Current position > Product detail
『Digiten Water Flow Control Meter: Integrated Electronic Automated Shutoff Systems』Related information(flow rotameter|digital flow meter|balo meter|hydraulic flow meter|volumetric meter|positive displacement meter|pitot tube flow meter|displacement meter|cfm meter|variable area flow meter|inline flow meter|differential pressure flow meter|calibrated flow meter|velocity meter|paddle wheel flow meter|oval gear flow meter|anemometer hvac|multiphase flow meter|doppler flow meter|thorpe tube flowmeter|heat flow meter)
Digiten Water Flow Control Meter: Integrated Electronic Automated Shutoff Systems
Quick Answer: Silver Automation Instruments supplies Digiten water flow control meters with integrated electronic automated shutoff systems for industrial water and wastewater lines. The meter reads flow rate, compares it to preset limits, and sends a signal to close a valve when flow moves outside the safe range. This system helps prevent water damage, pump dry running, and unplanned downtime.
What the Digiten Water Flow Control Meter Does
This Digiten meter combines a flow sensor, an electronic controller, and a relay output in one compact housing. It is designed for DN15 to DN50 pipes. The display shows current flow rate and total volume. The controller stores high flow and low flow alarm points. When flow crosses one of those points, the relay output changes state. That output can drive a solenoid valve or an electric ball valve.
How the Integrated Electronic Automated Shutoff Works
The meter receives a pulse signal from the internal impeller or Hall effect sensor. The controller calculates flow in L/min. If the reading exceeds the high flow setpoint for more than 2 seconds, the relay closes the valve. If the reading drops below the low flow setpoint for more than 5 seconds, the same relay can close the valve or trigger an alarm. The delay time is adjustable from 1 to 60 seconds. This avoids false trips caused by air bubbles or pump start-up.
Industrial Applications We See in the Field
We have supplied this water flow control meter to a desalination plant in Oman for filter backwash lines. Last year a customer in Vietnam asked us for a DN25 line with a 35 L/min control point. A paint manufacturer in Vietnam uses two units on cooling water loops to protect heat exchangers. One food processor in the Philippines installed the meter on a washdown line with a DN25 electric ball valve. If the flow rate stays above 35 L/min for 10 seconds, the system opens the valve. If the flow stops, the valve closes after 30 seconds.
Key Specifications That Matter for Engineers
The standard Digiten water flow control meter covers 0.5 to 120 L/min depending on pipe size. Accuracy is plus or minus 2 percent of full scale. The wetted body is available in PVC or brass. The sensor operates at up to 10 bar pressure and 80 °C water temperature. Power supply is 24 V DC. Output options include pulse, 4-20 mA, and one relay contact rated at 3 A. Enclosure rating is IP65. Process connections are BSP or NPT thread.
Common Field Issues and How to Avoid Them
Most engineers skip the straight run requirement. The Digiten flow control meter needs at least 10 pipe diameters upstream and 5 pipe diameters downs
Recommended Model Selection Based on Pipe Size and Flow
For DN15 to DN20 pipe with 0.5 to 20 L/min flow, choose the Digiten PVC body with 4-20 mA output. For DN25 to DN32 pipe with 5 to 60 L/min flow, choose the brass body version with relay output and a separate electric ball valve. For DN40 to DN50 pipe with 10 to 120 L/min flow, select the PVC body with pulse output and a high flow alarm relay. Silver Automation Instruments can also integrate the meter with your PLC through a 4-20 mA HART module if your site uses that standard.
FAQ
Can the Digiten water flow control meter work with a separate electric ball valve? Yes. The relay output is a dry contact. It can drive a 24 V DC or 220 V AC electric ball valve through an external relay or contactor. Most customers use a 24 V DC valve because wiring is simpler.
What flow range does the Digiten meter and shutoff system cover? The standard range is 0.5 to 120 L/min across DN15 to DN50. If your line needs more than 120 L/min, Silver Automation Instruments recommends an electromagnetic flow meter with a separate controller and valve.
Does the integrated electronic shutoff system work if power fails? No. The controller needs 24 V DC power to monitor flow and drive the relay. If power failure is a risk, use a normally closed valve with a battery backup or a manual bypass.
Which industries use the Digiten water flow control meter the most? Water treatment, cooling water loops, food and beverage washdown, chemical dosing, and aquaculture. We supply many units to Southeast Asia, the Middle East, and Latin America.
How do I order a Digiten water control meter from Silver Automation Instruments? Send us your pressure in bar, temperature in °C, pipe size in DN, and flow range in L/min. Also tell us the valve type and power supply voltage. You can reach us on Tel: +86-25-68650347, WhatsApp: +86-25-52155837, or WeChat: +86 15365082610.
How to Request a Quote
To get a price from Silver Automation Instruments, prepare these four items. First, pipe size and process connection type. Second, minimum and maximum flow rate. Third, operating pressure and temperature. Fourth, power supply and output signal. Send us your pressure in bar, temperature in °C, pipe size in DN, and flow range in L/min. Our engineers will reply within 24 hours with a model recommendation and a quotation.