Bids Are Invited For Acquisition Of Dosing Pumps, Bearing Centrifugal Pumps, Centrifugal Pumps And Motor Pumps

Diaphragm Or Peristaltic Dosing Machine With Stepper Motor Drive - 10 L/H Diaphragm Or Peristaltic Dosing Machine With Stepper Motor Drive With 10 L/H Dosing Capacity, Fixing On Bench.1. Working Conditions:1.1. Fluids To Be Pumped:1.1.1 Fluosilicic Acid 20%, Density 1, 25 G/Ml;1.1.2 Sodium Orthopolyphosphate 55%, 55 G/Ml;1.2 Fluid Temperature: Ambient;1.3 Flow: 0 To 10 L/H;1.4 Pressure: 0 – 13 Bar;2. Construction Features:2.1 Fixing: Bench;2.2 Automation Input: 4 To 20 Ma;2.3 Key: On/Off;2.4 Continuous Dosing Regime With Dosing Accuracy Of +- 1%;2.5 Purge Valve For Air Removal Incorporated Into The Pump Head;2.6 Suction And Discharge Valve Suction Valve And Discharge With Good Sealing And Preventing Backflow, For Example, The Use Of A Double Ball;2.7 Suction And Discharge Connection For A Hose With A Diameter Of 6 Physical Markings On The Doser Must Be In Portuguese Pt-Br Or Use Nationally Known Standard Symbols.3. Execution Of The Pump In Accordance With Specified Materials Or Higher In Terms Of Chemical And Mechanical Resistance: 3.1 Head: Pvdf Or Material Of The Same Resistance Or Proven To Be Higher; 3.2 Valves: Pvdf Or Material Of The Same Resistance Or Proven To Be Higher; Or Provenly Superior;3.5 Seals: Fp (Viton) Or Material Of Same Resistance Or Proven Superior;3.6 Double Balls: Ceramic Or Material Of Same Resistance Or Proven Superior;3.7 Piston: Stainless Steel Or Material Of Same Resistance Or Proven Superior;3.8 In The Case Of Peristaltics, Use Hose Made Of Santoprene, Constantly Bathed In A Fluid, Dosing Electromagnetic Diaphragm 60 L/H Electromagnetic Diaphragm Dosing Machine With 60 L/H Dosing Capacity, Fixing On Bench.1. Working Conditions:1.2 Fluids To Be Pumped:1.3 Polyaluminum Chloride 10 – 12%, Dendisade 1, 33;1.4 Sodium Hypochlorite 10 – 12%, 2.1.5 Antifoam1.6 Fluid Temperature: Ambient;1.7 Flow: 0 To 60 L/H;1.8 Minimum Pressure: 0 Bar Na Maximum Flow.2. Constructive Features:2.1 Fixation: Bench;2.2 Automation Input: 4 To 20 Ma;2.3 Key: On/Off;2.4 Electronic Regulation Of The Number Of Pulses;2.5 Manual Or Automatic Adjustment Of Dosage From 0 To 100%, Alternating The Number Of Pulses Electronically;2.6 Continuous/Discontinuous Dosing Regime With Precision +- 2%;2.7 Pulsation: 0 To 120 Pulses Per Minute (+-20%);2.8 Purge Valve For Air Removal Incorporated Into The Pump Head;2.9 Suction And Discharge Valve With Good Sealing And Preventing Backflow, The Use Of Double Ball;2.10 Suction And Discharge Connection For Diameter Hose 8 Execution Of The Pump In Accordance With Specified Or Superior Materials In Terms Of Chemical And Mechanical Resistance: 3.1 Head: Pvdf Or Material Of The Same Resistance Or Proven To Be Superior