FluidTech News

 Double Diaphragm Pumps: Advantages and Selection Tips for Complex Applications In industries like chemical, pharmaceutical, and food processing, fluid transfer often involves handling corrosive liquids, high viscosity media, or fluids with suspended solids. In these applications, choosing the right pump is crucial to ensure safety, efficiency, and long-term performance. Double diaphragm pumps, with their unique design and performance characteristics, have become a preferred solution in many of these challenging conditions. Let’s explore the key advantages of double diaphragm pumps and how to select the right one for your specific application. 1. How Double Diaphragm Pumps Work A double diaphragm pump is a type of air-operated diaphragm pump that uses two diaphragms alternately to transfer fluids. This design, powered by compressed air, eliminates the need for mechanical seals, making the pump ideal for handling abrasive, corrosive, or high viscosity fluids without leakage. 2. Key ...

 Corrosion-Resistant Screw Pumps: Real-World Applications and Selection Tips In industrial fluid handling — especially in chemical processing, wastewater treatment, and pharmaceutical operations — corrosion-resistant screw pumps play a key role in ensuring smooth and reliable transfer of aggressive liquids. Corrosive media, high viscosity, and long runtime demands have made traditional pumps less suitable in many applications, and that’s where corrosion-resistant screw pumps demonstrate their strengths. However, choosing the right pump for your system is more than just picking corrosion-proof materials off the shelf. In practice, true long-term performance results from a mix of engineering insight, material compatibility, and operational discipline. Why Corrosion-Resistant Screw Pumps Are a Go-To Solution Screw pumps are a type of positive displacement pump well known for: Stable, low-pulsation flow ideal for viscous liquids Good handling of liquids with particles or entrained gas ...

 Which Chemical Pumps Are Suitable for Pharmaceutical Process Transfer? In pharmaceutical manufacturing, liquid transfer is not just a mechanical task — it directly affects product quality, process stability, and compliance. Choosing the right chemical pump is therefore a critical decision in any pharmaceutical process. 1. Key Requirements in Pharmaceutical Fluid Transfer Compared with general chemical applications, pharmaceutical processes place higher demands on pumps: Leak-free operation to avoid contamination Stable and controllable flow for precise dosing Compatibility with corrosive or sensitive media Ease of cleaning and maintenance Ignoring these factors often leads to operational instability, frequent shutdowns, or even product quality issues. 2. Common Pump Types Used in Pharmaceutical Processes Magnetic Drive Pumps Ideal for clean and corrosive liquids. Their seal-less design eliminates leakage risks and improves process safety. Diaphragm Pumps Widely used for dosing and...

How to Choose the Right Vacuum Pump for Your Laboratory In laboratories, vacuum pumping is a common operation for tasks like chemical analysis, sample drying, and gas separation. The performance of your vacuum pump directly influences the accuracy and reliability of your experiments. But how do you choose the right vacuum pump for your lab? 1. Common Types of Vacuum Pumps Rotary Vane Vacuum Pumps: These are commonly used in routine laboratory tasks. They offer stable performance and are ideal for medium vacuum applications. Diaphragm Vacuum Pumps: These are oil-free and perfect for applications where contamination must be avoided, such as high-purity gas extraction. Dry Vacuum Pumps: Suitable for handling corrosive or highly contaminated gases, these pumps provide stable performance and long-term reliability in demanding lab environments. 2. What to Consider When Choosing a Vacuum Pump Gas Type: If you are dealing with corrosive or contaminant-sensitive gases, consider dry vacuum pumps...

Why Explosion-Proof Centrifugal Pumps Matter in Petrochemical Plants In petrochemical plants, the equipment chosen to handle fluid transfer is never just about performance—safety is always top priority. When dealing with flammable, volatile, or combustible liquids, traditional pumps can pose a risk unless they are designed specifically to operate safely in hazardous environments. This is where explosion-proof centrifugal pumps become essential. They are engineered to deliver reliable fluid handling while minimizing the risk of ignition in explosive atmospheres. For detailed models and specifications of explosion-proof centrifugal pumps suitable for industrial applications, visit: 👉 https://www.scpv.cn/pumps/YG.html What Makes Explosion-Proof Pumps Critical in Petrochemical Operations? In petrochemical plants, fluids such as crude oil, refined fuels, solvents, or chemical intermediates often generate vapor that can ignite if exposed to heat, sparks, or electrical discharge. In these se...

 Why Pipeline Sewage Pumps Are a Smart Choice for Wastewater Systems In modern wastewater management and industrial fluid handling, selecting the right pump is critical—not just for performance, but for long-term reliability and ease of maintenance. Among the many options available, pipeline sewage pumps have emerged as a practical solution in many applications where space, accessibility, and operational continuity matter most. At Shanghai Cheng Pump & Valve, we’ve seen pipeline sewage pumps effectively deployed across municipal sewage networks, building drainage systems, and industrial effluent pipelines. Their unique advantages make them a compelling option when typical submersible units may fall short. What is a Pipeline Sewage Pump? A pipeline sewage pump is designed to be installed directly within a pipeline system. Unlike submersible sewage pumps, it operates in a dry environment and connects in-line with the sewage network. This arrangement simplifies the system layout a...