3.1 The Subject Of The Order Is The Sale And Delivery By The Contractor Against Payment Of 10 Pieces Of Submersible, Light, Energy-Saving Slurry Pumps With A Cooling Jacket With The Following Parameters: A) Power Supply: 3~ 500V, 50Hz, B) Engine Speed Of At Least 2800 Rpm, C) Engine Temperature Class: H (180°C), D) Temperature Of The Pumped Liquid Covering The Range 0-60°C,E) Maximum Capacity: 630 L/Min,F) Lifting Height: At Least 15 M, G) Vertical Threaded Discharge Port 2”H) Free Passage Of The Rotor (Pumping Solid Particles): Ø 9Mm,I) Weight Of The Pump Without Power Cable: Maximum 30 Kg,J) Length Of Power Cable: At Least 10M, Shielded Mining Cable With Pvc Insulation And Coating, Type Ynogyekm,K) Outer Jacket And Suction Strainer Made Of Stainless Steel,L) Double Mechanical Seal Q1q1v/Bvvgg In The Inspection Oil Chamber,M) Impeller, Body, Inlet Plate Made Using Casting Technology (Without Welds),N) Semi-Open Hydraulic Impeller Made Of Chrome-Nickel Steel,O) Shaft Protective Sleeve,P) Automatic Thermal Protection And Built-In Current Protection.Q) Additional Integrated Cathodic Protection3.2 The Supplied Pumps Should Comply With The Requirements Specified In The Geological And Mining Law, Including The Regulation Of The Minister Of Energy Of November 23, 2016 On Detailed Requirements For The Operation Of Underground Mining Plants.
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