Grooved Couplers

At Littlejohn Inc, we provide a wide selection of durable and high-performance grooved couplers designed specifically for petroleum tank trailers. Whether you need a reliable connection for loading and unloading fuel or ensuring a secure pipeline system, our inventory includes top-tier brands like Dixon and Allegheny. These couplers are built with premium materials like stainless steel and aluminum to withstand the demanding conditions of the petroleum industry.

These grooved couplers offer several key features that enhance the safety and efficiency of your operations. Designed for quick installation, they accommodate pipe misalignment and reduce vibration, which minimizes wear and tear on your tanker’s piping system. With high-pressure ratings, chemical-resistant gaskets, and compliance with industry standards like ASTM and ABS, these couplers ensure a secure, leak-proof connection for fuel transfer. Whether you need a coupling with an EverGreen-FKM gasket for chemical resistance or a durable axial restraint design for extra stability, we have the right solution for your fleet.

At Littlejohn Inc, we understand the importance of keeping your petroleum tank trailers operating efficiently, which is why we offer fast shipping and a vast inventory of top-quality parts. Our grooved couplers help reduce maintenance downtime and improve overall performance, ensuring a smooth and safe fuel transfer process. Shop with us today to find the right grooved couplers for your tank trailer and experience the reliability and service that has made us a trusted supplier in the industry.