The Guillemin couplings are symmetrical. They are connected by 4 hooks if the installation is mobile they in general the coupler with locking ring that makes the connection between the two couplers. At least one of the 2 couplers needs locking ring. They are widely used in the industries and transportation of oil and petroleum products, fluid or viscous, including hot asphalt, chemicals, powders as well as food industry (stainless steel). They are manufactured in carbon steel and stainless steel, according to NF- E 29572 standard. Guillemin coupling was also referred to Symmetrical half coupling or French coupling. They are widely used in France and in Belgium to couple hoses and resembles a DSP coupling, which is used in firefighting.

GUILLEMIN aluminum