Includes Installation, Operation, and Service Instructions
WITH QUICK-CHANGE
ULTRA-WEB® II
FIBRA-WEB
ULTRA-TEK
FILTER ELEMENTS
®
®
This manual contains specific precautionary statements relative to worker
safety in appropriate sections. Read this manual thoroughly and comply as
directed. It is impossible to list all of the potential hazards of dust control
equipment. It is imperative that use of the equipment be discussed with a Torit
representative. Personnel involved with the equipment or systems should be
instructed to conduct themselves in a safe manner.
Statements indicate precautions necessary
to avoid potential equipment failure.
CAUTION
Application of Dust Control Equipment:
•Special care must be exercised in the use of
dust collection equipment when combustible
equipment, such as buffing lint paper, wood
dust, aluminum, and magnesium are present.
These materials may present a fire or
explosion hazard. A prudent user of Torit
equipment should consult and must comply
with all National and Local Fire Codes and/
or other appropriate codes when determining
the location and operation of dust collection
equipment.
•Under no conditions should anyone, including
the machine operator, be allowed to put
burning objects or lit cigarettes into the hood
or ducting of any dust control system.
•Avoid mixing combustible materials with
dust generated from grinding of ferrous
metals due to the potential fire hazard caused
by sparks being pulled into the dust collection
equipment.
Statements indicate potential safety hazards.
collection equipment should be located
outside the building. Also, an installer of
fire extinguishing equipment, familiar with
this type of fire hazard and local fire codes,
should be consulted for recommendations
and installation of the proper fire
extinguishing equipment. Torit
does NOT contain fire extinguishing
equipment.
•Explosion relief vents are required on some
applications. Consult with an insurance
underwriter or a NFPA Manual to
determine proper vent sizing requirements.
Vents installed on dust collection equipment
within a building must relieve to the outside
of the building to minimize chances of a
secondary explosion. Consult the proper
authority to determine proper method of
venting the dust collection equipment. Torit
equipment does NOT contain explosion
relief vents, except on special order.
equipment
•When collection equipment is used to collect
flammable or explosive dusts, the dust
2
•To insure optimum collector performance,
always use Torit-Built® replacement
filters.
TORIT PRODUCTS is the leading designer and
manufacturer of dust collector systems for the
control of industrial air pollution. Its systems are
designed to help reduce occupational hazards,
lengthen machine life, reduce in-plant maintenance
requirements, and improve product quality.
1.1Operational Explanation
(See Figure 2 Operational Schematic)
The Torit® Downflo® model SDF dust collector
is used for the collection of airborne dust and
particulate. The model SDF collector provides
highly efficient, continuous, on-line dust
collection.
®
The Torit-Built
filter elements are the heart of
the model SDF dust collector. These filter
elements help ensure that clean air is returned to
the plant environment.
Technical and field support are always available
from your local Torit representative and
distributors.
Normal Operation
1.1.1Normal Operation
During normal operation, contaminated air
enters through the top inlet area and passes
down and through the filter elements. Dust is
collected on the outside surface of the filter
elements. The clean, filtered air flows through
the center of the filter elements and into the
clean air plenum, where it exits through the
clean air outlet.
Filter elements are cleaned automatically and
sequentially. The result is that only one filter
cartridge will be off-line for cleaning at any
given time.
During the filter element cleaning purge, a
solenoid valve is energized, causing the
corresponding diaphragm valve to send a pulse
of compressed air through the filter element
(from the inside outward), removing the
collected dust from the outside surfaces of the
filter element. The dust falls into the dust storage
container.
2.0Installation
2.1Inspection
The Downflo SDF is normally shipped by
common carrier and should be checked for
damage that may have occurred en route. Any
damage should be noted and the carrier notified
immediately.
The following is a list of typical tools and
equipment required to install and assemble a
Downflo SDF unit.
•Crane/Lift Truck
•Pipe Wrenches
•Socket Wrenches
•Pipe Sealant
2.4Assembly of Standard Equipment
NOTE
A crane or forklift truck is recommended
for the unloading of the dust collector.
CAUTION
•Connect lifting slings to the four lift
lugs on top of the dust collector when
using a crane to unload the unit.
2.2Ship Loose Items
Items shipped loose with the dust collector may
include:
•Insert the fork under the dust
collector between the casters or legs
when using a forklift truck to unload
the unit.
Remove all crating and strapping from the unit.
Remove all miscellaneous parts (bolts, nuts, etc.)
before lifting the unit off of the truck. Check the
parts received against the packing list. If there
are parts missing, the carrier and your local
Torit representative should be notified
immediately.
NOTE
If the lift lugs are removed, they must be
replaced with the four (4) metric hex
bolts (provided) before the dust collector
is operated.
Most cabinets are shipped completely assembled
with the filter cartridges installed.
2.5.4Adapter to Round Outlet (See Figure 6
Adapter Pack to Round Outlet)
2.5.1Compressed Air Inlet Adapter
(See Figure 3 Compressed Air Inlet
Adapter)
The compressed air inlet adapter is used for
converting the compressed air inlet from
National Pipe Threads to British Pipe Threads.
Install the compressed air inlet adapter as shown
in Figure 3 Compressed Air Inlet Adapter. Use
thread-sealing tape or pipe sealant on the
threaded adapter before screwing it into the
compressed air inlet.
2.5.2Leg Levelers (See Figure 4 Leg Levelers)
The leveling mount foot pads screw into the
bottom of the collector legs as illustrated in
Figure 4 Leg Levelers.
2.5.3Inlet Collar (See Figure 5 Inlet Collar)
Place 1/4" diameter sealant between the cabinet
side or top and the inlet collar. Attach the collar
using the eight (8) #6-32 thread cutting screws
provided.
