Pipeline Pigging Tube

Jiangsu Ying Naisi Machinery Manufacturing Co., Ltd. is one of the leading manufacturers and suppliers of pipeline pigging tube in China. We are committed to providing high quality customized service and OEM&ODM service for global clients. If you're going to wholesale advanced pipeline pigging tube made in China, welcome to get quotation from our factory. For price consultation, contact us.

The ball-pigging pipeline tube is manufactured through an integrated precision route: cold drawing and cold rolling establish the dimensional foundation, honing refines the bore geometry, and a final Skived & Roller Burnished (SRB) pass delivers the surface quality required for reliable pig travel. The SRB process is a single-pass operation in which a skiving tool on the forward stroke cuts the bore to the required size, followed by roller burnishing tools on the reverse stroke that cold-work the surface to the specified roughness. This combined operation forms a cold-worked surface layer with residual compressive stress, improving surface hardness, wear resistance, and fatigue strength by approximately 30% compared with conventionally honed bores.

The resulting tube offers strict dimensional tolerances, a uniform wall, and a bore surface that is both smooth and clean. The low-friction, contamination-resistant inner surface minimizes the adhesion of wax deposits and particulate debris, allowing pigs to pass through the line without scoring or sticking. In lubricant and oil-transfer service, this cleanliness directly protects product purity: residual wall contamination is suppressed, cross-contamination between batches is avoided, and the pipeline remains compatible with multi-grade oil delivery requirements. Specifications and steel grades can be customized, with stable quality and dependable lead times.

The tube is used in lubricating-oil and oil-transportation pipelines where routine pigging is part of the operating protocol, as well as in fluid-transfer lines that demand a high-cleanliness, low-friction bore. It serves oil-and-gas gathering systems, lubricant blending and distribution networks, and pipeline-engineering projects where deposit control, batch separation, and product integrity are critical.

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