The Viking Johnson Aquafast Coupling provides an exclusive pressure sealing mechanism that provides a straightforward and dependable method for joining HDPE and PVC pipes. AquaFast stands out with its progressive gripping and pressure-responsive sealing technology, guaranteeing exceptional performance even when the pipe wall relaxes over time. This feature makes it an excellent choice for small diameter pumped sewerage pipelines as it eliminates the need for a support liner. With AquaFast, you can rely on its high-performance capabilities and ensure a reliable and efficient solution for your sewerage system.