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PRECISION METERS

Infinity Evo Class C Woltmann

Industrial Water Meter

The Infinity Evo Class C Woltmann Water Meter complies with all requirements of the Legal Metrology Act (2014), SANS 1529-1: 2019 and the National Regulator for Compulsory Specifications (N.R.C.S.) In addition, the meters comply with Directive 2014/32/EU (MID) (Annex MI-001) and European Standard ISO4064.

Infinity Evo Bulk Meter Class C: 50mm – 100mm Table 16 Infinity Evo IP68 dry dial Class C Woltmann water meter

APPLICATION

  • Accurate measurement of the volume for cold potable water passing through a pipeline.
  • Suitable for metering large consumers.
  • Low rate measurement capability for zone metering and area monitoring and establishing minimum night flows.

FEATURES

  • Performance to SANS 1529 – 1 : 2019 Class C specifications.
  • Directive 2014/32/EU (Annex MI-001) certified.
  • IP68 copper can register with scratch resistant mineral glass lens.
  • Pulse ready as standard.
  • Magnetic reed switch, inductive pulser or radio module options.
  • Performance is not affected by installation conditions.
  • Suitable for both horizontal and vertical installation (UP).
  • Serial number printed on dial face.
  • Registers have magnetic protection to prevent magnetic interference and tampering.
  • Meter body is manufactured from SG cast iron ensuring extra strength and shock resistance.
  • The meter body is epoxy coated both internally and externally.
  • The steel pivot + synthetic sapphire bearings ensure long-term durability and accuracy.
  • The internal mechanism is manufactured from durable, anti-scaling virgin engineering plastics.
  • No upstream and downstream straight pipe requirements. (U0-D0).
  • The nominal working pressure is 1600 kPa. (16 Bar).
  • The maximum working temperature is 50° C.
  • Fully shrouded pre-calibrated interchangeable internal mechanisms are available for ease of maintenance.
  • The meter body has no effect on accuracy.
  • The calibration vane is situated in a protected by-pass thus preventing impact and movement of the calibration vane
    by suspended solids in the pipeline resulting in the meter losing accuracy.
  • The meter can be marked with a QR code with meter serial number for GPS location and identification.
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Installation Instructions

The Infinity Evo Class C Woltmann water meter has been fully Tested and Verified by a registered Verification Officer prior to being supplied. This water meter is verified to SANS 1529-1: 2019/SANS 1529-4: 2004 Class C specifications and is supplied in a fully functional condition.

A water meter is a precision measuring device which has fine tolerances between its moving parts. It is designed for the measurement of potable water only. Grit, sand, or other suspended solids passing through this water meter will cause irreparable damage to the meter. Damage of this type caused during the installation process is not covered under Precision Meters warranty.

It is essential that the installer works cleanly during the installation process. The pipeline must be flushed thoroughly prior to the installation of this water meter

The Woltmann water meter is accepted by the NRCS for horizontal installation only. Under no circumstances must this meter be installed vertically or on its side.

It is strongly recommended that an inline strainer be fitted upstream of any Woltmann water meter at time of installation to prevent meter stoppages and possible damage caused by sticks, stones, and suspended solids in the water. Note: Strainers are available separately.

This water meter must be installed with a straight length of pipe free of valves, bends, and fittings equal in length to 10 X the diameter of the meter fitted upstream of the water meter and a straight length of pipe free of valves, bends, and fittings equal in length to 5 X the diameter of the meter fitted downstream of the water meter.

Note: This is a cold-water meter with a maximum working temperature of 50 °C. Should the water temperature at the metering point exceed this, this meter will be damaged irreparably. N.B. Do not solder capillary type fittings while fitted to the meter or use heat while this meter is fitted in the pipeline. Heat travels through the pipe during this process and this will damage the internals of the water meter irreparably.

Any position where the meter may be subjected to vibration, shock, cavitation, water hammer or surging due to rapid operation of valves etc. must be avoided as this will affect the meter's accuracy and damage to the meter will result.

