Overview
The MAC 56C-77-871BA is a 3-way solenoid pilot-operated pneumatic valve from the proven MAC 56 Series. This balanced spool valve features solenoid pilot actuation and is designed for industrial pneumatic control applications. The 56 series delivers high reliability with a compact footprint suitable for space-constrained installations.
Key Features
- Balanced spool design minimizes sensitivity to back-pressure variations
- Solenoid pilot actuation for precise, responsive control
- Convertible function: rotate internal plate to switch between Normally Closed (NC) and Normally Open (NO) operation
- Patented MACSOLENOID® technology provides non-burn-out performance on AC service
- Can be converted to remote air-operated by removing solenoid pilot assembly
- Compact individual mounting configuration
Technical Specifications
- Valve Series: MAC 56
- Part Number: 56C-77-871BA
- Configuration: 3-way solenoid pilot-operated
- Operating Principle: Balanced spool with direct-operated pilot
- Standard Function: Normally Closed (NC) / Normally Open (NO) convertible
- Mounting: Individual inline
- Pilot Type: Solenoid pilot with small balanced poppet
- Connector Type: DIN 43650 rectangular plug-in
- Vacuum Convertible: Yes, with appropriate modifications
Typical Applications
- Pneumatic actuator control in manufacturing automation
- Industrial machine tool systems
- Compressor and pump control circuits
- Pneumatic logic and sequencing systems
- Process control and test stations
- Robotic and material handling equipment
Compatibility & Replacements
Compatible With
- Standard pneumatic systems (ISO 1 and ISO 2 compliant)
- 24 VDC solenoid pilot supply
- External pilot air supply configurations
- Manual override operators (standard on series)
- DIN 43650 rectangular connectors
Replaces / Drop-In Replacement For
- Other MAC 56 series models with matching port size and thread type
- Verify exact model compatibility with your system integrator before ordering
Works With
- Standard industrial pneumatic control systems
- PLC and motion control interfaces
- Manual pressure regulators
- Pneumatic circuit logic modules
- Vacuum applications (with conversion kit)
