18L/23LClass B Dental Autoclave with Built-in Printer

What is a Class B Dental Autoclave?

A Class B autoclave (also known as a "Class B sterilizer") is a type of steam sterilizer that uses a vacuum pump to remove all air from the chamber before introducing steam. This ensures that steam, which is the sterilizing agent, can penetrate even the most complex instruments and porous loads.

The "B" stands for "Big" small sterilizers, a classification from the European standard EN 13060, which has become the global benchmark for dental and medical sterilizers.

The Key Differentiator: The Pre-Vacuum Cycle

The defining feature of a Class B autoclave is its pre-vacuum or vacuum phase.

• How it works: The machine actively sucks out all the air from the sterilization chamber, creating a deep vacuum. It then injects steam under pressure. This process may be repeated in pulses to ensure no air pockets remain.

• Why it's critical: Air is the enemy of steam sterilization. If air is trapped inside a chamber or, more importantly, inside a long, narrow lumen (the hollow tube of a dental handpiece), the steam cannot reach all surfaces, and sterilization will fail.

Analogy: Think of trying to steam a solid potato vs. a porous sponge. Steam will easily envelop the potato. But to sterilize the deep pores of the sponge, you must first remove all the air trapped inside it. A Class B autoclave is designed to "sterilize the sponge."

The Sterilization Cycle Steps

A typical Class B cycle follows a precise sequence:

1. Pre-Vacuum Phase: Air is removed from the chamber by a vacuum pump.

2. Steam Injection: Pressurized steam is injected into the now air-free chamber.

3. Sterilization Phase (Exposure): The temperature is maintained at a standard 134-137°C (273-279°F) for a holding time of 3 to 5 minutes under corresponding pressure.

4. Drying Phase: The steam is evacuated, and a final vacuum is pulled, which rapidly dries the instruments and pouches, making them safe to handle and store.

Ultra modern design:

1.  7 inch full-color touch LCD screen

2. The operation is simple, fast, be clear at a glance

Opening Function:

1. Opening storage tank, waste water tank, easy to clean.

2. Large capacity, 3.5L storage tank, 3L waste water tank.

Test function:

1. B&D test, the stem leakage test.

2.Vacuum test, test the pot body tightness.

  Recording mode:

  1.Built-in printer: End of work, can automatically print work information, date and time.

  2.USB:Built USB interface, end of the work, the information stored in the U disk automatically

 Concealment type interface:

  1.Drain valve, output interface conceal. Concise and easy appearance.

  2.Each interface front cover is open, easy to operate.

Chamber puched by stainless stell(#304), non-welded.

Automatic door lock system, easy operating, to ensure safety