TYPE 2.04.5 BOLL Duplex Filter
2Pages

BOLL Duplex Filter TYPE 2.04.5 with flange connections DN 25 – DN 80 available with heating APPLICATION Filtration of all liquids. For installation into suction or pressure pipework to protect plant components (valves, pumps, pressure gauges, nozzles etc.) preventing accumulation of dirt and sludge. change-over during operation without pressure-loss. The filter is compact and easy to maintain, requiring only manual cleaning when maximum allowable pressure drop is reached. When maximum pressure drop is reached the standby filter chamber is brought on line simultaneously as the dirty one is isolated by means of the change-over valve. After venting, the dirty element can be removed, cleaned and refilled to be the standby filter TECHNICAL CHARACTERISTICS • Switch change-over valve to clean • Filter housing of ductile iron; inter- filter chamber • Release pressure in the contaminat- ed filter chamber by means of vent1 Differential-pressure p as function of flow Q with oil of viscosity 50 cst and filtration degree 40 microns. ing screw • Lift the cover of the contaminated filter chamber • Remove filter element OPTIONAL ACCESSORIES • Soak filter element in cleaning fluid, Differential pressure indicator type 4.36 can be supplied fitted at factory. The filter elements can be fitted with For details see operating instructions magnetic bars. manual ”maintenance and servicing”. nally nickel lined for water application • Change-over valve of cast iron; water filters rubber-lined • Optionally star-pleated  or basket  filter element, star-pleated ele- ment also available as disposable filter element • Filter fineness: 10 microns to 5 mm • O

Auf Wunsch. on request, sur demande differencial pressure indicator indicateur de difference de pression 2 DDA-Anbau und Durchflussrichtung fur Sternsiebe DPI-installation and flow direction for star-element IDP-assemblage et direction de passage pour paniers etoiles 3 DDA-Anbau und Durchflussrichtung fiir Korbsiebe DPI-installation and flow direction for basket-element IDP-assemblage et direction de passage pour paniers a corbeille filter element removal flanged joint: BOLL & KIRCH Filterbau GmbH • P. O. Box 1420 • D-50143 Kerpen • Siemensstr. 10-14 • D-50170 Kerpen