Pulse emitter water meters
Pulse emitter water meters are mainly used when have proportional dosing in relation to the water flow is required.
These types of water meters work in conjunctions with FWT solenoid driven dosing pumps model P/D and MF (multifunction pump, proportional mode).
The above pump model offer different functions in order to refine the dosing operations such as.
Proportional modes:
Divider n:1 (n= pulses received /1= injection;
Multiplier 1xN (1=pulse received *N= injections);
Multiplier 1xN M (1=pulse received with Memory);
Pacing 1:1 (1 pulse received/1 injections).
Threaded pulse water meters, dry dial
Multi-jets, Cold/hot water meter.
Threaded cold water meters pulse emitter STANDARD 4 imp/lt — Max 30°.

Model | Connections | Ø mm | NominalFlow |
WMTC 13 | 1/2” | 13 | 1,5 m3/h |
WMTC 20 | 3/4″ | 20 | 2,5 m3/h |
WMTC 25 | 1” | 25 | 3,5 m3/h |
WMTC 30 | 1 1/4” | 30 | 5 m3/h |
WMTC 40 | 1 1/2” | 40 | 10 m3/h |
WMTC 50 | 2” | 50 | 15 m3/h |
Threaded hot water meters pulse emitter STANDARD 4 imp/lt -Max 90°C

Model | Connections | Ø mm | NominalFlow |
WMTH 13 | 1/2” | 13 | 1,5 m3/h |
WMTH 20 | 3/4″ | 20 | 2,5 m3/h |
WMTH 25 | 1” | 25 | 3,5 m3/h |
WMTH 30 | 1 1/4” | 30 | 5 m3/h |
WMTH 40 | 1 1/2” | 40 | 10 m3/h |
WMTH 50 | 2” | 50 | 15 m3/h |
Flanged pulse water meters
Woltman type, Cold water meter.
Flanged cold water meters pulse emitter — Max 30°.
*Pulse configuration can be changed upon request

Model | Model | Connections | Pulse / lt* | Nominal flow |
WMFC 50 | 2” | 1/10 lt | 50 | 15 m3/h |
WMFC 65 | 2 1/2 ” | 1/10 lt | 65 | 25 m3/h |
WMFC 80 | 3” | 1/10 lt | 80 | 40 m3/h |
WMFC 100 | 4” | 1/1000 lt | 100 | 60 m3/h |
WMFC 150 | 6” | 1/1000 lt | 150 | 150 m3/h |
WMFC 200 | 8” | 1/250 lt | 200 | 250 m3/h |
Pulse / litres configuration charts
Flow rates are indicated in m3/h unless otherwise stated
Pulses per lt | Liters / Pulses | ||||||||||||||||
Diam.Ø mm | Inch | Nominal Flow | 4 | 2 | 1 | 2.5 | 5 | 10 | 25 | 50 | 100 | 250 | 500 | 1000 | |||
13* | 1/2″ | 1.5 m3/h | ●* | ¨ | ¨ | ¨ | ¨ | ¨ | ¨ | ¨ | ¨ | ¨ | ¨ | ¨ | |||
20* | 3/4” | 2.5 m3/h | ●* | ¨ | ¨ | ¨ | ¨ | ¨ | ¨ | ¨ | ¨ | ¨ | ¨ | ¨ | |||
25* | 1” | 3.5 m3/h | ●* | ¨ | ¨ | ¨ | ¨ | ¨ | ¨ | ¨ | ¨ | ¨ | ¨ | ¨ | |||
30* | 1 1/4” | 5 m3/h | ●* | ¨ | ¨ | ¨ | ¨ | ¨ | ¨ | ¨ | ¨ | ¨ | ¨ | ¨ | |||
40* | 1 1/2” | 10 m3/h | ●* | ¨ | ¨ | ¨ | ¨ | ¨ | ¨ | ¨ | ¨ | ¨ | ¨ | ¨ | |||
50* | 2” | 15 m3/h | ●* | ¨ | ¨ | ¨ | ¨ | ¨ | ¨ | ¨ | ¨ | ¨ | ¨ | ¨ | |||
50** | 2” | 15 m3/h | ¨ | ¨ | ●* | ¨ | ¨ | ¨ | ¨ | ¨ | ¨ | ||||||
65** | 2 1/2” | 25 m3/h | ¨ | ¨ | ●* | ¨ | ¨ | ¨ | ¨ | ¨ | ¨ | ||||||
80** | 3” | 40 m3/h | ¨ | ¨ | ●* | ¨ | ¨ | ¨ | ¨ | ¨ | ¨ | ||||||
100** | 4” | 60 m3/h | ¨ | ¨ | ¨ | ¨ | ¨ | ●* | |||||||||
150** | 6” | 150 m3/h | ¨ | ¨ | ¨ | ¨ | ¨ | ●* | |||||||||
200** | 8” | 250 m3/h | ●* | ¨ | ¨ | ||||||||||||
* Threaded connection | ●* | Standard pulses | |||||||||||||||
** Flanged connection | ¨ | Pulses upon request |