Valve Position Monitor (APL-210N) - IP67 Limit Switch Box | DELCO
The DELCO APL-210N Limit Switch Box is a rugged rotary position monitor designed to provide reliable visual and electrical feedback for automated valves. Featuring a durable Die-Cast Aluminum housing with IP67 weatherproofing, it withstands harsh industrial environments. Equipped with a high-visibility 3D Dome Indicator and standard 2 x SPDT mechanical switches, this unit mounts directly to pneumatic actuators via NAMUR ISO standards, ensuring seamless integration for quarter-turn applications.
Features
Designed for reliability and ease of use, the APL-210N combines clear visual indication with robust signal feedback for process automation:
✅High-Visibility 3D Position Indicator
The prominent dome indicator offers clear, long-distance visual confirmation of valve position (Open/Yellow, Closed/Red or Black). It connects directly to the drive shaft, providing real-time status without the need for electronic power.
✅IP67 Rugged Aluminum Enclosure
Built with a precision die-cast aluminum alloy shell and powder-coated finish, the housing provides exceptional corrosion resistance and durability. Rated IP67 (NEMA 4X), it is fully dust-tight and protected against temporary immersion in water, suitable for outdoor installation.
✅Quick-Set Cam & Reliable Switching
Internally equipped with 2 x SPDT Mechanical Switches (Standard) compatible with AC/DC circuits. The "Quick-Set" splined cams allow for fast, tool-free adjustment of the switch activation points, simplifying commissioning and maintenance.
✅Universal NAMUR Mounting
The stainless steel drive shaft and mounting bracket fully comply with NAMUR standards (VDI/VDE 3845). This ensures direct, hassle-free mounting onto standard pneumatic actuators (ISO 5211) without requiring special adapters.
✅Dual Cable Entries for Easy Wiring
Designed with 2 x 1/2" NPT conduit entries (standard) or optional M20 adapters. The internal 8-point terminal strip is angled for easy access, ensuring secure and organized field wiring connections.
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Key Application Fields
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Oil & Gas
DELCO API-certified valves ensuring safety and reliability in demanding high-pressure pipelines. -
Chemical & Petrochemical
DELCO corrosion-resistant solutions tailored for handling aggressive acids and hazardous fluids safely. -
Power Generation
DELCO solutions efficiently withstand extreme high-temperature and high-pressure steam cycles in power plants. -
Food & Pharmaceutical
DELCO sanitary valves with FDA-compliant, crevice-free designs to ensure absolute product purity. -
Water & Wastewater
Durable municipal solutions by DELCO, designed for zero leakage and long-term sustainability. -
HVAC & District Heating
DELCO valves ensure precise flow regulation to optimize energy efficiency in modern buildings.
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