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AW Company Flow Meter: Sourcing Industrial Positive Displacement Fluid Devices
Quick Answer: AW Company flow meters are positive displacement devices built for clean liquid batching and low flow measurement. For industrial buyers in Southeast Asia, Oceania, Latin America, Africa, and the Middle East, Silver Instruments offers oval gear flow meters with comparable accuracy and lower landed cost. Send us your flow range, pipe size, pressure, and temperature for a direct price comparison.
Positive displacement meters divide liquid into fixed volume segments. A sensor counts each rotation. This direct volume measurement works well for oils, fuels, solvents, adhesives, and food grade liquids. Viscosity between 5 and 5000 cP is typical for these devices.
AW Company Flow Meter Strengths and Sourcing Limits
AW Company flow meters are common in North American and European test stands. Many models use oval gear or similar rotors. They handle low flow rates in chemical injection, hydraulic oil monitoring, and fuel measurement. In other regions, AW Company units can be expensive. Lead times stretch. Local support is limited. Replacement parts can take weeks in Vietnam, Mexico, or Saudi Arabia.
Silver Oval Gear Flow Meter Alternative
Silver Automation Instruments supplies industrial positive displacement meters from China with global shipping. Our oval gear series covers DN4 to DN80. Body materials include aluminum, cast iron, and 316 stainless steel. Wetted parts include PPS, PTFE, or PEEK. Accuracy is typically +/- 0.5 percent of reading for medium viscosity oils. Repeatability is +/- 0.1 percent.
For a fuel oil batching skid in Australia, we supplied a DN25 oval gear meter with 4-20 mA HART output and 316L wetted parts. The customer measured diesel from 20 to 200 liters per hour. The unit was calibrated with diesel at 20 cP and shipped in 12 days. Total landed cost was 40 percent below the AW Company quote.
For a desalination plant in Oman, we supplied a positive displacement meter for antiscalant dosing. The liquid was 12 cP at 25 degrees Celsius. The meter used PTFE gears and had a local display plus pulse output. Flow range was 5 to 80 liters per hour.
How to Specify a PD Meter
Know your minimum and maximum flow rate in kg/h or liters per hour. Know the liquid viscosity in cP. Know the operating temperature in degrees Celsius. Know the pipe size in DN. Know the pressure in bar. Send these values to Silver Instruments. We will return a model recommendation and price comparison within one working day.
Do not order a PD meter without checking chemical compatibility. Some liquids attack aluminum bodies or PPS rotors. For aggressive fluids, choose 316L or PTFE wetted parts. For hazardous areas, ask for ATEX Zone 1 or Zone 2 certification.
Typical Applications
A paint manufacturer in Vietnam uses our oval gear meter to dose
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A juice processor in the Philippines meters flavoring concentrate at 200 cP with a food grade 316L oval gear meter. The meter has PTFE rotors and tri-clamp connections. It is cleaned in place with hot water.
Marine fuel consumption meters need to survive vibration and salt air. We supply compact PD meters with pulse output for engine monitoring. The housing is IP67. The electronics are isolated from the gear chamber. That design works for trawlers in New Zealand and crew boats in Nigeria.
FAQ
Q: Is a positive displacement meter better than a turbine meter for paint or resin?
A: In most cases yes. PD meters handle viscous liquids with less slip at low flow. Turbine meters lose accuracy when viscosity rises above 100 cP. For paint, resin, or glucose syrup, choose PD or Coriolis. PD is cheaper and easier to install.
Q: What flow range does a DN25 oval gear meter cover?
A: A typical DN25 oval gear meter covers 20 to 200 liters per hour for diesel. For higher viscosity fluids, the minimum flow can be lower. For low viscosity fluids, the maximum may be limited by pressure drop. Send us your liquid and we will confirm the exact range.
Q: Can Silver Instruments match AW Company meter accuracy for water-like liquids?
A: Accuracy for water-like liquids depends on clearance and rotor design. PD meters are not the first choice for water. We recommend electromagnetic or ultrasonic meters for clean water and wastewater. For water-like chemicals below 5 cP, a Coriolis mass flow meter gives better performance. Ask us for a side by side selection table.
Q: What is the typical lead time for a positive displacement meter to Darwin or Auckland?
A: Standard oval gear meters ship within 10 to 14 days. If you need ATEX or food grade certificates, add 5 days. We ship by DHL, FedEx, or sea freight. Smaller meters usually go by air. Larger DN50 and DN80 units ship by sea to reduce cost.
Q: How do I get a price comparison for an AW Company flow meter replacement?
A: Send us the AW Company model number, your flow range, liquid type, viscosity, pipe size, and required output. We will return a technical comparison and a landed price quote. Use the contact details below.
Contact Silver Automation Instruments
Tel: +86-135-1213-1526. Whatsapp: 86-135-12131526. WeChat: +86 13512131526.
Send us your pressure in bar, temperature in degrees Celsius, pipe size in DN, and flow range in kg/h or liters per hour. Tell us the liquid name and viscosity in cP. We will reply with a model recommendation, accuracy statement, and shipped price. We supply industrial positive displacement fluid devices to customers in Southeast Asia, Oceania, Latin America, Africa, and the Middle East.
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