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New Tuttnauer 3870HSG-WS Medical Grade, Pre-Post Vacuum Class B Autoclave
Product code: NT3870HSG
Ideal Sterilizer for Ambulatory Surgery Centers,
Large Medical or Dental Clinics, and Veterinary Hospitals.
The 3870HSG-WS comes with (4) FDA cleared cycles: unwrapped instruments, wrapped instruments, unwrapped delicate instruments, wrapped delicate instruments. Also included are two test cycles, Bowie Dick and Vacuum test.
Up to 16 additional custom cycles can be programmed.
Why Choose the Tuttnauer 3870HSG-WS?
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Large 85L chamber for higher-volume loads
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Class B pre & post vacuum for efficient air removal and drying
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Plug-and-play installation for flexible placement
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Water Saving WS system designed for reduced daily water use (uses up to 5 Liters per day)
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4 FDA cleared cycles plus Bowie Dick and Vacuum test cycles
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Up to 16 programmable custom cycles
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Built for medical, dental, and veterinary facilities
- Mobile: wheeled-in delivered
- Compact: narrow design
Pre & Post vacuum performance (Class B) is achieved with a built-in vacuum pump used for fractionated pre vacuum air removal eliminating air pockets from all load types and maximizing efficient steam penetration throughout the entire load.
After the sterilization stage the vacuum pump is used for post-vacuum drying, resulting in bone-dry load at the end of the cycle.
Comparison Section vs Midmark / SciCan / Priorclave
Tuttnauer 3870HSG-WS vs Other Sterilizer Brands
The Tuttnauer 3870HSG-WS is built for facilities that need large chamber capacity, Class B pre-post vacuum performance, and medical-grade compliance in a compact freestanding unit. For buyers comparing Tuttnauer vs Midmark, SciCan, or Priorclave, the 3870HSG-WS stands out for its 85L chamber, plug-and-play design, water-saving WS system, and programmable cycle flexibility. It is especially well suited for ambulatory surgery centers, large dental clinics, and veterinary hospitals that need more throughput than smaller tabletop sterilizers can provide.
WARRANTY: 12 months parts only
Best Fit by Facility Type
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Tuttnauer 3870HSG-WS: Best for surgery centers, large clinics, and facilities needing a freestanding high-capacity Class B sterilizer
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Midmark comparison: Often considered when buyers are comparing sterilizers for medical and dental workflows
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SciCan comparison: Often researched by buyers focused on instrument turnaround and sterilization options
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Priorclave comparison: Often reviewed by buyers needing larger-format sterilization solutions
Technical Specs
- Chamber Size: 15" x 30"
- Volume: 22 gal (85 L)
- Dimensions (W x H x D): 28.4" x 53.8" x 46.5"
- Trays: 2
- Tray Size (W x H x D):
- Small: 11.3" x 1" x 26.6"
- Large: 13.8" x 1" x 26.6"
- Standard Unwrapped Cycle Time: Cold: 32 Min. Hot: 23 Min.
- Electrical: 3-phase, 25 Amp
- Voltage: 230V
- Frequency: 60 Hz
- Power: 9 kW / 3000W
- Current: 25A
- Weight: 701
Tuttnauer 3870HSG Class B Autoclave Brochure
Tuttnauer 3870HSG-WS Operators Manual
Tuttnauer complies with the strictest international standards and directives.
Quality Standards:
ISO 9001:2015 - Quality Management Systems
EN ISO 13485:2016 Quality Management System –
Medical Devices
In compliance with 21 CFR part 820 & part 11
Directives:
MDD 93/42/EEC amended in Directive 2007/47/EEC
PED 2014/68/EU - Pressure Equipment Directive
2012/19/EU WEEE and 2017/2102 RoHS
Technical Standards:
EN 285: 2015 Large steam sterilizer
EN 61010-1: 2010
EN 61326-1: 2013
EN 61010-2-40: 2015
FDA Approved
ANSI/AAMI/ST8:2013 (R2018)
ANSI/AAMI - ST55:2016
ASME Code section I and section VIII. Div.I
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Features
Q. 1. What type of facilities is the Tuttnauer 3870HSG-WS designed for?
A. It is ideal for ambulatory surgery centers, large dental practices, and veterinary hospitals requiring high-capacity, hospital-grade sterilization.
Q. What makes the 3870HSG-WS a Class B autoclave?
A. It uses a built-in vacuum pump for fractionated pre-vacuum air removal and post-vacuum drying, ensuring full steam penetration for all load types.
Q. How large is the chamber capacity?
A. The unit features an 85L (22.5 gallon) chamber with dimensions of 15" x 30", allowing for high-volume instrument processing.
Q. What sterilization cycles are included?
A. It includes 4 FDA cleared cycles (wrapped, unwrapped, delicate loads) plus Bowie Dick and Vacuum test cycles, with up to 16 programmable options.
Q. Does the autoclave require plumbing or special installation?
A. The plug-and-play design allows operation without direct connection to utilities, depending on facility requirements.
Q. What is the benefit of the water-saving (WS) system?
A. The WS system reduces water consumption to approximately 5 liters per day, lowering operating costs and environmental impact.
Q. How effective is the drying process?
A. The closed-door post-vacuum drying system produces completely dry loads at the end of each cycle, reducing contamination risk.
Q. How long does a typical sterilization cycle take?
A. Standard unwrapped cycles range from approximately 23 minutes (hot start) to 32 minutes (cold start), depending on load conditions.
Q. What compliance standards does the 3870HSG-WS meet?
A. It complies with ISO 9001, ISO 13485, EN 285, ANSI/AAMI standards, and FDA requirements for medical sterilization.
Q. What are the advantages over tabletop autoclaves?
A. The larger chamber capacity, Class B vacuum performance, and programmable cycles allow for higher throughput and more versatile sterilization compared to smaller units.
Q. What is a Bowie Dick test cycle used for?
A. A Bowie Dick test cycle is used to evaluate air removal and steam penetration performance in pre-vacuum sterilizers.
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