Couplings
Littlejohn Inc. offers a precision-engineered selection of chemical-grade couplings, ideal for use in pneumatic and chemical fluid systems on tank trailers. These couplings are designed to maintain secure, leak-free connections for transporting corrosive or hazardous liquids. With rugged materials and robust sealing features, they ensure efficient chemical flow and prevent leaks during loading and unloading operations.
Featured in our inventory are high-performance couplings from PT Coupling, Pelican, and Dixon—manufacturers known for their durability and chemical compatibility. PT Coupling offers lightweight yet strong aluminum couplings with quick-connect functionality. Pelican specializes in heavy-duty stainless steel couplers designed for long service life and resistance to harsh chemicals. Dixon delivers a wide range of cam and groove styles that provide tight, reliable seals and easy handling in chemical transfer operations.
At Littlejohn Inc., we understand the stringent requirements of chemical trailer operations. That’s why we back our quality coupling selections with fast shipping from multiple warehouse locations and expert customer service. Our team is ready to help you choose the right coupling style and material for your specific chemical application, ensuring reliable performance and regulatory compliance.




