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Type
of plant (pulp & paper, power plant, steel mill, chemical, ...)
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Liquid
flow rate m³/h
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Working
pressure bar g
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Smallest
opening through which the liquid has to pass after it is filtered (nozzle
dia. 2 mm, 1 mm, ...)
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Filtration
problems which need to be solved (clogging of nozzles, sedimentation
of solids in pipes, ... )
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Type
of fine screen needed in the opinion of the final user (25, 50, 80,
120, 200, 400, 800, 1500 or 3000 µ)
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Nominal
pipe diameter
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Flange
standard DIN / ASA / other
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Explanation
of liquid usage (cooling tower, boiler feed, ...)
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Through
which system flows liquid after filter (cooling tower, pipeline, spray
nozzles, heat exchanger, ...)
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Dirt
type (sand, plastic fines, rust, scale, insects, ...)
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Dirt
description
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Dirt
load ppm
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Dirt
dimensions micron
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Type
of pump (centrifugal, ...)
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Please submit pump curve. If not available, complete the following :
- the pressure when full capacity + 20 m³/h is forced through the
system
- the pressure when full capacity + 40 m³/h is forced through the
system
- the pressure when full capacity + 80 m³/h is forced through the
system
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Describe
the existing filtration facilities (strainer ... micron, other ...)
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Describe
the existing problems
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What
is the existing screen size micron ?
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What
are drainage facilities ?
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What
is the liquid temperature °C ?
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Is
compressed air 5 to 6 bar available ?
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Is
electricity 220V - 1 ph - 50 Hz available ?
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Can
flow be interrupted during flushing (5 to 15 seconds) ?
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What
is max. accepted differential pressure ?
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What
materials are used for pipes and accessories ? (carbon steel, stainless
steel 304, 316, plastic, ...)
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What
is the budget ?
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When
should filter be installed ?
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Please
submit any other information available
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Please
attach schematic drawing of installation and proposed filter location
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