Technical datasheet for Norgren 18D electro-mechanical pneumatic pressure switches, covering features, specifications, and accessories.
This document provides technical specifications and data for the Norgren 18D series of electro-mechanical pneumatic pressure switches. It details the device's operating parameters, including a pressure range of -1 to 30 bar, port sizes such as G1/4 and 1/4 NPT, and various electrical connection options like DIN EN 175301-803 form A and M12 x 1 connectors. The switches feature a diaphragm operation, a microswitch with gold-plated contacts, and are designed for neutral, gaseous, and non-combustible liquid fluids.
| Operating pressure | -1 ... 30 bar (-14 ... 435 psi) |
|---|---|
| Maximum over pressure | 80 bar (1160 psi) |
| Repeatability | ±3% for vacuum; ±4% of final value |
| Switching cycles | 100 1/min |
| Life cycle of mechanical parts | 10 7 switching cycles |
| Degree of protection | IP65 for DIN EN 175301-803 form A connection |
| Ambient/Media temperature (NBR) | -10 ... +85°C (14 ... +185°F) |
| Ambient/Media temperature (FPM) | 0 ... +80°C (0 ... +176°F) |
They are for neutral, gaseous and liquid fluids, non-combustible. Special versions exist for water application.
The available port sizes are G1/4, 1/4 NPT or flange.
Options include DIN EN 175301-803 (DIN 43650) form A or M12 x 1 IEC 947-5-2.