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PRECISION METERS

Infinity EVO Class B Woltmann Water Meter

Industrial Water Meter

The Infinity EVO Woltmann Class B Water Meter complies with all requirements of the Legal Metrology Act (2014), SANS 1529-1: 2019 and the National Regulator for Compulsory (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 volume for cold potable water passing through a pipeline.
  • Zone metering and area monitoring.

FEATURES

  • Complies with SANS 1529-1: 2019 Class B standards.
  • Certified to Directive 2014/32/EU (Annex MI-001).
  • P68 copper register features a scratch-resistant mineral glass lens.
  • Includes standard pulse capability.
  • Options available for magnetic reed switch, inductive pulser, or radio module.
  • Performance remains unaffected by installation conditions.
  • Suitable for both horizontal and vertical (upward) installations.
  • Serial number is displayed on the dial face.
  • Registers are protected with magnetic shielding to prevent interference and tampering.
  • Meter body is constructed from SG cast iron for enhanced strength and resistance to shock.
  • Both the interior and exterior of the meter body are epoxy-coated.
  • Steel pivot and synthetic sapphire bearings ensure long-lasting durability and precision.
  • Internal components are made from robust, hygroscopic anti-scaling virgin engineering plastics.
  • Equipped with an integrated flow straightener.
  • No requirement for upstream or downstream straight pipe sections (U0-D0).
  • Rated for a nominal working pressure of 1600 kPa (16 Bar).
  • Maximum operational temperature is 50°C.
  • Pre-calibrated, fully encased, and interchangeable internal mechanisms are available for easy maintenance.
  • The meter body does not affect measurement accuracy.
  • The calibration vane is protected by a bypass to prevent damage and displacement by suspended solids, ensuring consistent accuracy.
  • The meter can be equipped with a QR code for serial number identification and GPS location.
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Installation Instructions

Thank you for choosing the Precision Meters Infinity EVO Class B Woltmann water meter.
This device has undergone thorough testing and verification at Precision Meters’ SANAS Accredited Verification Laboratory, conducted by a certified Verification Officer, to ensure it meets SANS 1529-1:2019 Class B specifications. It is supplied in full working order.
As a precision instrument, the water meter features exacting tolerances between its moving parts and is designed exclusively for measuring potable water. Exposure to grit, sand, or other suspended solids can cause permanent damage to the meter. Such damage incurred during installation is not covered by the Precision Meters warranty.
To ensure proper installation, it is imperative that the installer maintains cleanliness throughout the process. Thoroughly flush the pipeline before installing the meter.

The Infinity EVO Class B water meter is approved by the NRCS for horizontal installation only. It must not be installed vertically or on its side.

We strongly recommend installing an inline strainer upstream of the meter to prevent clogs and potential damage from debris such as sticks and stones. Note: Strainers are sold separately.

Ensure that the meter is installed with a straight length of pipe free of valves, bends, or fittings equal to 10 times the diameter of the meter upstream and 5 times the diameter downstream.

Note: This meter is designed for cold water with a maximum operating temperature of 50°C. Exceeding this temperature can cause irreversible damage. Avoid soldering or applying heat near the meter during installation, as heat can travel through the pipe and damage the meter's internals.

Prevent installation in areas subject to vibration, shock, cavitation, water hammer, or rapid valve operations, as these conditions can affect meter accuracy and cause damage.

Ensure that the 2 pipe sections at the metering point align correctly and that there is no excessive mechanical stress on the meter body, as improper installation can cause irreparable damage.

To prevent freezing, install the meter at least one meter away from potential freezing points, such as standpipes, to avoid water freezing and potentially bursting the meter.

  1. Horizontal Installation: The meter must be installed horizontally with the counter positioned on top. Ensure the installation is level.
  2. Water Level: Position the meter where it will remain fully submerged in water. Avoid placing the meter at the discharge end of a pipeline.
  3. Flow Direction: The meter features a flow direction arrow cast into its body. Ensure the meter is installed in the correct direction according to the pipeline flow.
  4. Isolation Valves: It is advisable to install isolation valves both upstream and downstream of the meter for backflow prevention and ease of maintenance.
  1. Flush the Line: Thoroughly flush the service line upstream of the meter to remove any dirt and debris.
  2. Clean Flanges: If replacing an old meter, clean the existing flange faces with a wire brush and remove any old gasket material.
  3. Install Bolts: Insert bolts through the meter flange holes with the heads facing the meter side and the threads extending towards the pipeline.
  4. Position Gasket: Place the gasket between the bolts and align the meter flange with the pipeline flange, ensuring the gasket is centered. Do not reuse old gaskets or use multiple gaskets, as this may cause leaks.
  5. Tighten Bolts: Lubricate the bolts and tighten the nuts starting with the topmost ones. Initially, tighten them by hand and ensure the gasket is properly positioned.
    Final Tightening: Once all nuts are hand-tight, tighten them in the specified order using a ring spanner of the correct size (see Diagram 1).

Follow these steps to return a faulty Infinity EVO Woltmann Class B water meter to Precision Meters:

Step 1: Documentation

  • Provide the invoice and meter serial number.
  • Include a copy of the invoice to verify the warranty period.

Step 2: Contract Review

  • Complete the Contract Review Document and obtain written consent from
  • Precision Meters to open the meter for internal inspection.

Step 3: Inspection Fee

  • Pay a fee of R300 per meter for testing or internal inspection.
  • Provide proof of payment for COD clients or a purchase order for account clients.

Step 4: Shipping Costs

  • Return the meter to our Cape Town laboratory at your expense.
  • Shipping costs to Cape Town are not covered if the meter is handed in at our Johannesburg branch.

Step 5: Purchase Order

  • Submit a purchase order or acknowledgment letter for testing fees and acceptance of costs.

Step 6: Plumber Costs

  • Precision Meters does not cover plumbing costs for removing or replacing meters until the cause of failure is determined.

Step 7: Complete Documentation

  • Ensure the Contract Review Document is filled out accurately.

Step 8: Dispatch Meter

  • After completing the above steps, send the faulty meter(s) to our Cape Town facility for testing and inspection.

Step 9: Testing and Reporting

  • Upon receipt, the meter will be tested and inspected.
  • An official report will outline the next steps.

Step 10: Finalising the Process

  • If the meter is found to be faulty due to manufacturing defects, it will be replaced at no charge.
  • If not, you will be responsible for inspection costs and can request a repair quote or collect the meter as is.

Following these steps will ensure a smooth process for handling returns and inspections of your Infinity EVO Class B Woltmann water meter. If you have any questions, please reach out to our support team.

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