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Blue White Flow Meter Manual: Sourcing Technical Visual Acrylic Tube Calibration
Quick Answer: A Blue White flow meter manual helps you confirm wetted materials, max pressure, temperature limits, and float calibration for visual acrylic tube meters. Silver Instruments supplies replacement visual acrylic tube meters with calibration data for DN10 to DN50 lines. Send your flow range in L/h, media, temperature in °C, and pipe size in DN for a model match.
Sourcing a Visual Acrylic Tube Flow Meter Without Supply Chain Mistakes
Buyers in Southeast Asia, Oceania, Latin America, Africa, and the Middle East often search for a Blue White flow meter manual because an existing meter is cracked, faded, or out of tolerance. The manual answers two practical questions. First, what is the meter body material and connection size? Second, how do you calibrate the float reading for a new operating condition?
Here is the thing. Most engineers skip the wetted material check. For sodium hypochlorite, wastewater, or seawater, acrylic is acceptable within a limited temperature and pressure window. We recommend DN15 or DN25 acrylic tube meters for clean liquids below 65 °C and below 10 bar. If the fluid is aggressive or above these limits, a metal tube rotameter or electromagnetic flow meter is safer.
In practice a paint manufacturer in Indonesia sent us a photo of a cracked Blue White style tube. The failure was not a material defect. It was UV exposure plus a solvent based cleaning agent. We supplied a DN15 acrylic tube flow meter with EPDM seals and a new calibration chart. The replacement cost was lower than repairing the old meter body.
What the Manual Should Tell You About Calibration
A proper variable area flow meter manual includes a calibration table for water at 20 °C. The float position is only valid for that reference fluid and temperature. If you measure diesel, caustic soda, or a water glycol mix, you have to correct for density and viscosity. The standard Silver Instruments calibration uses water at 20 °C. For viscous liquids above 10 cP we test at the operating flow range and issue a correction table.
Calibration steps for a visual acrylic tube flow meter are simple. First mount the meter vertically on a vibration free pipe section. Second set the inlet pressure at a stable value. Third run the process liquid at three flow rates. Fourth compare the float reading to a reference flow meter. If the reading is outside ±4 percent of full scale, inspect the float for wear or build up.
Most engineers skip the vertical alignment check. A tilted acrylic tube changes the float travel and creates a repeatable error. We have seen this on customer sites in Vietnam and the Philippines many times. A 5 degree tilt on a DN25 visual flow meter can shift the reading by more than 10 percent.
For ultrapure water with conductivity below 5 µS/cm, a visual acrylic tube meter is not the best choice. We normally quote an
Silver Instruments Replacement and Technical Data
Silver Automation Instruments supplies visual acrylic tube flow meters as direct replacements for common Blue White style units. Standard sizes are DN10, DN15, DN25, DN40, and DN50. Connections can be BSP, NPT, or flanged. Standard accuracy is ±4 percent of full scale. We can add a 4-20 mA output or a limit switch if your panel needs signal feedback. For hazardous areas we can quote ATEX Zone 1 compliant options on request.
Last year a water treatment contractor in the Philippines needed 25 visual acrylic tube meters for polymer dosing skids. He sent us a copy of the old manual pages and asked for a one to one replacement. We matched the pipe size, end connections, O ring material, and flow range. The order shipped in 11 days with calibration certificates in English.
Because many customers ask about manual availability, we keep PDF files for our variable area flow meter series. Ask us for the manual excerpt before you place the order. We will send the dimensional drawing, wetted parts list, and calibration note. You can reach us on WhatsApp at 86-135-12131526 if you want to send photos of the old meter.
FAQ
What does a Blue White flow meter manual specify for calibration?
It usually provides a water calibration table at 20 °C. You must correct the reading if your fluid density, viscosity, or operating temperature differs.
Can Silver Instruments replace a Blue White acrylic tube flow meter?
Yes. Send us the old model code, tube length, connection size in DN or inches, and the flow range. We will propose a drop in replacement with the same connection geometry.
What details should I send for a visual acrylic tube flow meter quote?
Send the fluid name, flow range in L/h or m3/h, pipe size in DN, pressure in bar, temperature in °C, and connection type. We will reply with a model number, lead time, and price in USD.
Do you have calibration certificates for export orders?
Yes. We include a water calibration certificate with each batch. Third party calibration is available for ISO 9001 documentation.
What is the typical lead time for acrylic tube flow meters?
For standard DN15 and DN25 meters the lead time is 7 to 12 days. Larger sizes or special O ring materials may take 15 to 20 days.
Contact Silver Automation Instruments
Send your process data for a fixed price quote. State the fluid, flow range in L/h, pressure in bar, temperature in °C, and pipe size in DN. We will match a visual acrylic tube flow meter or recommend a better technology for the application.
Phone: +86-135-1213-1526
WhatsApp: 86-135-12131526
WeChat: +86 13512131526
Silver Automation Instruments serves industrial buyers in Southeast Asia, Oceania, Latin America, Africa, and the Middle East.
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