Norgren 4381-700 Pressure Regulators - Excelon Series
Part Number: 4381-700
Quick Summary
Norgren 4381-700 pressure regulators deliver precise, stable air pressure for pneumatic automation in demanding manufacturing lines. Operators often contend with pressure pulses, drift, and actuator stalling that disrupt cycle times and increase wear. Designed to align with CE-compliant practices and IP-rated enclosures, the Excelon-based regulator offers reliable performance in harsh environments and when integrated with safety interlocks in SIL-capable control schemes. By delivering consistent regulation at the point of use, it reduces setup time, lowers energy consumption, and simplifies maintenance planning. For engineers upgrading legacy systems, this solution provides a straightforward path to better process stability and extended equipment life while maintaining compatibility with existing Norgren fittings and manifolds.
Product Information
Series
Excelon
Brand
IMI Norgren
Feature: Precise adjustable regulation with reliable setpoint tracking. Business Impact: Improves process stability, reduces cycle variability, and minimizes actuator wear in high-cycle pneumatic systems. Application: Automated assembly lines and packaging equipment benefit from consistent downstream pressure and faster return to setpoint after transient events. Feature: Compact, modular design for easy panel mounting. Business Impact: Saves enclosure space, simplifies retrofits, and speeds installation in crowded control panels. Application: Retrofit projects and new line builds where footprint matters, including machine tools and robotics cells. Feature: Robust, IP-rated enclosure and durable materials. Business Impact: Extends service intervals in dirty or washdown environments, lowering maintenance cost and downtime. Application: Food & beverage processing, automotive packaging, and harsh industrial settings. Feature: Quick-setpoint tuning with low drift across temperature changes. Business Impact: Delivers predictable performance, reduces scrap, and improves batch quality. Application: Temperature-variable environments and high-precision pick-and-place operations. Feature: Compatibility with Norgren fittings and manifolds for fast integration. Business Impact: Reduces installation risk, minimizes leak points, and enables streamlined upgrades. Application: Panel extensions, manifold assemblies, and panel-to-tool integrations in existing lines.
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FAQs
To ensure reliable installation, use the standard port sizes and mounting pattern of the 4381-700, confirm panel cutouts match the regulator's footprint, and maintain clean, dry air upstream. Use preassembled manifolds when possible, and follow Norgren's recommended torque on mounting screws to avoid leaks. Include proper sealants and verify leak test with a calibrated regulator test bench after installation.
The adjustable setpoint lets operators dial in the exact downstream pressure, compensating for line losses and velocity changes that occur at high speeds. When set correctly, actuator response becomes consistent, reducing part misfeeds and scrap. In practice, teams calibrate during line changeovers and use feedback from PLC loops to maintain tight tolerances across shifts.
Yes. The 4381-700 is designed to align with standard Norgren porting and mounting patterns, enabling straightforward installation on existing manifolds and panel assemblies. This compatibility minimizes rework, reduces downtime during upgrades, and allows technicians to leverage current fittings and tube connections for reliable, leak-free performance.
In regulated industries, select configurations of the 4381-700 that align with CE compliance and IP-rated enclosures to meet institutional standards. When used in SIL safety-related control schemes, ensure the regulator is integrated with certified safety components and follows your plant’s risk assessment and validation procedures to maintain compliant operation.
Upgrading to the 4381-700 Excelon regulator typically yields faster cycle times due to tighter pressure control, reduced waste from more stable actuation, and lower energy use from minimized leakage and regulator droop. Combined with easier installation and longer maintenance intervals, the total cost of ownership improves through higher line uptime and predictable performance across shifts.