Purifier® Logic® Series Class II, Type A2 Biological Safety Cabinets
LABCONCO BIOLOGICAL SAFETY CABINET SPECIFICATION CLASS II, TYPE
A2 MODELS
PART 1 - GENERAL
1.01 Work Included:
1.01.01 This specification covers the requirements for the purchase of bench-mounted
Class II, Type A2 biological safety cabinets.
1.01.02 Bench-mounted Class II, Type A2 safety cabinets in 3-, 4-, 5- and 6-foot widths
are covered by this specification.
1.01.03 This specification sets the intent for quality, performance and appearance.
1.02 Quality Assurance:
1.02.01 The manufacturer maintains a testing facility at their place of business for the
performance testing of bench-mounted Class II, Type A2 safety cabinets. Both safety
cabinet and installation are in conformance to good construction practice and
approved by the owner/user. The test facility as well as the manufacturing facility must
be available for owner/user inspection and its quality control procedures. All safety
cabinets wired for 115 volts, 60 Hz are built to meet or exceed the minimum
requirements of NSF Standard 49 and bear the NSF Mark. All safety cabinets wired for
115 volts, 60 Hz meet or exceed all minimum requirements of UL Standard 3101-1
and CAN/CSA C22.2 No. 1010.1-92 and carry the ETL Testing Laboratories seal in the
U.S. and Canada. All safety cabinets wired for 230 volts, 50 Hz conform to the
following CE (European Community) requirements: Electrical Safety Standard: IEC
1010-1 and Electromagnetic Compatibility Directive: 89/336/EEC.
1.03 References:
1.03.01 The bench-mounted Class II, Type A2 safety cabinets conform to the following
regulations and standards:
NSF International -- Standard 49 for Biohazard Cabinetry (115 volt, 60 Hz models only)
UL -- Standard 3101-1 (115 volts, 60 Hz models only)
CAN/CSA -- C22.2 No. 1010.1-92 (115 volt, 60 Hz models only) European Community - Electrical Safety Standard: IEC 1010-1 and Electromagnetic Compatibility Directive:
89/336/EEC (230 volt, 50 Hz models only)
1.04 Submittals:
1.04.01 Bench-mounted Class II, Type A2 biological safety cabinet specification sheets
and product manuals are submitted by the manufacturer upon request. The safety cabinet
supplier submits shop drawings when necessary for clarification.
1.04.02 A copy of the test results conducted prior to shipping ensures compliance with
NSF 49 and is shipped with each cabinet.
1.05 Delivery and Storage:
1.05.01 Bench-mounted Class II, Type A2 biological safety cabinets are delivered
adequately protected from damage during shipment.
1.06 Warranty
1.06.01 Manufacturer's warranty against defects in material or workmanship on its
biological safety cabinets for 3 years from date of installation or 4 years from date of
purchase, whichever is sooner, includes replacement of parts (except HEPA filters
and lamps) and labor.
PART 2 - PRODUCTS
2.01 Acceptable Manufacturer:
2.01.01 Labconco Corporation, 8811 Prospect Avenue, Kansas City, Missouri 64132,
Purifier® Logic® Series Class II, Type A2 Safety Cabinets, model numbers as described
below:
3 Foot Models: 3430000, 3430001, 3430800, 3430801, 3430810, 3430811, 3430820,
3430821
4 Foot Models: 3440000, 3440001, 3440800, 3440801, 3440810, 3440811, 3440820,
3440821, 3440830, 3440831
5 Foot Models: 3450000, 3450001, 3450800, 3450801, 3450810, 3450811, 3450820,
3450821
6 Foot Models: 3460000, 3460001, 3460800, 3460801, 3460810, 3460811, 3460820,
3460821
2.02 Materials:
2.02.01 Unitized single-frame construction. The interior walls are 16 gauge, Type 304
stainless steel. The work surface is 18 gauge, Type 304 stainless steel.
