The QFS 2000 stainless steel tank isequipped with sight glasses to monitorthe MIN / MAX level and can be fastenedwith a fastening accessory. Leakoverflow can be selectively discharged.Circulation according to API 682 / ISO21049: Plan 51, Plan 52. Quench fluidsupply systems are used to lubricatesingle or tandem mechanical seals.They act as a convenient fluid reservoir.The fluid exchange takes place by theprinciple of termosiphon or forcedcirculation, e.g. with an external pump.