Ensure that the 2 sections of pipework at the metering point line up correctly and that the gap size for the meter is correct to prevent damage to the meter and meter body. Any Mechanical or Shear stresses exerted on the meter body due to poor installation practices will damage this water meter irreparably.

Precautions must be taken to prevent freezing. A meter will be damaged and could even burst if the water freezes. The meter should also be installed at least one meter away from
any cold/freezing point like a standpipe for example where the water can freeze back down the pipeline from that point.

  1. This meter must be fitted horizontally with the counter on top. Please ensure that the installation is level.
  2. Select a position where the water meter will always be full of water. Never position a water meter at the discharge end of a pipeline.
  3. An arrow is cast into the body of the water meter to indicate direction of flow. Take note of the direction of flow in the pipeline and ensure that the meter is installed the correct way around when fitting the meter.
  4. It is advisable to fit an isolation both upstream and downstream of the water meter to prevent backflow and for ease of maintenance.
  1. Flush the service line upstream of the meter thoroughly to remove dirt and debris.
  2. If you are replacing an old meter, thoroughly clean the existing flange faces on using a wire brush. Ensure that all old gasket material etc. is removed.
  3. Insert the bolts through the bolt holes in the meter flange with the bolt heads on the meter side and the threads pointing outwards towards the pipeline.
  4. Place the gasket between the bolts and mate the flange of the meter to the flange on the pipeline ensuring that the gasket is located centrally. NB Never reuse an old gasket or use multiple gaskets because this will leak.
  5. Holding the bolt heads, lubricate the bolt and proceed to fit the nuts doing the topmost ones first. NB. Only tighten hand tight first and ensure that the gasket is positioned correctly.
  6. When all the nuts have been fitted and are hand tight, proceed to tighten the nuts in the correct order.
  7. When charging the lines, turn the water on gradually to ensure that all air is expelled before the valve is fully open. A water meter will suffer irreparable damage if subjected to high velocity air before it has been completely expelled from the system. The pipeline must be filled with water with all air present expressed before the valve is opened fully. The meter will then operate correctly.

Below, We will provide you with a step-by-step guide on how to handle the return of faulty Infinity Evo Class C Woltmann industrial water meter to Precision Meters.

Step 1: Documentation

  • Provide invoice and serial number of the meter.
  • A copy of invoice to verify the warranty claim period.

Step 2: Contract Review

  • Complete the Contract Review Document and obtain written consent from Precision Meters to open the Infinity Evo Class C Woltmann water meter for internal inspection.

Step 3: Inspection Fee

  • A fee of R300 per industrial meter is required for testing or internal inspection, payable by the customer.
  • Proof of payment is needed for COD clients plus a purchase order for account clients.

Step 4: Shipping Costs

  • All Infinity Evo Class C Woltmann meters must be returned at the client’s expense to our laboratory in Cape Town.
  • Transportation costs to Cape Town are not covered if handed in at our Joburg branch.

Step 5: Purchase Order

  • Provide a purchase order or a letter of acknowledgement for the testing fees and acceptance of costs.

Step 6: Plumber Costs

  • Precision Meters will not cover any plumbing costs for removing or replacing meters until the cause of failure is discovered.

Step 7: Completing the Document

  • Ensure the Contract Review Document is filled out correctly.

Step 8: Dispatching the Meter

  • Once above points are completed, dispatch the faulty meter(s) to our facility in Cape Town for testing and inspection.

Step 9: Testing and Report

  • Upon receipt, the Infinity Evo Class C Woltmann water meter will undergo testing and inspection.
  • An official report will be provided outlining the next steps.

Step 10: Finalizing the Process

  • Based on the inspection, if the meter is faulty due to manufacturing defects, it will be replaced at no charge.
  • However, if it’s not faulty, you will be liable for inspection costs and can request a quote for repair or opt to collect the meter as is.

Proper adherence to these steps ensures a smooth process in handling returns and inspections of your Infinity Evo Class C Woltmann water meter. If you have any questions, please reach out to our support team.

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