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Valve, Basket strainer, Filter, Separator, Liquid filter
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B BOLLFILTER
Protection Systems
APPLICATION
Filtration of all liquids. For installation into suction or pressure pipework to protect downstream equipment (pumps, bearings, heat exchangers, valves, pipework etc.) against contamination or accumulation of mud.
OPERATION
The filter is completely maintenance-free except for checking of the seals and cleaning of filter elements. The pressure drop indicates the contamination degree of the filter. To clean the filter element, the installation must be shut-down or the filter isolated.
CLEANING
Depressurize the filter chamber by means of the venting screw. Lift the housing cover, remove the filter element, rinse it with the cleaning fluid, e.g. BOLL-CLEAN 2000, and clean it by compressed air.
(See operating instructions 'filter element cleaning').
TECHNICAL CHARACTERISTICS
• Filter housing made of cast ductile iron (DN 25 to DN 80) or cast stain-less steel (DN 25 and DN 50)
• Certified according to AD 2000, PED/DGRL97/23/EG and ASME SECT. VIII DIV.1
• Flanged connections according to DIN, ANSI, JIS
• Filter elements: star-pleated O élément or basket Q élément, option-ally as disposable element
• Grade of filtration: 10 micron to 5 mm
• Operating temperature: -10°C to 160°C
ACCESSORIES
• Differential pressure indicator optical / optoelectrical
BOLL Simplex Filter
with flanged connections DN 25-DN 80 optionally with integrated steam heating
■
Cover safety device
Magnetic bar inside the filter element
Steam heating
Electrical heating
Bottom fastening for filter size
DN 65/80
ADVANTAGES
• Minimal pressure losses
• Most compact construction
• Minimal number of components
• Easy cover fastening with only two screws
■
Pressure stages /Dimensioning
In-/Outlet
DN 25
DN 32
DN 40
DN 50
DN 65
DN 80
Cast ductile iron
PN 40
PN 40
PN 40
PN 40
PN 40
PN 40
Cast stainless steel
PN 32
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PN 32
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Volume flow at
Ap clean 0.1 bar; Oil 40 cS
5 m3/h
9 m3/h
14 m3/h
21 m3/h
35 m3/h
53m3/h
Grade of filtration 50 Mm
83 l/min 150 l/min
233 l/min
350 l/min
583 l/min
883 l/min
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