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United Industries' bio-pharmaceutical customers constantly request cleanliness, identification, process control and documentation. To meet these ever increasing demands United Industries has consistently invested in technology, processes and people to ensure these stringent requirements.

In-line production from tube to the clean room in an environment specially constructed to cater to this industry with the most modern high purity D.I. water system, clean steam generated in stainless steel boilers and transported through stainless tubing has, and is, ensuring absolute cleanliness and integrity.

Manufacturing

United Industries' purchases stainless steel against very specific material standards as wide coil from very well known and leading domestic stainless steel producers. Material is inspected and slit in-house to assure a superb fit. In-house slitting permits a first stage inspection of every surface inch of the material. Additional tests for hardness and suitability are performed prior to the tube production process.

Each coil has its own heat identification to assure absolute traceability throughout the entire process.

All tubing is produced in a continuous in-line cellular manufacturing process, which allows for instant correction of any type of defect and avoids handling damage.

Welding processes are by Laser, TIG (tungsten inert gas) or HPTIG (high pulse tungsten inert gas). Dedicated tooling assures form, fit and function of the tubing.

All tubing is in-line eddy current tested – operators are certified to level 1. Tubing is marked for identification.

Tubing for the bio-pharmaceutical market is steam cleaned, boroscoped prior to electro-polishing and then transferred to a controlled environment for electro-polishing. Tubes are cleaned with high purity DI water, nitrogen treated, boroscoped and specially packed.

Final packaging can be performed in a clean room environment for the more stringent applications within the bio-pharmaceutical or semi-conductor markets.

Quality

Visual comparisons to test specimens ensure consistency of finish and weld execution. Roughness measurements (Ra) are taken to ensure adherence to the B.P.E. specification for I.D. and O.D. surface condition.

Inspection by boroscope, including video recording if necessary, are standard procedures for electro-polished tubing.

Product Delivery

Cellular in-line production is the ideal basis for meeting the rigid delivery schedule of tubing for the bio-pharmaceutical sector. Speedy and on time performance has made United a trusted partner. Dedicated shipments to the site or to warehouses ensures safe arrival of these delicate products.

EP material is wooden crated for better transportation protection. Material certification, along with EP process certification are standard documentation to a company shipment.