COMPRESSED AIR COUPLINGS CATALOGUES
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Cejn compressed air couplings provide high-performance pneumatic solutions, with high flow rates up to 4000 L/min and a maximum pressure of 16 bar. They ensure safety thanks to the automatic disconnection feature, reducing the risk of accidents and improving energy efficiency. Made with corrosion-resistant materials, they are ideal for industrial environments that demand high reliability and long-lasting performance.
Cejn compressed air couplings are designed to ensure high performance, safety, and durability in industrial and professional environments. Manufactured in compliance with international standards, these quick couplings are ideal for use in a wide range of pneumatic, hydraulic, and fluid applications thanks to their excellent flow capacity and wear resistance.
Cejn compressed air couplings are built with durable materials such as zinc-plated steel, nickel-plated copper, and brass, ensuring long-lasting performance even under tough working conditions. Each coupling is designed to minimize pressure loss and provide effective protection against accidental backflow of air or other substances.
Cejn compressed air couplings comply with international standards ISO 4414, EN 983, ISO 6150, A-A 59439, ensuring not only perfect compatibility but also optimal performance in every scenario. The flow capacity of the various series varies significantly, covering a wide range of needs: from 580 l/min for lighter applications to 4000 l/min for high-performance demands. These couplings can operate at working pressures up to 35 bar, offering great versatility in complex work environments.
The vented safety function is a key feature of Cejn couplings, designed to minimize operational risks. The quick couplings are equipped with safe disconnection mechanisms that prevent accidents and damage, protecting both the operator and surrounding equipment. Additionally, many of the couplings are designed for one-handed connection and disconnection, ensuring practical use even in dynamic work situations.
These couplings are suitable for a variety of sectors, including the automotive industry, metalworking, machine construction, and maintenance of industrial plants. Their robustness makes them ideal for harsh work environments, such as workshops, high-intensity production facilities, and offshore applications.
| Series | Nominal Diameter (DN) | Flow Capacity (l/min) | Maximum Working Pressure (bar) | Material | Compliance |
|---|---|---|---|---|---|
| Series 300 | 5.5 mm (7/32″) | 1050 l/min (37.1 CFM) | 16 bar (232 PSI) | Zinc-plated steel, Brass | ISO 4414, EN 983 |
| Series 291 | 5.5 mm (7/32″) | 1090 l/min (38.5 CFM) | 12 bar (174 PSI) | Zinc-plated steel, Brass | ISO 6150 C |
| Series 310 | 5.3 mm (7/32″) | 950 l/min (33.6 CFM) | 16 bar (232 PSI) | Zinc-plated steel, Brass | ISO 6150 B, A-A 59439 |
| Series 320 | 7.4 mm (5/16″) | 2250 l/min (79.5 CFM) | 16 bar (232 PSI) | Zinc-plated steel, Brass | ISO 4414, EN 983 |
| Series 410 | 10.4 mm (13/32″) | 4000 l/min (141.3 CFM) | 16 bar (232 PSI) | Zinc-plated steel, Brass | ISO 4414, EN 983 |
| Series 220 | 5 mm (3/16″) | 580 l/min (20.5 CFM) | 35 bar (510 PSI) | Nickel-plated steel | ISO 4414 |
| Series 315 | 7.5 mm (5/16″) | 1950 l/min (68.8 CFM) | 16 bar (232 PSI) | Zinc-plated steel, Brass | ISO 4414, EN 983 |
| Series 220 eSafe | 5 mm (3/16″) | 580 l/min (20.5 CFM) | 12 bar (174 PSI) | Nickel-plated steel | ISO 4414 |
| Series 550 | 11 mm (7/16″) | 4050 l/min (143.0 CFM) | 16 bar (232 PSI) | Zinc-plated steel, Brass | ISO 6150 B, A-A 59439 |
| Series 471 | 11 mm (7/16″) | 3890 l/min (137 CFM) | 16 bar (232 PSI) | Zinc-plated steel, Brass | ISO 6150 C |
| Series 141 | 2.5 mm (3/32″) | 86 l/min (3.0 CFM) | 10 bar (150 PSI) | Chrome-plated brass | ISO 4414 |
| Series 381 | 8.0 mm (5/16″) | 1950 l/min (68.8 CFM) | 16 bar (232 PSI) | Zinc-plated steel, Brass | ISO 6150 C |
| Series 430 | 8.2 mm (5/16″) | 2500 l/min (88.3 CFM) | 16 bar (232 PSI) | Zinc-plated steel, Brass | ISO 6150 B, A-A 59439 |
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