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Summary of Contents for Mecon FO N4
- Page 1 FO N4 Orifice flowmeter Operating Instructions © MECON GmbH 04/2013 OI_FO_N4_EN...
- Page 2 All rights reserved. It is prohibited to reproduce this document, or any parts thereof, withoutprior written authorization of MECON Flow Control Systems GmbH. Subject to change without notice. Copyright 2013 by MECON Flow Control Systems GmbH - Röntgenstraße 105 - 50169 Kerpen Page 2 / 20 www.mecon.de Operating Instructions F O N4...
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Page 3: Table Of Contents
7 Measuring ranges for liquids ________________________________________________ 13 8 Measuring ranges for gases _________________________________________________ 14 9 Technical Data ___________________________________________________________ 15 9.1 Dimensions and weights ..................... 16 10 Contacts _______________________________________________________________ 17 Operating Instructions F O N4 www.mecon.de Page 3 / 20 04/2013 OI_FO_N4_EN... -
Page 4: Safety Instructions
1 Safety Instructions 1.1 Intended use The FO N4 orifice flowmeter is used to measure the flow of transparent liquids and gases in closed pipes. The flowmeter is suitable for any mounting location, position and flow direction. The flowmeter can also be used for flow monitoring if equipped with limit contacts. -
Page 5: Safety Instructions For The Operator
Product liability and warranty Mecon GmbH assumes no guarantee for repair work carried out by the customer without prior notification and consulation. Any instruments or parts rejected by a customer must be returned to us, if no other arrangement has been made. -
Page 6: Start-Up
• Install a flow control valve close to the flowmeter (downstream), to prevent oscillations during the measurement. • Adjust the operating pressure exactly to the reference pressure (during calibration) to prevent measurement errors. Page 6 / 20 www.mecon.de Operating Instructions F O N4 04/2013 OI_FO_N4_EN... -
Page 7: Installation
• Loosen the union nut, align the indicating part vertically downwards and then tighten union nut (Fig.4, • In general, an inlet pipe of 10 x D and an outlet section of 5 x D is sufficient. Operating Instructions F O N4 www.mecon.de Page 7 / 20 04/2013 OI_FO_N4_EN... -
Page 8: Service
MECON GmbH to be repaired must be free of toxic and hazardous substances. This also applies to cavities of the devices before returning them to MECON. -
Page 9: Device Description
PVC The FO N4 orifice flowmeter primarly consists of an orifice plate as the sensor and a float as the display element. A differential pressure is produced across the orifice plate which is fitted in the main stream between two flanges in the piping. -
Page 10: Nameplate
Please refer to the device nameplate to ensure that the device is built according to your order. Check particularly for the corect supply voltage Fig. 3 Nameplate of the FO N4 Code number Device specific code number Year / Serial number... -
Page 11: Description Code
120 – 600 200 – 1,000 180 – 900 12" 14" 100 – 500 200 – 1,000 270 – 1,300 16" 140 - 700 240 – 1,200 320 – 1,600 Operating Instructions F O N4 www.mecon.de Page 11 / 20 04/2013 OI_FO_N4_EN... - Page 12 Further designs Measured medium: specify in plein text: medium always required measuring range with dimension, sensity with viscosity with dimension, operating temperature, operating Silicone-free-version Special version in plain text Page 12 / 20 www.mecon.de Operating Instructions F O N4 04/2013 OI_FO_N4_EN...
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Page 13: Measuring Ranges For Liquids
440 … 2202 4,71 270 … 1300 1189 … 5724 2,76 140 … 700 616 … 3082 4,64 320 … 1600 1409 … 7045 2,90 * Pressure drop Operating Instructions F O N4 www.mecon.de Page 13 / 20 04/2013 OI_FO_N4_EN... -
Page 14: Measuring Ranges For Gases
600 … 3,000 2,000 … 10,000 6,000 … 30,000 1,000 … 5,000 2,800 … 14,000 8,000 … 40,000 1,400 … 7,000 3,600 … 18,000 10,000 … 50,000 * Pressure drop Page 14 / 20 www.mecon.de Operating Instructions F O N4 04/2013 OI_FO_N4_EN... -
Page 15: Technical Data
(s.Fig. 4) Stainless steel mat.-No. 1.4571, PVC Limits (s. Fig. 4) Polysulfone Gasket (s.Fig. 4) Perbunan (NBR) Bypass orifice plate (s.Fig. 4) Stainless steel mat.-No. 1.4571 (optional PVC) Operating Instructions F O N4 www.mecon.de Page 15 / 20 04/2013 OI_FO_N4_EN... -
Page 16: Dimensions And Weights
1 Union nut 2 O-Ring 3 Bypass orifice 4 Limit 5 Flow tube 6 Setpoint indicator 7 Float 8 Stopper 9 Orifice plate Fig. 4 FO N4, Dimensions in mm Nominal diameter Ø D Weight [mm] (inch) [mm] (inch) [kg] Inch 1"... -
Page 17: Contacts
A bistable reed contact consists of a spring contact which is covered by a glass tube filled with inert gas. It is operated by a magnetic field. This magnetic field is generated by a permanent magnet inside the float of a MECON flowmeter. There are two versions availabe: Fig. - Page 18 : 0,5 A Warning ! Observe in any case the max. switching capacity and the max. starting current – otherwise a welding effect will damage the contact blades. Page 18 / 20 www.mecon.de Operating Instructions F O N4 04/2013 OI_FO_N4_EN...
- Page 19 Fig. 9 Explosion drawing contact K 18 Commissioning: When commissioning the contact K18 we recommend to ensure the correct position of the bistable contact by moving the float along the K18 in flow direction. Operating Instructions F O N4 www.mecon.de Page 19 / 20 04/2013 OI_FO_N4_EN...
- Page 20 Mecon GmbH Röntgenstraße 105 D 50169 Kerpen Phone: +49 (0)2237 600 06 – 0 Fax.: +49 (0)2237 600 06 – 20 Email: customerservice@mecon.de www.mecon.de OI_FO_N4_EN Subject to change without notice Copyright ...
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