Paddle Bellow Flowswitch DWN

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Paddle Bellow Flowswitch DWN
  • Mã SP: BDCKB-DWN
  • Giá NY: Liên hệ
  • Giá bán: Liên hệ
  • Tình trạng:
  • Khuyến mãi:
  • Lượt xem: 2501
  • switching range: 1-5 L/min ... 900-3600 m³/h water
    Connection: G 3/8...G 2, flange DN 10..DN 50,
    weld-on flange up to NW 500
    Material: brass, st. st., PVC
    Max. PN 10
    Max. temperature: 100 °C
    Accuracy: ± 3..±5 % FS
    Micro switch
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switching range: 1-5 L/min ... 900-3600 m³/h water

Connection: G 3/8...G 2, flange DN 10..DN 50,

weld-on flange up to NW 500

Material: brass, st. st., PVC

Max. PN 10

Max. temperature: 100 °C

Accuracy: ± 3..±5 % FS

Micro switch

The new KOBOLD flow monitor DWN works according to the diaphragm plate principle. Baffle/paddle (1) is deflected in the flow direction against the force of the spring (2) by the flowing medium.

A stainless steel bellows (3) seals off the system hermetically between medium and measuring unit/indicator.

The motion is transferred positively from the baffle (1) to the measuring section.

In the measuring section a microswitch (6) and a pilot lamp (7) are operated as soon as the set switching point is exceeded or undershot. Thus the change in flow is clearly signalled locally by  the  switching point  pilot  lamp  (illuminates for undershooting). At the same time switching operations are triggered by the microswitch, designed as a 3-pole changeover contact.

The displacement-deflection technique is one of the most secure systems available as motion is transferred positively from the baffle plate to the measuring section. With these flow monitors if the T piece becomes clogged up with lime, foreign objects or dirt, the system responds with "no flow". It is practically impossible for the system to  hang up in a position that indicates flow when there is in fact no flow.

Recommended inlet and outlet pipe section Upstream of measuring instrument linear flow = 10 x d Downstream of measuring instrument linear flow = 5 x d d = effective pipe cross-section

Areas of Application

● Heavy  goods industry

● Rolling mills and mill trains

● Chemicals  and pharmaceuticals industries

● Drinks  and semi-luxury food industry

● General mechanical  engineering  and capital equipment

● Measurement  and monitoring of product, cooling and lubricant circuits