Overview
The Numatics ASCO 226-749B solenoid air valve is a direct-acting 2-way, normally closed miniature solenoid valve designed for pneumatic applications requiring reliable fluid or gas control. The L11BA452B000061 assembly incorporates a single solenoid pilot, spring return mechanism, and flush locking override for manual actuation. This valve is ideal for dental equipment, analytical instruments, respiratory devices, and general pneumatic automation tasks where compact form factor and low power consumption are essential.
Key Features
- Direct-acting design with low coil power (0.15 A at 24 VDC) reduces system heat and power consumption
- 2-way, normally closed configuration with spring return provides fail-safe operation
- Single solenoid pilot with flush locking override enables manual actuation
- Rotatable coil and multiple connection options simplify installation and serviceability
- Suitable for both liquids and gases across broad industrial and analytical applications
- RoHS compliant and meets relevant CE directives
Technical Specifications
Key operating parameters for the L11BA452B000061 assembly and 226-749B solenoid coil:
Typical Applications
- Dental equipment fluid control and activation
- Gas chromatography and analytical instrument automation
- Industrial process analyzers
- Respiratory and medical device actuation
- Portable and hand-held field equipment pneumatic control
- OEM instrument panel integration
Compatibility & Replacements
Compatible With
- Pneumatic systems operating at 14.5–145 PSIG (1–10 bar)
- 24 VDC control circuits and PLC outputs
- 1/8″ NPTF threaded pneumatic ports
- DIN plug-in coil receptacles
- Both gaseous and liquid media applications
Replaces / Drop-In Replacement For
- Earlier versions of the L11 Series solenoid valve assemblies with 226-749B coil
- Similar ASCO miniature 2-way solenoid valve configurations in direct-acting applications
- Verify exact valve body model (L11BA, L11BB, L12BA variants) with your system integrator to confirm mechanical fit and port threading
Works With
- Standard pneumatic manifold blocks and cavity mounts
- Line-mounted valve installations
- Industrial control systems using 24 VDC logic
- Proportional control systems (Series 226 proportional variants available)
- Both AC and DC power supplies with appropriate coil voltage ratings
