PU Straight Through Pneumatic Connector for 4-16mm Automation Tubing

This PU straight-through pneumatic connector is a quick-insertion fitting designed for trachea tubing in automation equipment. It joins tubing in a straight line, using a push-in connection rather than a threaded or tool-dependent joint. The connector body is made from low-shrinkage POM and PBT with imported O-rings, and it is available in seven cannula sizes covering 4 mm to 16 mm outer-diameter trachea. The fitting is rated for temperatures from 0 to 60°C and pressures from 0 to 1 MPa. It is supplied in packs of 100 pieces, with black and blue colour options. The straightforward design suits maintenance, assembly and repair tasks where a reliable tubing join is needed without extra complexity.

Features and Construction

The connector is built around a quick-insertion format for pneumatic tubing. Its core materials and size range are clearly stated, making it easier to select the correct fitting for a given trachea diameter.

Material and Build

The body uses low-shrinkage POM and PBT, which are moulded plastics chosen for dimensional consistency in the finished part. Imported O-rings are included as part of the sealing arrangement. Together, these materials form a practical connector for pneumatic tubing lines in automation equipment. The O-ring sits inside the fitting to help seal against the inserted trachea, while the plastic body holds the tube in a straight-through position.

Size and Practical Fit

The connector comes in seven cannula sizes: PU-04, PU-06, PU-08, PU-10, PU-12, PU-14 and PU-16. Each size corresponds to a trachea with a 4 mm, 6 mm, 8 mm, 10 mm, 12 mm, 14 mm or 16 mm outer diameter. This range allows the same connector type to be used across different tubing runs. Matching the cannula size to the trachea outer diameter is the key step in achieving a proper fit. The straight-through shape keeps the tubing path direct.

Uses and Placement

The connector is intended for automation equipment, where pneumatic lines need to be joined or extended. Its quick-insertion design supports straightforward fitting during assembly or maintenance.

Event or Professional Use

In automation equipment, pneumatic tubing often needs to be connected, replaced or re-routed. This straight-through connector provides a direct join between two lengths of trachea. The push-in format can reduce the time needed for tubing changes compared with fittings that require additional tools. With sizes from 4 mm to 16 mm, it can be kept on hand for different tube diameters commonly found in workshops and production environments.

Everyday Home Use

Although the stated scope is automation equipment, the same straight-through connector can be used wherever a compatible pneumatic trachea needs joining within the stated pressure and temperature limits. Its compact plastic body and push-in connection make it simple to handle. The 100-piece pack suits users who prefer to keep a stock of fittings rather than buying one at a time. It is not intended for use outside the stated 0-60°C and 0-1 MPa ranges.

Benefits and Buying Value

The main practical benefits come from the size range, the push-in connection and the multi-piece pack. These features support repeated use and straightforward replacement without unnecessary complexity.

Reuse and Low Maintenance

The connector can be inserted and removed as part of normal tubing maintenance, provided it remains within the stated operating limits and the O-rings are kept clean. The low-shrinkage POM and PBT body is a moulded plastic construction, and the imported O-rings form the sealing element. Keeping the fitting free from debris helps maintain a proper seal. No specialist maintenance instructions are stated beyond correct size matching and use within the rated temperature and pressure range.

Why Choose This Product

This pneumatic connector combines a straight-through quick-insertion design with a 4 mm to 16 mm cannula range. It uses low-shrinkage POM and PBT with imported O-rings, and it is rated for 0-60°C and 0-1 MPa. The 100-piece pack provides a practical quantity for workshops, maintenance teams or automation equipment users who need multiple fittings. Black and blue colour options are available. For anyone working with pneumatic trachea in automation equipment, the PU straight-through series offers a direct and size-specific connection.