1. The Subject Of The Order Is The Sale And Delivery By The Contractor For Remuneration Of 9 Models Of Centralizers For Drill Strings. 2. Additional Parameters Of The Subject Of The Order:1) Drill String Centralizers Are Designed To Stabilize Drill Strings (Rods) In The Hole.2) The Design Of The Device Is To Enable Quick And Simple Assembly And Disassembly, Not Requiring The Use Of Specialized Tools Or Advanced Technical Knowledge.3) Centralizers Should Be Made Of Alloy Steels With High Mechanical Strength And Resistance To Operational Wear, I.E. Grinding, Abrasion On The Drill Hole Wall. 4) Centralizers Should Be Protected With Anti-Corrosion Coatings. 5) Centralizers Should Consist Of Two Segments Covering The Cable, After Assembly, Fastened With Screws Or Clamps. The Centralizers Should Be Installed Without Dismantling The Excavation Line.6) The Centralizers Should Work With Poles With The Following Parameters: A) Outer Diameter Of The Pole Ø 60.3 Mm, B) Section Length: 500 Mm, C) Thread Type: Svj42f - Internal Thread And Svj42m - External Thread.
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