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This particular solenoid valve is new, open box, and never used but has 2 small cosmetic blemishes you can view in photos.
The MAC Valves 58 Series 58C-12-111AA is a large, 3-way/2-position inline pilot-operated balanced spool pneumatic directional control valve.
Technical Specifications:
Series: MAC 58 Series.
Valve Type: 3-Way, Normally Closed (NC) pilot and spool.
Operation: Single solenoid pilot-operated (internal pilot air) with mechanical/air spring reset.
Port Size: 1-1/4" NPTF threaded female ports.
Pressure Range: 25 to 150 PSI (operating pressure).
Flow Capacity (Cv): Up to ~23–26 max.
CvVoltage: Typically dual-rated or multi-voltage compatible (commonly 110-120 VAC 50/60Hz / 24 VDC).
Electrical Connection: Wiring box with 1/2" NPS conduit entry.
Manual Operator: Non-locking recessed manual operator.
Electrical Connection: Wiring chamber with 1/2" NPS conduit entry.
Compatible with 110/120 VAC (50/60 Hz) or 24 VDC systems (15W power consumption).
Key Features:
Balanced Spool Design: Makes the valve immune to variations in inlet pressure and unaffected by back pressure in the exhaust.
Built-in Accumulator: Features a checked accumulator supplying the pilot and return mechanism for consistent shifting.
Versatility: Can be converted between normally closed and normally open functions (via rotating a function plate) or changed to a remote air-operated configuration.
High Flow Capacity: Large Cv output designed for heavy-duty pneumatic control applications.
