Tecfluid COVOL Series User Manual

Oscillating piston flowmeter series COVOL Instructions manual R-MI-COVOL Rev.: 4 English version

10 Mount the inlet chamber (7) together with the metering chamber (4) by tightening the screws (13) and washers until a rigid assembly is obtained (t

11 5 PART LIST Nº Description Materials AISI 316L PTFE / PVC / PP 1 Inlet / outlet chamber + connection EN 1.4404 (AISI 316L) PTFE / PVC / PP 2

12 6 TECHNICAL DATA Accuracy ± 0.8% measured value Repeatability ± 0.3% measured value Measuring range: 30:1. Installation: Horizontal or vertic

13 PVC, PTFE, PP INOX 7 DIMENSIONS DN PN (flanges) D K g l x nº L b 10 16 90 60 40 14 x 4 180 14 15 16 95 65 45 14 x 4 180 14 25 1

14 DN D g K (l x nº) x b L A H 10 77 40 60 (M12 x 4) x 15 90 100 110 15 84 45 65 (M12 x 4) x 15 110 110 115 25 107 68 85 (M12

15 DN HC * HC ** 10 (H) 130 130 10 135 145 15 140 155 25 160 165 40 180 180 50 190 190 80 215 215 COVOL-H DN10 / ¼” low flow, horizontal CO

16 9 ADDITIONAL INSTRUCTIONS FOR THE ATEX VERSION This chapter only applies to equipment intended for use in explosive atmospheres. 9.1 Intrinsic s

17 9.2.1 Earth connection When the instrument is not grounded securely through the connection process, it should be grounded through the housing scre

18 9.2.4 Marking The marking of the equipment shows the following characteristics: - Manufacturer - Model - Serial number (year of construction and

19 9.2.5 Dimensions PVC, PTFE, PP INOX DN PN (flanges) D K g l x nº L b 15 16 95 65 45 14 x 4 180 14 25 16 115 85 68 14 x 4 200 16 4

2 Thank you for choosing the oscillating piston flowmeter series COVOL from Tecfluid S.A. This instruction manual allows the installation and operat

20 PVC, PTFE, PP INOX DN PN (flanges) D K g l x nº L b 15 16 95 65 45 14 x 4 180 14 25 16 115 85 68 14 x 4 200 16 40 16 150 110 8

21 DN HA1 AISI 316L HA1 PP/PVC/PTFE 15 205 220 25 225 230 40 245 245 50 255 255 80 280 280 Model Exd ADF30 Exd models

22 Exd housing model ADF60V DN HA2 AISI 316L HA2 PP/PVC/PTFE 15 250 265 25 270 275 40 290 290 50 300 300 80 325 325 Ex

23 10 TROUBLESHOOTING Problem Possible cause Solution The associated electronics does not totalize Blockage or friction of the piston by particle

24 WARRANTY Tecfluid S.A. guarantees all the products for a period of 24 months from their sale, against all faulty materials, manufacturing or perfo

3 TABLE OF CONTENTS 1 WORKING PRINCIPLE ... 4 2 RECEPTION ...

4 1 WORKING PRINCIPLE By means of oscillating piston and an annular measuring chamber. 1– The first figure shows the COVOL flowmeter at the beginn

5 2 RECEPTION COVOL oscillating piston flowmeters are supplied individually packaged for protection during transport and storage, including their cor

6 3.2 Open discharge When the flow measurement is to be made before an open discharge, it is necessary to install the flowmeter in a section of pipe

7 Loosening the larger nut in the middle of the connector allows us to withdraw the half where the cable will be later soldered. The other half of th

8 Before starting the installation, check that the cable gland is the right size for the cable to be used. This will guarantee the instrument will st

9 4.1 Disassembly The list of the different elements is shown in the chart and figure in “Part List” on page 11. The device consists of the followi