Place the 3/16" x 1/2" rubber seal between the
cabinet top and the outlet adapter. Attach the
outlet adapter to the cabinet using the clamp
hook, wing nut, and washer as shown. The
sliding damper will still operate with this
adapter.
2.5.5 Adapter Auto-Lok / Ultra-Lok
(See Figure 7 Adapter Pack
Auto-Lok / Ultra-Lok )
Remove the lift lug on the cabinet top and
replace it with the set screw. Place the 3/16" x
1-1/4" gasket between the cabinet top and the
adapter. Attach the adapter to the cabinet top
using the clamp hooks, wing nuts, and washers
as shown. Place the 3/8" x 1-1/4" gasket
between the adapter and the Auto-Lok or UltraLok filter as shown. Use the 10-24 x 7/16 screws
to attach the filter to the adapter. The sliding
damper will not operate with these adapters.
Remove the lift lug on the cabinet top and
replace it with the set screw. Place the 3/16" x
1-1/4" gasket between the cabinet top and the
adapter. Attach the adapter to the cabinet using
the clamp hooks, wing nuts, and washers as
shown. Place the 1/4" x 3/4" gasket between the
adapter and the HEPA or Activated Carbon
filter as shown. Use the filter retainer bar and
the 1/4" bolts and washers to attach the filter to
the adapter. The sliding damper will not operate
with these adapters.
2.5.7Leg Pack SDF
(See Figure 9 Leg Pack SDF)
The SDF units that are not furnished with a dust
container will have an internal hopper with a
base to attach to legs and crossbracing.
Assemble the legs and crossbracing to the SDF
base as shown in Figure 9 Leg Pack SDF. The
55-gallon drum pack leg crossbraces should be
installed on the three sides only, in order to
allow access to the drum. The 5-gallon pail pack
does not require crossbracing.
2.5.855-Gallon Drum Pack
(See Figure 10 55-Gallon Drum Pack
and 5-Gallon Pail Pack)
The 55-gallon drum cover and the 55-gallon
drum cover with gate can be attached to the
base as shown in Figure 10 55-Gallon Drum
Pack and 5-Gallon Pail Pack. Use the existing
bolts, washers, and nuts that are on the base.
Access to the bolts is through the hinged door.
Be sure to use sealant to seal between the drum
cover and the base.
2.5.95-Gallon Pail Pack
(See Figure 10 55-Gallon Drum Pack
and 5-Gallon Pail Pack)
Attach the 5-gallon pail cover and the 5-gallon
pail cover with gate as shown in Figure 10
55-Gallon Drum Pack and 5-Gallon Pail Pack.
2.5.10 Bin Vent Base Pack
(See Figure 11 Bin Vent Base Pack)
The Bin Vent pack for the SDF consists of a
base, as shown in Figure 11 Bin Vent Base Pack.
The Bin Vent base has twenty-eight (28) 1/2"
diameter holes for attachment in the field.
2.5.11 Flex-Trunk Assembly 7 Ft/10 Ft
(See Figure 12 Flex-Trunk Assembly)
Remove the cover plate bolts and the cover
plate from either the right or left side of the SDF
cabinet. Using the same cover plate bolts, attach
the Flex-Trunk Adapter to the side of the SDF
cabinet. Be sure to place 1/4" diameter sealant
between the adapter and the cabinet, as shown
in Figure 12 Flex-Trunk Assembly. Next, attach
the Flex-Trunk assembly to the adapter, being
sure to install more 1/4" sealant between the
adapter and the Flex-Trunk assembly. With the
swivel base positioned as shown in Figure 12
Flex-Trunk Assembly, secure the Flex-Trunk to
the adapter using the four (4) 5/16 slotted
screws and lock washers. For the adjustment
and operation of the Flex-Trunk, see the
Installation and Operation Manual for the FlexTrunk IOM-40779-00.
2.5.12 Weatherhood Pack
(See Figure 13 Weatherhood Pack)
Remove the bolts and the rear access panel to
the SDF. If the SDF is equipped with an outlet
damper (see Figure 1 SDF-4 Phantom View), this
damper must be removed. The weather hood
cannot be used with the outlet damper. Also,
remove the lift lug from the corner of the cabinet
and replace it with the M-16 set screw provided.
Place 1/4" diameter sealant between the cabinet
top and the weatherhood. Position the
weatherhood over the cabinet outlet, as shown
in Figure 13 Weatherhood Pack, and attach the
weather hood to the cabinet using the four M-6
bolts provided. These bolts should be inserted
through the slots on the cabinet roof and
screwed into the weld nuts on the weatherhood.
Replace the rear access panel and bolts.
2.5.13 Explosion Vent Cabinet (See Figure 15
SDF-4 with Explosion Vents—Phantom
View)
When explosion vents are furnished on an SDF,
a special cabinet is required (see Figure 15 SDF4 with Explosion Vents—Phantom View). Some
features on this cabinet include:
•A hinged access door to the dust container
with threaded handles and a reinforcing
bar.
•Two 1/8" NPT couplings for dirty air (high
pressure) and clean air (low pressure)
fittings.
•Two 3/4" NPT couplings for electrical
connections.
•Openings for two 12 x 12 explosion vents.
Options available with this SDF cabinet in
addition to the 12 x 12 explosion vents include:
•Explosion-Proof Motors.
•Aluminum Blower Wheels.
•NEMA 9 Explosion-Proof Solenoid
Enclosures.
•Checker board in remote enclosure with
unwired electrical only.
NOTE
•Explosion vent SDF units do not
contain an electrical compartment.
They are furnished from Torit
unwired.
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•All electrical work must be done by a
qualified electrician according to local
codes.