Dositec WMF® 8 Multifunction Digital Chemical Dosing Pump
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Product Overview
The Dositec WMF® 8 is a multifunction digital electromagnetic chemical dosing pump designed for accurate and flexible liquid chemical injection in fertigation, irrigation, water treatment and general dosing applications.
With a maximum flow rate of 8 L/h and pressure capability up to 8 bar, the WMF 8 is ideal for low-flow chemical dosing where more control options are required than a standard manual pump. The multifunction control system allows operation via manual flow regulation, proportional dosing, analogue 4–20 mA control and timer-based dosing, making it suitable for both simple and automated dosing systems.
The Dositec WMF range features an 8 x 2 backlit digital display, keypad operation, flow rate visualisation in percentage and a compact wall-mounted design. It is also built with IP65 protection, making it suitable for demanding agricultural, irrigation and water treatment environments.
The standard configuration includes PVDF head and valves, Pyrex® balls, PTFE diaphragm and Viton® seals, providing strong chemical resistance for a wide range of commonly used liquid chemicals.
The Dositec WMF® 8 is a strong choice for users who need a compact digital dosing pump with flexible control options for accurate chemical injection.
Key Features
- Maximum flow rate: 8 L/h
- Maximum pressure: 8 bar
- Multifunction digital control
- Manual, proportional, analogue 4–20 mA and timer control
- Flow rate visualisation in %
- 8 x 2 backlit digital display
- Wall-mounted design
- IP65 protection rating
- PVDF head and valves
- PTFE diaphragm
- Viton® seals
- Pyrex® balls
- Supplied with accessory kit including foot filter, injection valve, suction tube and delivery tube
- Suitable for fertigation, water treatment, chemical dosing, agriculture and irrigation systems
Applications
Frequently Asked Questions
What is the Dositec WMF® used for?
The Dositec WMF® is a multifunction electronic dosing pump designed for controlled chemical dosing. It can operate in manual mode, pulse mode from a water meter, or proportional dosing from a mA signal.
What operating modes does the Dositec WMF® have?
The WMF® has 3 possible operating modes: Manual, Pulse and mA Input. Manual mode provides constant dosing, Pulse mode doses in proportion to pulses received from a water meter, and mA Input mode doses in proportion to an incoming mA signal.
Can the Dositec WMF® work with a water meter?
Yes. The WMF® can receive pulses from a water meter and dose proportionally. It supports pulse functions including 1/n, 1 x n, 1 x n with memory, and ppM dosing.
What is ppM dosing mode?
In ppM mode, the pump receives pulses from the water meter and automatically calculates the required dose based on the programmed ppM value, chemical concentration, litres per pulse, and the amount dosed per injection.
Can the Dositec WMF® be controlled by a 4–20mA signal?
Yes. In mA Input mode, the WMF® doses proportionally to the input current. The minimum and maximum mA values, along with the corresponding dosing frequency, can be programmed.
What does the display show?
The WMF® has an 8 x 2 backlit LCD display. It shows operating mode, dosing frequency percentage, mA input value, pulse settings, stop status, level alarm and programming information.
Does the pump have level control?
Yes. The WMF® has an optional level probe input. When the level contact closes, the pump stops dosing, the green ON LED blinks, and the display shows the level status. When the contact opens again, the pump returns to operation.
Can the pump be put into standby?
Yes. Holding the ESC/SBY button for 2 seconds puts the pump into standby mode. In standby, the pump stops dosing and the green ON LED flashes. Holding the button again for 2 seconds returns the pump to operation.
What flow and pressure versions are available?
The WMF® range includes versions such as 2 L/h at 18 bar, 5 L/h at 10 bar, 8 L/h at 8 bar, and 20 L/h at 3 bar. The actual cc per injection changes depending on the model and operating pressure.
Can the Dositec WMF® settings be restored to factory defaults?
Yes. The pump includes a default settings restore function. The factory default mode is ppM, with default values including ppM 0.4, 5% concentration, L/i 1, 0.20cc per injection, and 0 second start-up delay.
Downloads
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Specifications
Maintenance Kits & Spare Parts
Compatible spare parts for this pump
Contact us for spare parts and maintenance kits.
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What Our Customers Say
"Incredible dosing and consistent results. Perfect for our irrigation needs."
Agriculture
"Simple to operate and built to last – exactly what we needed for fertigation."
Horticulture
"The team knows their stuff. Helped us choose the right dosing solution."
Water Treatment
Dositec WMF® 8 Multifunction Digital Chemical Dosing Pump
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Applications