Unisteri

Compact Swing Door Laboratory Sterilizers

Unisteri swing door sterilizers are available in three sizes all providing a compact footprint to help optimize available floorspace in your laboratory. The Unisteri is ideal for sterilizing a range of laboratory materials, such as instruments, textiles, rubber goods, liquids agars, and animal diet and cages. With a range of options, including recessed wall mounting, EN285 compliant air detectors, and effluent sterilization cycles, Unisteri sterilizers can be configured to match your exact requirements while providing exceptional value.
Unisteri Laboratory Steam Sterilizer

Safe & effective sterilization of laboratory media & equipment

Chamber Construction

Unisteri sterilizers are equipped with chambers made entirely of 316L stainless steel for superior durability. The chamber is constructed in accordance with ASME Section VIII, Division 1, for unfired pressure vessels and so stamped for 45 psig/144°C design temperature and full vacuum. The chamber is rectangular in design and jacketed. Steam baffles are equipped in the chamber to minimize wetting by condensate and ensure proper steam distribution within the chamber. The chamber floor is slopped toward the drain to allow for complete drainage of condensate.

The chamber jacket is constructed of 316Ti stainless steel for superior corrosion resistance to plant steam. The jacket is utilized to preheat the chamber prior to sterilization and aids in reduction of condensate. The heated jacket also helps during the drying phase of the cycle for textiles or other porous loads. As an option, the jacket can be utilized to aid in cooling liquid loads by applying cooling water to the jacket.

Compact Footprint

Space saving design – less floor space required. Single-door or double-door pass-through versions available.

Stainless Steel Construction

316L stainless steel chamber and piping with a 316Ti jacket for corrosion free operation.

Energy Efficient

The chamber and piping are fully insulated to help reduce utility consumption. Equipped water recirculation system reduces water consumption by up to 75%

Microprocessor Controls

Double microprocessor controls and instrumentation with a 8.4″ color touch screen.

Door Locking System

Automatic motor driven door locking system. Double pressure sensors ensure the chamber is equalized to atmosphere before the door(s) can be unlocked.

Unisteri Sterilization Cycles

Unisteri sterilizers can be programmed with any combination of the sterilization cycles described below with configurable parameters for each cycle phase. The programmed cycle recipe is stored in the sterilizer’s control system memory and is recalled and started with the touch of a button on the operator interface. All recipes are also protected from unauthorized changes via a multi-level authentication system.

The dry good cycle provides effective sterilization of hard goods, filters, linens, and other porous materials, wrapped goods, and products that are unaffected by vacuum. The load is preconditioned utilizing vacuum and steam pulses. The cycle then advances to heat-up and continues until it reaches the settable exposure temperature of 110­°C up to 135°C. Once the exposure temperature set point is reached, the controller counts down the exposure time. After the exposure time is completed, drying begins and can be accomplished by fast exhaust and pulling a deep vacuum to remove moisture.

This cycle provides effective sterilization of rubber stoppers, hoses, and other material where trapped moisture can be difficult to remove. The load is preconditioned utilizing vacuum and steam pulses. The cycle then advances to heat-up and continues until it reaches the settable exposure temperature of 110°C up to 135°C. Once the exposure time is completed, drying begins and is accomplished by fast exhaust, vacuum, and air pulses which are highly effective at removing moisture from the load. To aid drying further, the air can be heated.

The solution cycle with gravity effectively sterilizes liquid products or items in vented or sealed glass containers. The load is preconditioned utilizing steam pulses. The cycle then advances to heat-up and continues until it reaches the settable exposure temperature of 110°C up to 135°C. Once the exposure temperature set point is reached, the controller counts down the exposure time. After the exposure time is completed, exhaust ramping gradually returns liquids to a temperature below boiling.

The solution cycle with gravity effectively sterilizes liquid products or items in vented or sealed glass containers. The load is preconditioned utilizing steam pulses. The cycle then advances to heat-up and continues until it reaches the settable exposure temperature of 110°C up to 135°C. Once the exposure temperature set point is reached, the controller counts down the exposure time. After the exposure time is completed, cooling of the product is started by injecting air at a pressure similar to that of the product to avoid breakage of the container. Cold water is introduced to the jacket of the chamber to help cool the product at a faster rate.
Sterivap sterilizers can be equipped with optional effluent sterilization cycles suitable for BSL-3 laboratory applications. During effluent sterilization cycles, all steam effluent is captured, filtered, and sterilized prior to being drained out the chamber, ensuring laboratory staff and the environment are further protected from contamination.

Sterilizer Loading Equipment

BMT USA manufactures stainless steel loading equipment in standard or custom designs to accommodate any type of load. Our smaller chamber sizes can be equipped with wire or perforated shelves or loading racks, while large chambers can be equipped with loading carts and transfer trolleys. Large pit-mounted chamber include options for tracks and rub rails that can be designed to work with almost any type of wheel configuration on existing equipment. Carts with drop down wheels are also available for rooms with limited space.

Unisteri Chamber Sizes

Model

Chamber Dimensions

(W X H X D)

External Dimensions

(W X H X D)

Chamber Volume

(ft³/Liters)

Doors

Single or Pass-Through
336-1

Chamber Dimensions

12.5″ x 12.5″x 24.6″
320 x 320 x 625 mm

External Dimensions

23.6″ x 59″ x 31.6″
600 x 1500 x 805 mm

Chamber Volume

2.57ft³/73L

Door Slide Direction

Single
336-2

Chamber Dimensions

12.5″ x 12.5″x 24.6″
320 x 320 x 625 mm

External Dimensions

23.6″ x 59″ x 33.8″
600 x 1500 x 860 mm

Chamber Volume

2.57ft³/73L

Door Slide Direction

Pass-Through
636-1

Chamber Dimensions

13.8″ x 26.4″ x 27.6″
350 x 670 x 700 mm

External Dimensions

27.2″ x 67.7″ x 38″
690 x 1720 x 965 mm

Chamber Volume

5.65ft³/160L

Door Slide Direction

Single
636-2

Chamber Dimensions

13.8″ x 26.4″ x 27.6″
350 x 670 x 700 mm

External Dimensions

27.2″ x 67.7″ x 40″
690 x 1720 x 1020 mm

Chamber Volume

5.65ft³/160L

Door Slide Direction

Pass-Through
559-1

Chamber Dimensions

20″ x 20″ x 38″
509 x 509 x 965 mm

External Dimensions

33.5″ x 67.7″ x 49.4″
850 x 1720 x 1255 mm

Chamber Volume

8.97ft³/254L

Door Slide Direction

Single
559-2

Chamber Dimensions

20″ x 20″ x 38″
509 x 509 x 965 mm

External Dimensions

33.5″ x 67.7″ x 51.5″
850 x 1720 x 1310 mm

Chamber Volume

8.97ft³/254L

Door Slide Direction

Pass-Through

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