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1.5 Water Flow Meter: 1.5-Inch Submetering Equipment Sourcing Portal
Quick Answer: Silver Automation Instruments supplies 1.5 inch water flow meters for building submetering, irrigation branch lines, RO skids, and cooling water loops. The common inline choice is a DN40 electromagnetic meter. Send us your pressure in bar, temperature in °C, pipe size DN, and flow range for a specific quote.
What This Sourcing Portal Covers
This sourcing portal focuses on 1.5 inch water flow meter options for engineers and procurement teams. We support industrial end users and distributors in Southeast Asia, Oceania, Latin America, Africa, and the Middle East.
Many sites call 1.5 inch pipe DN40 in ISO drawings. Some sites use 1.5 inch NPT threads. Others use ANSI 150 lb flanges. State the connection type when you send the inquiry.
Because many buildings use 1.5 inch branch lines, DN40 shows up often in tender documents. Do not select a meter on size alone. Minimum flow, pressure drop, and output signal matter just as much.
Recommended 1.5 Inch Water Flow Meter Types
For clean water submetering, the Silver Automation Instruments electromagnetic flow meter model SIL-EMF-40 is a common first choice. It installs inline on DN40 pipe. It has no moving parts and no pressure drop from a mechanical element. Accuracy is ±0.5% of reading. Outputs include 4-20 mA HART, pulse, and RS485 Modbus.
Liner options include PTFE and hard rubber. Electrode options include 316L stainless steel and Hastelloy C. Municipal water usually has conductivity from 150 to 500 µS/cm. That is enough for an electromagnetic meter.
For retrofit jobs where pipe cutting is not allowed, the clamp-on ultrasonic flow meter model SIL-UMF-40 works on 1.5 inch OD tubing. The clamp-on type is not wetted. We have seen clamp-on ultrasonic meters used on chilled water and cooling tower submetering loops. The clamp-on meter needs a straight pipe run of 10D upstream and 5D downstream. Accuracy is ±1.0% of reading when installed correctly.
Vortex flow meters are also available for 1.5 inch water lines with higher temperature. They work on boiler feedwater or hot water return lines. They are not ideal for low flow below 0.5 m/s. So verify the minimum flow first.
Key Specifications for DN40 Water Submetering
DN40 size. Flow range from 0.2 to 20 m3/h for electromagnetic types. Temperature from 0 to 70 °C for standard liner. Pressure up to 16 bar. Power options include 24 V DC, 85 to 265 V AC, and battery powered for remote sites.
Output options include 4-20 mA HART, RS485 Modbus, pulse, and GPRS or NB-IoT in some configurations. For potable water submetering, specify NSF certified materials. For desalination permeate lines, specify titanium electrodes and PTFE liner. For wastewater, hard rubber liner and 316L electrodes are more common.
Some building submetering jobs start at DN15 for apartment units
How Buyers Use 1.5 Inch Water Flow Meters
Building owners install these meters on tenant water supply lines. They measure consumption per floor or per apartment block. Property managers use RS485 Modbus to send data to a central building management system.
Last year a customer in Vietnam ordered 12 units of DN40 electromagnetic meters for a commercial building submetering retrofit. The site needed RS485 Modbus output to a central BMS. We shipped from stock in 7 days. That is the typical use case for this portal.
Irrigation operators install 1.5 inch meters on branch lines. They track water use per zone. In Australia, some farms use battery powered electromagnetic meters with pulse output for pump run time control.
OEM skid builders install DN40 water meters on reverse osmosis systems, cooling towers, and boiler feed skids. They need compact dimensions and 4-20 mA HART output. We ship to Vietnam, Indonesia, Saudi Arabia, Chile, Nigeria, and other locations.
Sourcing Portal Inquiry Process
Send us your pipe size, connection type, pressure, temperature, flow range, and output requirement. We reply with model recommendation, price range, lead time, and freight cost to your port.
For distributors, we provide protected pricing, test reports, and private label options. State your target country and monthly volume. We support Spanish, Arabic, Portuguese, and English communication.
Contact Silver Automation Instruments. Tel: +86-25-68650347. WhatsApp: +86-25-52155837. WeChat: +86 15365082610.
FAQ: 1.5 Inch Water Flow Meter Sourcing
Which type is best for 1.5 inch potable water submetering?
Electromagnetic inline meters with NSF approved liner are the common first choice. They handle low conductivity water and have no pressure drop from moving parts.
Can I install a 1.5 inch meter without cutting the pipe?
Yes. Clamp-on ultrasonic meters can be installed on the outside of 1.5 inch pipe. They require clean pipe surface and straight run. Accuracy is not as high as inline electromagnetic but retrofit work is faster.
Do you offer battery powered 1.5 inch water meters?
Yes. Some electromagnetic and ultrasonic models support battery power with pulse or wireless output. These are used on remote irrigation lines and bore water systems.
What is the typical lead time for DN40 water flow meters?
Stock models ship in 5 to 10 working days. Custom flange or special liner orders take 3 to 4 weeks. We quote lead time per order after checking your required output and approvals.
What details do you need for a price quote?
We need pressure in bar, temperature in °C, pipe size DN or inch, flow range, connection type, output signal, and target country. That is enough for a first quotation.