... , sodium bichromate, ammonium sulfate, ammonium nitrate, boric acid, acetate, nitro cellulose, urea, PVC, potassium chloride, potassium nitrate, potassium sulfate, potassium carbonate and phosphate. The centrifuges are ... . Machine Speed: Max. 1900 rpm (to be decided after order)4. Operative Oil Pressure: 8 Mpa5. Motor for Oil Pump: 13 ...