Sammelrohren

Sammelrohre, or collecting tubes, is a term used in engineering and science to describe a tube or pipe system designed to gather liquids, gases, or samples from multiple inputs into a single conduit. The concept is applied wherever several substreams must be routed to a common outlet with controlled flow.

In civil and environmental engineering, Sammelrohre are used in drainage and sewer networks to combine discharge from several branches into a main line. They may be buried underground and are commonly made from materials such as PVC, HDPE, concrete, or steel. Key design considerations include flow capacity, joint integrity, corrosion resistance, and measures to prevent backflow and infiltration.

In environmental monitoring and groundwater investigations, Sammelrohre serve as sampling strings where multiple ports along the tube provide access to fluids from different depths or horizons. Such systems enable representative sampling with fewer wells, reduce disturbance, and support automated measurements.

In instrumentation, the term can also refer to tubes that collect outputs from several sensors or detectors into a single data line or manifold, simplifying routing and reducing hardware complexity.

Installation requires planning of slope to maintain gravity-driven flow, proper sealing of joints, venting where necessary, and compatibility with the transported fluids. Proper design aims to minimize leaks, blockages, and sedimentation, while ensuring reliable operation across varying environmental and service conditions.