GP-154
Vacuum Filters
The
Dollinger GP-154 Vacuum Filter was developed for efficient
removal of dust, dirt, pipe scale and other solid particulates
from air and gas vacuum lines.
This vacuum filter assures positive protection for all types
of pumps in vacuum service and other pipeline equipment
in vacuum melting, distillation, packaging and other processes
by preventing all foreign matter from being drawn into the
pump.
Dollinger manufactures 14 standard models with a wide range
of capacities up to 14,700 acfm pump displacement, and connection
sizes 1/2-inch to 3/4-inch diameter female type; 1-inch
to 4-inch diameter male type with female or flanged adapter
available upon request; and sizes 6-inch to 24-inch diameter
150# ANSI standard flange type.
Housing Type and Construction:
The housing of the Dollinger GP-154 is manufactured of rugged
enameled carbon steel. It is designed and constructed for
high vacuum applications operating in a range from 760 mm
Hg (atmospheric pressure) down to .001 mm Hg absolute. The
vessel head of model GP-154-10 is die-cast aluminum. The
vessel body is drawn carbon-steel. Model GP-154-10 has a
single thru-bolt for ease of assembly and disassembly.
Models GP-154-15 through GP-154-140 feature a quick opening
clamp for convenient maintenance. On all other models, swing
bolts are permanently attached to allow easy access to the
vessel. A removable hinge assembly is standard on all vessels
16-inch in diameter and larger. Head lift assembly is available
upon request.
The inlet/outlet connections are furnished in a horizontal,
in-line configuration and can be quickly serviced without
breaking pipe connections. The sump of the GP-154 accommodates
dirt that is separated mechanically. This reduces the containment
load on the filter media and increases the filter element
life.
The standard filter housing may also be modified or customized
to meet unique or special application needs.
Filter Element Design and
Construction
The GP-154 model, incorporating the efficient Dollinger
radial-fin design element, provides continued minimum pressure
drop, extended service life, efficient filtration and assures
the largest filtering area for a given element size. This
means a more compact, lighter weight filter assembly with
greater dirt holding capacity. Standard GP-154 models are
furnished with a sewn-end element which is cleanable and
replaceable.
Filter Element Materials
Standard elements are furnished with a special felted filter
medium providing 10 micron solid retention at 98% efficiency.
GP-154 elements are also supplied in many alternative materials
including synthetic fibers or woven glass. Standard elements
are hand sewn and hand assembled to a metal and wire element
form. Sealing gaskets are attached by hand. Careful quality
control assures positive sealing of all hand-sewn elements
to prevent leakage of unfiltered air or gases past the element.
