Water Meter Specifications
Impulse Water Meters
Hot water meter with volt free proportional signal ideal for process applications where accurate
measurement of the flow is critical particularly when chemical efficiency has to be maintained throughout the process,
designed for cold temperature pipework and supplied with installation kit with two meter pulse lead providing
a accurate proportional measurement of the water flow.
Technical Features
» Dry dial face ensures clear readable
totalising counter
» Internal strainer protects internal gearing mechanism
» Supplied with set of couplings and
seals for installation
» Temperature 90° Max - Pressure rating 16 Bar
» Proportional volt free pulse output lead
(2mtr)
N.B. Recommend Installation Of Isolation Valves Each Side Of Meter
Water Meters
Water meters designed to be permanently installed into the existing pipework accurately measure the
water flow using a highly sensitive gear turbine mechanism and flow counter utilised for billing purposes or
integrated into complex process control applications with two factors deciding the water meter required pipe
diameter and temperature, meters up to 2" are supplied with threaded couplings and seals to aid installation
meters up to 10" are flange water meters and separated between two temperature ranges cold (30°) and
high temp (90°) water meters.
Water meters are often used as a practical solution in many industrial
sectors due to their accuracy and reliability commonly employed on irrigation systems, cooling towers, water processing
systems and industrial boilers where meters with a pulse digital output signal are interfaced with monitoring and control systems.
Woltmann Flange Water Meters
|
Size mm
|
Size "
|
Length
|
Min Flow
|
Max Flow
|
Pressure
|
Standard Pulse Rate
|
|
15mm
|
½"
|
259mm
|
0.031 M³/hr
|
3.00 M³/hr
|
16 Bar
|
1 Pulse a Litre
|
|
20mm
|
¾"
|
294mm
|
0.050
M³/hr
|
5.00 M³/hr
|
16 Bar
|
1 Pulse a Litre
|
|
25mm
|
1"
|
380mm
|
0.078 M³/hr
|
7.50 M³/hr
|
16 Bar
|
1 Pulse a Litre
|
|
32mm
|
1¼"
|
385mm
|
0.125 M³/hr
|
12.50 M³/hr
|
16
Bar
|
1 Pulse to 10 Litres
|
|
40mm
|
1½"
|
431mm
|
0.200 M³/hr
|
20.00 M³/hr
|
16 Bar
|
1 Pulse to 10 Litres
|
|
50mm
|
2"
|
448mm
|
0.313 M³/hr
|
31.00 M³/hr
|
16
Bar
|
1 Pulse to 10 Litres
|
Cold Water Meters
Cold water meter with volt free proportional signal ideal for process applications where accurate
measurement of the flow is critical particularly when chemical efficiency has to be maintained throughout the process,
designed for cold temperature pipework and supplied with installation kit with two meter pulse lead providing
a accurate proportional measurement of the water flow.
Technical Features
» Dry dial face ensures clear readable
totalising counter
» Internal strainer protects internal gearing mechanism
» Standard set of couplings and
seals for installation
» Temperature 30° Max - Pressure rating 16 Bar
» Proportional volt free pulse output lead (2mtr)
N.B.
Recommend Installation Of Isolation Valves Each Side Of Meter
N.B.
Recommend Installation Of Isolation Valves Each Side Of Meter
Woltmann Meters WRAS & MID Approved
Multi Jet
Water Meters
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Electronic Dosing Systems
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Solutions For All Metering & Measurement Processes
Pulsed Output Signal
The mechanical turbine mechanism provides a digital volt free pulse signal directly proportional
to the flow increasing the number-frequency of pulses according to the water flow through the meter this relationship is directly proportional
and locked in allowing the pulse output from the water meter to be utilised to control other equipment such as dosing pumps and
water treatment systems alternatively integrated with remote monitoring building management systems.
Pulse K Factor
Impulse water meters with volt free pulse signal also known as the (K factor) equating to pulse per litre of water flow running through the water meter providing a proportional signal utilised for process control applications being factory set and must be specified when the meter is ordered.
Pulse K Factor
Impulse water meters with volt free pulse signal also known as the (K factor) equating to pulse per litre of water flow running through the water meter providing a proportional signal utilised for process control applications being factory set and must be specified when the meter is ordered.
Multi Jet Water Meters
Cold water meters designed for 30°C temperature process applications where the water flow
changes significantly whilst retaining high precision even at low flow making them more attractive for use in
a wide range of critical industrial process applications, feature multiple flow inlets around the circumference
of the meter housing allowing the water flow to enter into the turbine gear mechanism from various points
striking the impeller from different angles maintaining a continuous highly accurate reading.
High Temperature
Water Meters
Multi jet water meters designed for 90°C temperature process applications where
the water flow change significantly whilst retaining high precision even at low flow making them more attractive
for use in a wide range of critical industrial process applications, feature multiple flow inlets around
the circumference of the meter housing allowing the water flow to enter into the turbine gear mechanism from
various points striking the impeller from different angles maintaining a continuous highly accurate reading.
Preferred mounting position horizontal for maximum accuracy
Available (Constant) K Factors (pulse per litre)
| K=1 1.0 pulse/litre | K= 10 1.0 pulse/litres | K=10 1.0 pulse-
10 litres | K=100 1.0 pulse 100/litres | K=1000 1.0 pulse 1000/litres |
