A Guide to NAMUR Standard Solenoid Valves for Process AutomationSelect NAMUR solenoid valves by VDI/VDE 3845 interface, 3/2 or 5/2 function, flow, fail state, coil, Ex approval, and actuator compatibility during replacement.→Blog Author
Eric Zhou
Hello, I'm Eric, a Bepto Pneumatic control systems engineer. I help connect valve, FRL, CAD, and machine-control requirements with practical pneumatic component choices.
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Articles by Eric Zhou
164 articles sorted newest first for readers who want one author's pneumatic selection notes in one place.
The Engineer’s Guide to Pneumatic Flow Control Valve SizingSize pneumatic flow control valves with Parker's Cv 1.06 example, cylinder stroke-time demand, pressure drop, tubing, exhaust paths, and commissioning checks.→
Selecting the Right Manual & Mechanical Valves for Your Pneumatic CircuitSelect manual and mechanical pneumatic valves by function, return state, Cv, pressure, and safety needs, using catalog data from 0.17 to 0.83 Cv for safe use.→
Understanding Proportional Pressure Regulators in Pneumatic SystemsSpecify proportional pressure regulators by pressure range, flow, exhaust capacity, signal, feedback, downstream volume, force, and response testing.→
The Role of Pneumatic Logic Valves in Control System DesignDesign pneumatic logic valve circuits with Festo 1-10 bar data, truth tables, ISO 4414 fault states, hazardous-area limits, and safe commissioning checks.→
Optimizing Pneumatic Valve Placement for System EfficiencyOptimize pneumatic valve placement using CAGI's 10% pressure-drop limit, tube-volume checks, exhaust analysis, zoning, maintenance access, and measured tests.→
A Guide to Pneumatic Check Valves and Their Critical FunctionsSelect pneumatic check valves using cracking pressure, forward flow, reverse leakage, pilot ratio, installation, testing, and machine safety requirements.→
A Comparison of Spool vs. Poppet Valve Designs for Industrial UseCompare spool and poppet valves by leakage, crossover, flow and pressure. Parker recommends a poppet when leakage below 5 drops/min is required in service.→
The Importance of Valve Flow (Cv) in System PerformanceDiagnose valve Cv bottlenecks with Parker’s Cv 1.06 example, ISO 6358 flow data, dynamic pressure checks, and a cycle-time acceptance worksheet.→