Guillemin Symmetrical Half Coupling, Fire Hose Type, with Reduced Corrugated Sleeve and Collar

The Guillemin symmetrical half coupling with reduced corrugated sleeve and collar is a precision component essential for fluid transfers requiring high-security crimping. Specifically designed to be mounted on technical hoses, this "fire hose" coupling stands out for its retaining collar that optimises mechanical hold during assembly. Proudly manufactured in France, this coupling meets the most demanding quality standards to guarantee flawless performance in the harshest industrial environments.

French Design to NF and EN Standards

This symmetrical coupling is made from AL-A356 AS7G aluminium with T6 heat treatment, giving it exceptional structural strength and increased durability against corrosion. It strictly complies with NF E 29.572 and NF EN 14420-8 standards, guaranteeing full compatibility with 16-bar service networks. Whether for petroleum, chemical, pharmaceutical industries or for the transport of liquid and pulverulent bulk materials, this coupling manufactured in France ensures absolute integrity of fluid transfers, both in suction and discharge.

Crimping Versatility and Hydraulic Safety

The reduced corrugated sleeve with collar allows great flexibility in the choice of crimping system. This coupling can be assembled using drawn ferrules, notched ferrules, pivot clamps or banding straps, thus adapting to the pressure and specific requirements of your hose. In terms of hydraulic safety, its performance is remarkable: with a service pressure of 16 bar, it features a test pressure of 32 bar and a burst pressure reaching 50 bar, providing a critical safety margin for high-risk installations.

Assembly Tips for a Perfect Seal

To ensure the longevity of your connections, our couplings are fitted as standard with high-quality NBR seals. For assembly, present the two half couplings face to face, making sure the seals are perfectly flush against each other. Turn the locking rings (locks) by hand through 360° to engage the guides (jaws). Finally, complete the tightening operation using a suitable Guillemin key to lock the coupling and prevent any untimely loosening due to vibrations or water hammer.

Technical Specifications

Fields of Application and Reliability

Thanks to its excellent mechanical resistance, this coupling is widely used in agriculture, irrigation, steelworks and heavy industrial maintenance. Its ability to handle pulverulent products and liquid bulk materials makes it a preferred choice for construction and chemical sectors. By choosing this symmetrical coupling manufactured in France, you opt for a component compliant with NF E 29.572 standards, ensuring maximum safety for your operators and fluid transport infrastructure.