FluidTech News

 Water Ring Vacuum Pump Scaling Causing High Power Consumption? 4 Ways to Remove and Prevent Scale Water ring vacuum pumps are widely used in chemical processing, pharmaceuticals, paper manufacturing, food processing, vacuum filtration, vacuum dewatering, and industrial gas-handling systems. After operating for a period of time, some users encounter a common problem: The motor current gradually increases, power consumption rises, while vacuum performance begins to decline. In more serious cases, the pump may also develop higher noise, vibration, overheating, or even difficulty starting. When the motor and bearings appear normal, one possible cause deserves particular attention: Scale buildup inside the water ring vacuum pump. This problem is especially common when hard water or untreated circulating water is used as the working liquid. So why does scaling increase pump power consumption, and how can it be removed and prevented? Why Does a Water Ring Vacuum Pump Develop Scale? A wat...

 Fluorine-Lined Chemical Pump vs. All-Titanium Pump: Which Offers Better Value for Highly Corrosive Service? In chemical processing, electroplating, acid pickling, pharmaceutical production, wastewater treatment, and other corrosive-fluid applications, pump material selection can directly affect equipment life, maintenance costs, leakage risk, and production reliability. For highly corrosive service, two solutions are often considered: fluorine-lined chemical pumps and all-titanium alloy pumps. At first glance, the comparison seems simple. Fluorine-lined pumps generally have a lower initial cost, while titanium pumps use a more expensive metallic material. But does a higher material cost automatically mean better corrosion resistance? No. The better choice depends on the chemical composition, concentration, temperature, pressure, solids content, operating conditions, and total lifecycle cost. Why Are Fluorine-Lined Pumps Commonly Used for Corrosive Chemicals? A fluorine-lined chemi...

 High-Viscosity Sludge Transfer: How to Reduce Stator Wear in Progressive Cavity Pumps Progressive cavity pumps, also known as single screw pumps, are widely used for high-viscosity sludge transfer, dewatered sludge handling, filter press feeding, concentrated sludge, and other difficult-to-pump fluids. Their main advantages include stable flow, relatively low pulsation, good suction capability, and the ability to handle viscous fluids that are difficult for conventional centrifugal pumps. However, one problem is frequently encountered in sludge applications: Why does the stator wear so quickly when pumping high-viscosity sludge? In many cases, the problem is not simply poor stator quality. Rapid stator wear is often caused by a combination of dry running, excessive pump speed, abrasive solids, high differential pressure, poor suction conditions, and incorrect stator material selection. Why Does High-Viscosity Sludge Cause Stator Wear? The pumping elements of a progressive cavity p...

 Pneumatic Diaphragm Pump Keeps Stopping? 3 Common Air Valve and Diaphragm Problems Pneumatic diaphragm pumps, also known as air-operated double diaphragm (AODD) pumps, are widely used in chemical processing, wastewater treatment, coatings, mining, food processing, and industrial fluid transfer. One of the most common operating problems is also one of the most confusing: The compressed air supply appears normal, but the pump suddenly stops. After restarting the air supply, the pump may run again for a while and then stop once more. When an AODD pump repeatedly stalls or stops, the air supply is not always the real cause. After checking external air pressure and air volume, three components deserve particular attention: the air valve, air valve seals, and diaphragms. 1. Air Valve Sticking or Failing to Shift The air distribution system is the heart of an AODD pump. Compressed air is alternately directed to the two air chambers, pushing the diaphragms back and forth. This continuous ...

 High-Precision Micro Dosing: How Digital Pulse Metering Pumps Work and How to Commission Them Accurate chemical dosing is essential in water treatment, chemical processing, laboratories, food production, pharmaceutical systems, and many automated industrial processes. When the required flow rate is very small, simply delivering liquid is not enough—the dosing system must also provide stable, repeatable, and adjustable output. A digital pulse metering pump is designed specifically for these applications. By combining precise diaphragm movement with electronic control, it can deliver small quantities of chemicals while allowing the dosing rate to be adjusted according to actual process requirements. How Does a Digital Pulse Metering Pump Work? Most digital pulse metering pumps use an electromagnetic or motor-driven mechanism to move a diaphragm inside the pump head. During the suction stroke, the diaphragm moves backward and creates negative pressure inside the pump chamber. The inl...

 Explosion-Proof Self-Priming Pumps for Flammable Liquids: What Should You Check Before Selection? Transferring gasoline, kerosene, solvents and other flammable liquids requires more than simply choosing a pump with the correct flow and head. In hazardous industrial environments, pump selection must consider explosion protection, suction conditions, sealing reliability, material compatibility and liquid volatility. For applications involving low-level tanks or frequent loading and unloading, an explosion-proof self-priming pump can be a practical solution. Why Use a Self-Priming Pump in Hazardous Areas? In many oil depots and chemical plants, the liquid level is below the pump installation position. A self-priming pump is designed to evacuate air from the suction line and establish liquid flow after the initial priming procedure. This makes it useful for applications such as: Fuel transfer Solvent handling Tank unloading Tank truck loading and unloading Chemical liquid transfer Low...