Product Description:
The NORGREN 18D Series (Model 0880 / 0881) electro-mechanical pneumatic pressure switch represents a reliable diaphragm-actuated pressure monitoring solution for industrial automation applications. It is widely used for pressure alarms, interlocking mechanisms, and loop control systems. Manufactured by IMI NORGREN, this series supports a wide range of operating pressures, from vacuum conditions up to 30 bar.
This pressure switch offers multiple port configurations, including G1/4, 1/4 NPT, and flange mounting options, catering to diverse installation requirements. Users can choose between two electrical connection types: the DIN EN 175301-803 Form-A and the M12×1 IEC 947-5-2. Additionally, the series includes LABS-free variants and brass-bodied versions designed specifically for water service environments, thus accommodating neutral gases, liquids, and water media with ease.
Equipped with a gold-plated contact microswitch, certified by UL and CSA, the device ensures intrinsically safe operation while enduring vibrations up to 15 g. It boasts an impressive mechanical lifespan, capable of performing up to 10 7 switching cycles with excellent repeatability. The standard housing is made of aluminum alloy, while brass housings are available for models tailored to water applications. Seal options include NBR and FPM materials, providing robust protection.
The switch achieves a maximum ingress protection rating of IP67, making it suitable for harsh industrial environments. Upon reaching the preset system pressure, the SPDT micro-switch produces an electrical output signal that can be used for machine interlocking, alarms, and on-off control functions in pneumatic machines, hydraulic circuits, and water treatment equipment.
Note: It is recommended that set-points be selected near the middle of the pressure range. Avoid exceeding the rated pressure indicated on the nameplate. Inductive loads should be equipped with spark-quenching protection circuits. Connectors must be purchased separately, as DIN or M12 plugs are not included.
Features:
Experience the genuine quality of NORGREN IMI with the complete 18D‑0880 series, offering a wide variety of pressure ranges and port options to suit your specific requirements.
This diaphragm-operated valve supports an operating pressure from ‑1 to 30 bar (‑14 to 435 psi) and can withstand a maximum over-pressure of 80 bar, ensuring reliable performance under demanding conditions.
Equipped with a gold-plated contact micro-switch, the device is approved by UL and CSA, boasting an impressive mechanical lifespan of up to 10 7 switching cycles for long-term durability.
The design incorporates high vibration resistance up to 15 g and is suitable for intrinsically safe operation, making it ideal for use in challenging environments.
Regarding ingress protection, the product features IP65 rating with the DIN connector and IP67 rating with the M12×1 connection, ensuring robust protection against dust and water.
The materials are compatible with neutral, non-flammable gases and liquids. A dedicated brass body version is available specifically for water service. It supports media with viscosity up to 1000 mm²/s.
The switch output is SPDT with a fixed hysteresis, and the device allows for mounting in any orientation without restrictions.
Seal materials include NBR and FPM options, with LABS-free versions also available to cover the full vacuum range.
Two types of electrical interfaces are offered: DIN EN175301‑803 Form‑A and M12×1 IEC947‑5‑2, providing flexible connectivity options for various applications.
Technical Parameters:
| Brand | IMI NORGREN |
| Series | 18D Series, 0880 / 0881 Model Family |
| Port Size | G1/4, 1/4 NPT, Flange Mounting |
| Actuation | Diaphragm Type |
| Operating Pressure | ‑1 …30 Bar (‑14 …435 Psi) |
| Ingress Rating | IP65 (DIN) |
Applications:
Pressure monitoring and alarm systems play a crucial role in industrial pneumatic automation. These systems ensure that pressure levels are continuously tracked, alerting operators when abnormal conditions arise to maintain safe and efficient operation.
Interlock protection mechanisms are essential for compressors and vacuum pumps. By integrating pressure-based safeguards, these devices prevent operational failures and maintain system integrity through automatic shutdowns or alerts when pressure deviates from set thresholds.
In hydraulic fluid power systems, pressure signal feedback is vital for precise control and performance optimization. By providing real-time data on system pressure, operators can enhance responsiveness and ensure reliable function of hydraulic machinery.
Water-treatment and water-supply equipment frequently utilize specialized pressure monitoring devices, including brass variants suited for water-service applications. These components help safeguard against pressure-related issues, ensuring consistent water quality and supply.
Pressure detection is also widely applied in packaging machinery, machine tools, and conveyor equipment. Monitoring pressure in these systems helps maintain operational efficiency, prevent damage, and support automated process control.
Over-pressure alarms, combined with machine start-stop control, are critical for managing industrial fluid pipelines. These systems protect infrastructure by triggering alerts and controlling machinery to avoid pressure-related hazards.
Lastly, vacuum monitoring and control are general-purpose functions applicable across various machinery. By overseeing vacuum levels, these systems assist in maintaining process stability and avoiding equipment malfunctions.
Support and Services:
Norgren solenoid valves are designed to provide reliable and efficient control of fluid and gas flow in a wide range of industrial applications. Our technical support team is dedicated to assisting customers with product selection, installation guidance, troubleshooting, and maintenance advice to ensure optimal performance of your solenoid valve.
We offer comprehensive services including product documentation, CAD drawings, and application support to help you integrate our solenoid valves seamlessly into your systems. Our experts are available to address any technical inquiries and provide solutions tailored to your specific requirements.
Regular maintenance and proper handling are essential to maximize the lifespan and functionality of Norgren solenoid valves. We recommend following the installation and operating instructions provided in the product manual and consulting our support team for any complex application needs or repair services.
For detailed product information, troubleshooting tips, and service resources, please refer to the Norgren website or product catalog. Our commitment is to deliver high-quality products backed by dependable technical support to ensure your operational success.
Packing and Shipping:
The Norgren Solenoid Valve is carefully packaged to ensure it arrives in perfect condition. Each valve is securely placed in a custom-fitted protective casing to prevent damage during transit. The packaging includes anti-static materials and cushioning to safeguard the electronic components and delicate parts.
For shipping, the product is boxed in a sturdy, corrugated cardboard container with clear labeling indicating the contents and handling instructions. We use reliable courier services to provide timely and safe delivery worldwide. Tracking information is provided to customers for full shipment visibility.
Special care is taken for international shipments to comply with all customs and import regulations, ensuring hassle-free delivery. Our commitment is to deliver the Norgren Solenoid Valve promptly and securely, maintaining the highest standards of quality throughout the packaging and shipping process.
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