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Quick Answer: Silver Automation Instruments manufactures process flow meters and pressure transmitters for oil and gas, chemicals, water treatment, and food and beverage plants. Standard output includes 4-20 mA HART, and we supply DN3 to DN2000 lines with ATEX Zone 1 options. Give us your pipe size, flow range, fluid temperature, and pressure for a direct factory quotation.
In practice, most engineers who reach out to us are not looking for a generic meter. They need a Coriolis mass flow meter for crude oil custody transfer in the Middle East, an electromagnetic flow meter for wastewater sludge in Southeast Asia, or an oval gear flow meter for diesel consumption on fishing vessels in Oceania. We see this on customer sites many times. Silver Automation Instruments keeps a deep stock of components in Nanjing and ships to more than 60 countries with full documentation.
Coriolis Mass Flow Meter for Custody Transfer
Our direct mass flow measurement eliminates the need for separate density and temperature compensation. Models cover flow ranges from 0.1 kg/h up to 1,000,000 kg/h. Process connections come in DN3 to DN300, with 316L stainless steel or Hastelloy C22 wetted parts. Output signals include 4-20 mA HART, pulse, and Modbus RTU. A gas plant in Indonesia recently ordered ten units with Ex d IIC T6 certification for LPG loading. We calibrate each meter on our 1,200 kg mass flow rig before shipment. If you handle high-viscosity fluids above 1,000 cP, ask for the dual-tube bent design.
Electromagnetic Flow Meter for Wastewater and Sludge
Because many water treatment plants handle abrasive sludge, we fit these meters with PTFE or hard rubber liners and titanium or tantalum electrodes. Silver Instruments magmeters cover DN6 to DN2000 and tolerate up to 10 m/s flow velocity. A municipal authority in Vietnam installed 24 units for aeration basin monitoring. They run 24 V DC loop power and report data via RS485 to a paperless recorder. Accuracy stays within 0.2% of reading for conductive fluids above 5 µS/cm. For partially filled pipes, we supply our ultrasonic flow meter as an alternative variation.
Seawater Flow Meter for Desalination Plant
Seawater reverse osmosis systems demand materials that withstand 60,000 ppm salinity. Here is the thing: standard carbon steel flanges will not last. We use super duplex stainless steel or plastic-lined construction with IP68 submersible sensors. Our ultrasonic flow meter clamps onto DN50 to DN1200 pipes and measures flow from outside the pipe wall using transit time technology. There is no pressure drop, no moving parts, and the installation takes under three hours. A desalination plant in Chile recently logged an average error of 0.5% over 18 months using our clamp-on meter with a PT100 temperature input. Send us your seawater temperature, pipe material, and wall thickness for a technical proposal.
Oval Gear Flow Meter for Diesel and Oils
Small and medium enterprises in Africa and the Pacific Islands use oval gear meters for diesel consumption tracking on generators and marine engines. Silver Instruments delivers sizes from DN4 to DN150, with aluminium or cast iron bodies. The repeatability is 0.05%, and the built-in reed switch or NPN pulse output connects directly to a local display or PLC. A palm oil refinery in Malaysia added our oval gear meter with a 4-20 mA transmitter to measure CPO blends at 80°C. Because viscous fluids change behaviour with tempera
Pressure Transmitter and Paperless Recorder
Flow data without pressure context is incomplete. Our 4-20 mA HART pressure transmitter covers ranges from 10 mbar to 600 bar in gauge, absolute, and differential configurations. Process connections include 1/2 inch NPT, M20x1.5, and flush diaphragm types for viscous media. A chemical distributor in Brazil pairs our pressure transmitter with a 16-channel paperless recorder to log pump suction and discharge pressures alongside flow totals. The recorder stores 2 GB of data on an SD card and exports via USB. So you get a complete batch report without a SCADA system.
FAQ
Do you offer ATEX or IECEx certified flow meters?
Yes. Silver Automation Instruments provides Ex d, Ex ia, and Ex nA protection for Coriolis, electromagnetic, and vortex flow meters. We include the certificate from a notified body with each shipment. Our stainless steel junction boxes meet IP66/IP67, and the temperature class is T3 to T6 depending on the model. Specify the zone classification with your inquiry.
Can the electromagnetic flow meter measure demineralized water?
Standard magmeters need a minimum conductivity of 5 µS/cm. Demineralized water often drops below 1 µS/cm and creates a noisy signal. In that case we recommend an ultrasonic flow meter or a Coriolis meter. A power plant customer in Saudi Arabia faced this issue and switched to our DN80 Coriolis meter for boiler feed water. The reading was stable from the first day.
What is the accuracy of your Coriolis meter for bunker fuel?
We quote 0.1% of reading for liquids and 0.5% for gas. For bunker fuel, which is typically classified as RMG 380 or RMK 700, the meter retains accuracy down to 0.2% when the fluid temperature varies between 40°C and 150°C. We test with heavy oil traceable to ISO 17025 labs. A ship management company in Greece checks their bunker invoices against our meter and found a 1.2% average deviation from the supplier reading.
How to order a thermal mass flow meter for biogas?
Biogas contains methane, CO2, and trace H2S. Our thermal mass flow meter uses a Hastelloy C probe and measures mass flow directly in kg/h or Nm³/h. We need the pipe diameter, gas composition, operating pressure, and temperature. Send these four parameters to [email protected]. We will return a data sheet within 24 hours. The insertion probe fits DN80 to DN3000.
Do you provide local after-sales support in Australia?
Silver Instruments keeps a calibration lab in Sydney and stocks fast-moving spares for the ANZ market. We also offer remote video assistance via WhatsApp and WeChat. For on-site commissioning, we send an engineer from Nanjing within ten working days. The warranty is 24 months for electronics and 12 months for wetted parts.
Let me know if you would like alternative variations for any of these specific titles. We customise flange standards (ANSI, DIN, JIS), wetted materials, and output protocols to match your local requirements. Send your pressure (bar), temperature (°C), pipe size (DN), and flow range to [email protected] or reach us at Tel: +86-135-1213-1526. WhatsApp: 86-135-12131526. WeChat: +86 13512131526. Our engineers will answer within 12 hours.