Norgren 490100R Proportional Valve - ATEX Intrinsically Safe
Part Number: 490100R
Quick Summary
Norgren 490100R Proportional Valve is a reliable open-loop control solution for precise air-flow management in automated pneumatic systems. Engineers face harsh environments, fluctuating supply, and complex wiring that hinder consistent performance. With IP65 environmental protection and ATEX intrinsically safe certification, this valve remains dependable in hazardous zones while keeping installation simple. It pairs with standard 4-20 mA control loops and G1/4 ports, delivering predictable, scalable performance that reduces downtime and total cost of ownership for industrial lines.
Product Information
Extended Description
490100R Norgren: Reliable, rugged, open loop control | IP65 environment protection | ATEX intrinsically safe
Operating Temperature
-40 ... 85 °C, -40 ... 185 °F
Operating Pressure
0.2 ... 1 bar, 3 ... 15 psi
Port Size
G1/4
Control Signal
4-20 mA
Flow
300 l/m, 10.59 scfm
Materials - Body
Zinc
Certification - IP Rating
IP65
Range
100X
Series
Watson Smith
Brand
IMI Norgren
Open-loop proportional control with a 4-20 mA input translates to fast, predictable flow adjustment without feedback sensors. This reduces wiring and capital cost while delivering smooth, repeatable motion on packaging lines and material-handling conveyors. Rugged IP65-rated housing with a zinc body resists dust and wash-downs, lowering maintenance frequency and extending service life in harsh factories. G1/4 port size and a 0.2 to 1 bar operating range simplify integration with common manifolds and pneumatic circuits, accelerating installation and reducing leak risk. The valve handles up to 300 L/m (10.59 scfm) and operates from -40 to 85 C, ensuring reliability across diverse production environments. ATEX intrinsically safe rating enables use in hazardous areas, while compatibility with the Watson Smith series supports seamless upgrades within existing Norgren systems. The compact zinc body and standard 4-20 mA interface shorten commissioning times and reduce spare-part diversity, delivering lower total cost of ownership for industrial automation.
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FAQs
Plan for the G1/4 port size and standard mounting pattern, mount on a suitable manifold, and connect the 4-20 mA signal from a stable current loop. Ensure the air supply is clean and within 0.2 to 1 bar. The IP65 enclosure and intrinsic safety rating support hazardous-area installations, while the zinc body provides durability against dust and wash-downs.
The 4-20 mA input governs proportional valve travel, yielding a linear flow response without feedback sensors. A stable current loop ensures repeatable output across temperature and supply variations. Calibrate at your operating point to optimize accuracy and energy efficiency, and ensure compatible instrumentation and cabling for reliable operation.
Yes. The device is IP65-rated for dust and water protection and ATEX intrinsically safe, enabling use in hazardous zones per applicable directives. This makes it well-suited for chemical processing, paint booths, outdoor automation, and other harsh environments where safety and reliability are critical.
Ideal for open-loop pneumatic control in packaging lines, material handling, conveyors, and general automation. It integrates with existing Norgren platforms and standard 4-20 mA controls, enabling rapid deployment, minimal wiring changes, and scalable performance as lines expand.
The design minimizes electronics use and fault points, reducing maintenance needs. ROI improves through shorter commissioning times, longer service intervals, and predictable operation under varying loads, while avoiding the cost and complexity of closed-loop sensors and feedback systems.