Flanged water meter and Woltmann Water Meter range with pulsed output and flow totalisation

Flanged Water Meter

When the flow or volume of clean water passing through large diameter pipework needs to be accurately measured our CWFA range of flanged water meters are an ideal solution.

The CWFA series of water meters with flanged connections are manufactured with a coated cast iron body housing a high sensitivity turbine and impulse sender which drives the large accurate mechanical gear train.

Our range of flanged water meters are designed to measure the volume of cold clean water, such as towns water supplies to industrial premises, predominantly used for electroplating lines, evaporative cooling tower make up water or another industrial process where the volume of clean water passing through the flanged water meter has to be accurately measured and totalised.

The temperature of the water passing through the water meter can be up to 30°C and a pressure of 16 Bar.

Flanged Water Meter Installation

Our flanged water meters are constructed with a 4 hole or 8 hole flange which is designed to bolted into pipework as a permanent measuring device.

The high sensitivity turbine drives a large accurate gear chain to give precision measurements for the non-resettable totalising counter as well as driving a pulse output corresponding to the flow rate.

Flanged Water Meter Pulsed Output

The pulsed output from each of the brass bodied water metres is a volt free signal corresponding to the water meters rated K Factor or Constant.

Our full range of cold water meters are listed below:-

Flanged Water Meter Range


CWFA 50

CWFA 50

The CWFA 50 is a 50mm or 2" flanged water meter designed to accurately measure the volume of water passing through it.

As a 2" Flange Water Meter the CWFA 50 is suitable for a maximum flow rate of 15 m/ Hr and has a K Constant of K=10.0, giving a pulsed output of 1 pulse per 10 Litres.

In addition to the pulsed output the CWFA 50 has a non-resettable mechanical counter located on the face of the water meter.

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CWFA 70

CWFA 70

The CWFA 70 is a 70mm or 2 1/2" flanged water meter designed to accurately measure the volume of water passing through it.

As a 2 1/2" Flange Water Meter the CWFA 70 is suitable for a maximum flow rate of 25 m/ Hr and has a K Constant of K=10.0, giving a pulsed output of 1 pulse per 10 Litres.

In addition to the pulsed output the CWFA 70 has a non-resettable mechanical counter located on the face of the water meter.

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CWFA 80

CWFA 80

The CWFA 80 is an 80mm or 3" flanged water meter designed to accurately measure the volume of water passing through it.

As a 3" Flange Water Meter the CWFA 80 is suitable for a maximum flow rate of 40 m/ Hr and has a K Constant of K=10.0, giving a pulsed output of 1 pulse per 10 Litres.

In addition to the pulsed output the CWFA 80 has a non-resettable mechanical counter located on the face of the water meter.

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CWFA 100

CWFA 100

The CWFA 100 is a 100mm or 4" flanged water meter designed to accurately measure the volume of water passing through it.

As a 4" Flange Water Meter the CWFA 100 is suitable for a maximum flow rate of 60 m/ Hr and has a K Constant of K=100.0, giving a pulsed output of 1 pulse per 100 Litres.

In addition to the pulsed output the CWFA 100 has a non-resettable mechanical counter located on the face of the water meter.

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CWFA 150

CWFA 150

The CWFA 150 is a 150mm or 6" flanged water meter designed to accurately measure the volume of water passing through it.

As a 6" Flange Water Meter the CWFA 150 is suitable for a maximum flow rate of 150 m/ Hr and has a K Constant of K=100.0, giving a pulsed output of 1 pulse per 100 Litres.

In addition to the pulsed output the CWFA 150 has a non-resettable mechanical counter located on the face of the water meter.

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CWFA 200

CWFA 200

The CWFA 200 is a 200mm or 8" flanged water meter designed to accurately measure the volume of water passing through it.

As an 8" Flange Water Meter the CWFA 200 is suitable for a maximum flow rate of 250 m/ Hr and has a K Constant of K=1000.0, giving a pulsed output of 1 pulse per 1000 Litres or 1 pulse per 1m3.

In addition to the pulsed output the CWFA 200 has a non-resettable mechanical counter located on the face of the water meter.

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