2.02.02 Liner is 16 gauge Type 304 stainless steel. Liner assembly has an integral face
flange for sealing the cabinet during decontamination and pressure test operations.
2.02.03 Exterior panels are baked dry, epoxy powder-coated, and 18 gauge cold rolled
steel with no exposed bolts or nuts.
2.02.04 HEPA filters have a minimum of 99.99% efficient on all particles 0.3µm. HEPA
filters are industry-standard size.
2.02.05 Fluorescent lighting provides 90 to 100 foot-candles on work surface as per NSF 49.
2.02.06 Sash is 1/4" thick tempered safety glass.
2.02.07 Wiring harnesses is color coded and alphanumerically labeled for identification.
Removable wire tags are not used.
2.02.08 Motor is thermally protected, ECM type. 3- and 4-foot models have a ½ hp motor.
5- and 6- foot models have a ¾ hp motor. Motor has resilient mounted bearings. Bushings
are not acceptable.
2.02.9 Electrical duplexes with interlocking ground fault interruption and all other
electrical receptacles have splash covers and location is ADA compliant.
2.02.10 Internal ductwork is galvanized steel or stainless steel. Flexible plastic plenums
are not acceptable.
2.02.11 Internal air balancing system is of guillotine type.
2.02.12 Drain trough beneath the work tray is equipped with a 3/8" ball-type drain valve.
2.02.13 Optional service fixture (on models with fixture) is quarter-turn, ball valve,
constructed of chrome-plated brass and location is ADA compliant.
2.02.14 Optional ultraviolet light (on models with UV light) is a 254 nanometer
germicidal lamp.
2.02.15 Optional adjustable height base stand (not included with cabinet) is epoxycoated steel and ADA compliant.
2.02.16 Optional seismic base stand is epoxy-coated steel and available in two heights.
2.03 Fabrication:
2.03.01 Overall exterior dimensional information on bench top biological safety cabinets
is as described in the table.
2.03.02 Exterior front panel slopes approximately 10° and has no visibility-interfering
protrusions.
2.03.03 Control panel with touchpad controls for system operations (blower, lights and
mute) are ADA compliant.
2.03.04 The dished work surface is of single piece stamped construction with no welding,
silicone sealant or solder used to seal any surface. All internal radiuses are 1/2" or greater.
2.03.05 ECM motor is programmed to deliver a precise volume of air as required and
automatically adjusts as filters load without relying on airflow sensors. Systems using
airflow sensors to control blower speed are not acceptable.
2.03.06 LCD information center displays:
Cabinet status
Alarm conditions
Filter life remaining bar graph that displays the percentage of HEPA filter remaining
Timer
2.03.07 Perforated exhaust filter cap protects the exhaust HEPA filter.
2.03.08 Air-Wave™ Entry System consists of air foil and side post and provides less
resistance to airflow at the access opening for better containment.
2.03.09 Contain-Air™ Negative Pressure Channel located at the top of the sash opening
prevents loss of containment at the top of the sash. Mechanical wipers at the top of the
work area are not acceptable.
2.03.10 Reserve-Air™ Secondary Airflow Slots located in the air foil draw air into the
Purifier should the operator inadvertently block the grille area.
2.03.11 Cabinet assembly is constructed such that all positive pressure contaminated
plenums are surrounded by negative pressure plenums. Cabinet is designed such that all
major service operations can be performed from the front of the cabinet.
2.03.12 Cabinet has true laminar (uniform) downflow as defined in NSF Standard 49.
2.03.13 Nominal downflow is 55 ± fpm and nominal inflow is 105 ± fpm.
2.03.14 Supply and exhaust HEPA filters are secured in the upper cabinet assembly
by clamps. HEPA filters are removable from the front of the cabinet.
2.03.15 Sash is angled 10° and sliding, capable of moving to a fully closed position when
cabinet is not in operation. Sash is counterweighted with an anti-racking mechanism.
