the adjustment screws accessible from the front (7). The assistant scales (8) enable a relatively accurate adjustment of the switch points over 270 p ° and indicate the set point that is currently
    adjusted.

     

       Illustration of the principle

       

        Mounting according to affixed symbols j and i,j high pressure, i low pressure


       Mounting by means of:
         rigid tailpipe  or wall mounting with available mounting bs

     

       

       Options
         Media chamber GD-AlSi 12 (Cu) HART-COAT-surface protection
         Media chamber of stainless steel (without working pressure indication)
         Accuracy class 1.6 for differential pressure indication with factory-set switch points for scale ranges from 0 ... 1 bar to 0 ... 25 bar (switching direction to be specified)
         Ingress protection lP 65
         Integrated pressure equalising valve(stainless steel and FPM/FKM)

         4-way valve manifold of Cu-alloy or stainless steel,(1x pressure equalising valve, 2x pressure gauge valve,1x valve for purging and ventilating)
         Other threaded process connections female and male
         Compression fittings with ferrule or clamp ring for pipe diameters 6, 8 and 10 mm
         Panel mounting flange
         Electrical connection via cable terminal box M20 x 1.5 or L-connector

     

       

       Dimensions in mm

       



        Ordering inbation
        Model / Scale range / Process connection / Material of media chamber / Material of separating diaphragm and sealings /Accuracy class for differential pressure indication / Options

     

       

    歡迎致電咨詢訂購(gòu)WIKA 702.02.100 DELTA-comb 差壓表 帶集成工作壓力表和微型開關(guān)

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