Core structure design
Solenoid valve section
Valve body type:
Two-position tee (2/3) : Control single acting cylinder (single intake + exhaust).
Two-position five-way (2/5) : Control double acting cylinders (double intake + double exhaust).
Driving mode:
Direct action: small flow direct drive (fast response, suitable for high-frequency operation).
Pilot-operated: air pressure assisted switching (large flow, high pressure scenarios).
Special design:
Explosion-proof coils (ATEX certified) for flammable environments;
Low power consumption (0.5W~1W) to extend battery life;
Manual emergency button (can be forced to change the gas path in case of power failure).
Matching with the actuator
Interface standard: Meets ISO 15407 or NFPA specifications to ensure fast gas connection.
Flow matching: The valve CV value must meet the actuator speed requirements.
Selection and maintenance points
Key to selection
Actuator type: single acting (spring return required) or double acting (double gas path control);
Operating frequency: Select direct acting solenoid valve in high frequency scenes;
Environmental requirements: explosion-proof, anti-corrosion, temperature adaptability (-30℃~80℃);
Energy saving requirements: Low power consumption or pulse holding to reduce energy consumption.
Common faults and solutions
Coil burn: check voltage stability to avoid overload;
Spool stuck: regularly clean the air source (add filter), use dry air;
Air leakage: Replace the seal ring (NBR/FKM material), check the valve body wear.
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