Product Description:
The NORGREN 18D Series (Model 0880 / 0881) is an electro-mechanical pneumatic pressure switch designed for industrial automation applications. This diaphragm-actuated pressure monitor is widely used for pressure alarms, interlocks, and loop control within various industrial processes. Manufactured by IMI NORGREN, this series supports a pressure range from vacuum levels up to 30 bar.
The 18D Series offers multiple port options including G1/4, 1/4 NPT, and flange mounting to suit different installation requirements. Customers can choose between two electrical connection styles: DIN EN 175301-803 Form-A and M12×1 IEC 947-5-2. Additionally, LABS-free models and special brass-bodied variants are available, particularly suited for water service, making these pressure switches compatible with neutral gases, liquids, and water-based media.
Featuring a gold-plated contact microswitch that is UL and CSA certified, the NORGREN 18D Series ensures intrinsically safe operation and can withstand vibrations up to 15 g. It boasts a mechanical service life of up to 10 7 switching cycles, maintaining excellent repeatability throughout its lifespan. The standard housing is made from aluminum alloy, while the water-application versions are housed in brass.
Seal options include NBR and FPM materials to provide reliable sealing performance. The product achieves a maximum ingress protection rating of IP67, making it well-suited for demanding industrial environments. When the system pressure reaches the preset point, the SPDT micro-switch outputs an electrical signal that can be used for machine interlocks, alarms, or on-off controls in pneumatic machinery, hydraulic systems, and water treatment equipment.
Note: It is recommended that set-points reside preferably within the middle of the pressure range. The rated pressure indicated on the nameplate must not be exceeded. Inductive loads require protection circuits to suppress sparks. Connectors are sold separately; DIN or M12 plugs are not included with the product.
Features:
Authentic NORGREN IMI Quality
Experience the complete 18D‑0880 product range, offering various pressure ranges and multiple port options to suit diverse application needs. This reliable series is known for its exceptional performance and durability.
Robust and Precise Operation
The diaphragm-operated unit functions efficiently within an operating pressure range of ‑1 to 30 bar (‑14 to 435 psi), withstanding a maximum over-pressure of up to 80 bar. It features a gold-plated contact micro-switch that holds UL and CSA approvals, ensuring a mechanical lifespan of 10⁷ switching cycles for long-term reliability.
Durability and Safety Features
Designed for high vibration resistance, the device can endure forces up to 15 g and supports intrinsically safe operation. Its ingress protection levels include IP65 for DIN connectors and IP67 for M12×1 connections, providing robust protection against dust and water.
Versatile Media Compatibility
The product is compatible with neutral, non-flammable gases and liquids. A dedicated brass body version is available specifically for water service applications. It can handle media with viscosities up to 1000 mm²/s, making it suitable for a wide range of industrial fluids.
Flexible Electrical and Mechanical Features
This switch offers an SPDT output with fixed hysteresis and supports mounting in any position without restrictions. Users can select between NBR and FPM seal materials, with LABS-free versions also available to cover the full vacuum range.
Two electrical interface options are provided: the DIN EN175301‑803 Form‑A and the M12×1 IEC947‑5‑2, ensuring compatibility with various system requirements.
Technical Parameters:
| Brand |
IMI NORGREN |
| Series |
18D Series, 0880 / 0881 Model Family |
| Actuation |
Diaphragm Type |
| Ingress Rating |
IP65 (DIN) |
| Operating Pressure |
-1 … 30 Bar (-14 … 435 Psi) |
| Port Size |
G1/4, 1/4 NPT, Flange Mounting |
Applications:
Our solutions include pressure monitoring and alarm systems designed specifically for industrial pneumatic automation applications. These systems ensure reliable pressure detection to maintain optimal operation and safety standards.
We provide interlock protection for compressors and vacuum pumps, enhancing the safety and efficiency of your equipment by preventing operation under unsafe pressure conditions.
Our products also support pressure signal feedback for hydraulic fluid power systems, enabling precise control and monitoring to improve performance and reduce downtime.
For water-treatment and water-supply equipment, we offer brass water-service variants that are tailored to withstand the specific demands of these applications, ensuring long-lasting and reliable pressure measurement.
Additionally, we supply pressure detection solutions for packaging machinery, machine tools, and conveyor equipment, helping to maintain smooth operation and prevent pressure-related faults.
Our systems also feature over-pressure alarm functions and machine start-stop control capabilities for industrial fluid pipelines, providing critical safety measures to protect both machinery and personnel.
Finally, we offer general-purpose vacuum monitoring and control solutions suitable for a wide range of machinery, delivering versatile and dependable performance across various industrial settings.
Support and Services:
Norgren offers comprehensive Product Technical Support and Services for its Solenoid Valve range to ensure optimal performance and customer satisfaction. Our expert technical team is available to provide assistance with product selection, installation guidance, troubleshooting, and maintenance advice.
We provide detailed product documentation, including datasheets, user manuals, and installation guides to help customers understand the specifications and proper usage of our solenoid valves. Additionally, Norgren supports custom solutions to meet specific application requirements.
For maintenance and repair, we offer service kits and replacement parts to extend the life of your solenoid valves, along with recommendations on regular inspection and servicing schedules.
Norgren is committed to delivering reliable and efficient pneumatic solutions, backed by responsive technical support to help you maximize the performance and longevity of your solenoid valve products.
Packing and Shipping:
The Norgren Solenoid Valve is carefully packaged to ensure it reaches you in perfect condition. Each valve is securely placed in a custom-fitted foam insert within a sturdy cardboard box to prevent any movement or damage during transit.
All packaging materials are chosen to provide maximum protection against moisture, dust, and impact. The product is labeled clearly with handling instructions and product specifications for easy identification.
For shipping, Norgren Solenoid Valves are dispatched using reliable carriers with tracking options to guarantee timely and safe delivery. International shipments comply with all relevant regulations to ensure smooth customs clearance.
We recommend inspecting the package upon arrival and reporting any damage immediately to facilitate replacement or support.
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