The Function of Two-Pressure Valves (AND Logic) in Pneumatic CircuitsLearn how a two-pressure valve performs pneumatic AND logic across 4 input states, handles unequal pressures, and differs from a safety-rated two-hand control.→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.
How to Build a Pneumatic Latching Circuit Using Logic ValvesBuild a pneumatic latching circuit with a double-piloted 5/2 valve, SET/RESET signals, conflict handling, startup checks, and clear safety limits.→
A Technical Guide to Pneumatic Shuttle Valves (OR Logic)Select pneumatic shuttle valves using verified OR logic, pressure differential, ISO 6358 flow data, safety limits, installation checks, and RFQ criteria.→
The Technical Design of a Pneumatic Oscillator CircuitDesign a pneumatic oscillator circuit with 7 checks covering state logic, valve memory, timing, flow, safe stopping, air loss, and predictable restart.→
How to Use a Quick Exhaust Valve to Create a Differential Speed CircuitLearn how a 3-port quick exhaust valve creates one fast cylinder stroke, where to install it, how to size exhaust flow, and how to verify safe operation.→
A Guide to Cascade Circuit Design Using Pneumatic ValvesDesign a pure-pneumatic cascade circuit with a six-motion, three-group example, valve logic, conflict checks, commissioning steps, and safe reset rules.→
How to Prevent Opposing Signals in a Pneumatic Logic CircuitPrevent opposing pneumatic signals with mutual-exclusion logic, cascade groups, pilot-pressure checks, and a 4-state test for directional valve control.→
A Technical Guide to Pneumatic Memory Valves and Their FunctionLearn how 5/2 pneumatic memory valves retain spool state, why pressure and cylinder position may still change, and how to select and test them safely.→
The Role of Check Valves in Preventing Backflow in Complex CircuitsPrevent pneumatic backflow with 7 circuit checks covering valve direction, cracking pressure, flow loss, reverse leakage, pilot release, and stored energy.→