Sash does not require removal for routine filter or motor/blower service.
2.03.16 The audible/visual alarm indicator and mute switch are ADA compliant. The
audible/visual alarm indicator activates when the sash is raised above its optimum
operating level such as during loading and unloading of materials. The mute switch
temporarily silences the audio alarm.
2.03.17 All major electronic components (ballasts, starters, switches, motor capacitors,
circuit breakers) are housed in a removable module for service or testing, located at the
top of the cabinet.
2.03.18 Motor mounting system is a band-style with stamped steel legs with integral
vibration isolation.
2.03.19 Two electrical duplex outlets with interlocking ground fault interruption and
splash covers are mounted one on either side of the interior liner.
2.03.20 A 9.5-foot power cord connects to the cabinet by a suitable keyed connector
(IEC 320 AC inlet connector or equivalent). Permanently attached cords with strain relief
connectors are not used. Six foot models for operation on 100 or 115 volts have an 8-foot
power cord.
2.03.21 The UV light is operable only when the sash is closed.
2.03.23 Sound level is 67 dbA or less when measured in accordance to NSF Standard 49.
2.03.24 The cabinet accommodates up to 4 service fixtures.
2.03.25 Optional adjustable-height base stand (not included with cabinet) provides a
working height from 30" to 36". Dimensions are as follows:
Nominal Dimensions
3-ft. wide: 38.5" w x 29.25" d x 27.5-33.5" h
4-ft. wide: 50.5" w x 29.25" d x 27.5-33.5" h
5-ft. wide: 62.5" w x 29.25" d x 27.5-33.5" h
6-ft. wide: 74.5" w x 29.25" d x 27.5-33.5" h
2.03.26 Optional seismic base stand (not included with cabinet) is available in two
heights, 30" and 36". Dimensions are as follows:
Nominal Dimensions
3-ft. wide: 38.5" w x 29.25" d x 30" h or 36" h
4-ft. wide: 50.5" w x 29.25" d x 30" h or 36" h
5-ft. wide: 62.5" w x 29.25" d x 30" h or 36" h
6-ft. wide: 74.5" w x 29.25" d x 30" h or 36" h
2.03.27 Optional Canopy Connection Kit and Air-Tight Damper (not included with
cabinet) for thimble ducting the Purifier to the outside is available.
2.03.27 Optional built-in airflow monitor is available (contact Labconco).
PART 3 - EXECUTION
3.01 Inspection
3.01.01 Carefully check the contents of the carton for damage that might have occurred in
transit.
3.02 Preparation
3.02.01 Verify equipment rough-in before proceeding with work.
3.02.02 Coordinate with other trades for the proper and correct installation of plumbing
and electrical rough-in and for rough opening dimensions required for the installation of
the hood.
3.03 Installation
3.03.01 Install according to manufacturer's instructions.
3.03.02 Install according to standards required by authority having jurisdiction.
3.03.03 Install equipment plumb, square and straight with no distortion and securely
anchor as required.
3.03.04 Sequence installation to ensure utility connections are achieved in an orderly and
expeditious manner.
3.03.05 Touch up minor damaged surfaces caused by installation. Replace damaged
components as directed by Architect.
3.04 Field Quality Control
3.04.01 A qualified independent certifier should certify the cabinet before use. The
certifier should perform tests as recommended in NSF International Standard Number 49.
3.05 Cleaning
305.01 Clean equipment, casework, countertops and all other surfaces as recommended
by the manufacturer, rendering all work in a new and unused appearance.
3.05.02 Clean adjacent construction and surfaces, which may have been soiled in the
course of installation of work in this section.
3.06 Protection
3.06.01 Provide all necessary protective measures to prevent exposure of equipment and
surfaces from exposure to other construction activity.
3.06.02 Advise contractor of procedures and precautions for protection of material and
installed equipment and casework from damage by work of other trades.