Manufacturer: KOKEN LTD.
Model: Touden Vitas Type II

OVERVIEW OF VITAS COMPRESSED AIR BREATHING APPARATUS

• This is a Self-Contained Breathing Apparatus (SCBA), where the user carries a high-pressure compressed air cylinder (hereinafter referred to as the cylinder). The pressure is reduced in 2 stages to ambient pressure to provide clean air to the wearer. The device allows for safe operation without inhaling air in a hazardous working environment.
• Because the air is supplied from the cylinder carried by the user, the range of movement is not restricted like airline masks, allowing use over a wide area. (However, the usage time will be limited by the amount of air in the cylinder).
• Complies with the JIS T 8155 standard.

HARNESS SECTION (CARRIER)

Excellent wearability thanks to an ergonomic design.

Burden on shoulders and lower back significantly reduced through load distribution (Series III)
The harness backplate is made of high-strength polyethylene plastic, features a 3D curve, is lightweight, and provides an excellent wearing feel. Wide lumbar pads and wide shoulder pads support the cylinder, distributing the weight acting on the wearer’s back, shoulders, chest, and lower back, thereby significantly reducing the burden during work and improving the fit.

Alarm Whistle Focus on safety and audibility

Assuming use in noisy sites, the alarm whistle is positioned close to the ear.

Pressure Gauge Can be checked even in the dark

The pressure gauge uses luminous paint, allowing users to check the scale graduations even in the dark.

Saver (Auxiliary Mask) [Optional]

Rescue Saver can be installed
This is a Saver (auxiliary mask) that can supply air from the cylinder to the victim during a rescue.
(A Saver coupling is required for the auxiliary mask. Also, it cannot be used for the Vitas anti-static/grounded type).

Pressure Reducer 29.4MPa Specification, Lightweight and Compact (Series III)

Vitas III has standardized the pressure reducer specifications at 29.4MPa. Functionality is enhanced thanks to a compact, lightweight design that eliminates redundant parts. The medium-pressure hose is a one-piece type that improves work efficiency. A Saver coupling can be connected. (Saver coupling specification is built-to-order).

One-Touch Cylinder Band Supports quick cylinder replacement

The one-touch buckle allows for quick cylinder replacement (comes with a safety lock mechanism). Most types of cylinders for breathing apparatuses can be installed by adjusting the mounting bracket.

Demand Valve

The Vitas demand valve has a large maximum flow rate, allowing sufficient respiration even during heavy work. Because the inhalation resistance remains almost unchanged even when the supplied air pressure changes, users can breathe smoothly.

There are 2 types of demand valves

Demand pressure type <Automatic> (Automatic positive pressure) – III-A

Demand pressure type (Manual switching) – III-P

Facepiece High Scope V Type Mask

Uses a highly airtight HAWC lip

HAWC lip face contact part

Equipped with a speech diaphragm (voice emitter)

Uses the “HAWC lip※” with a wide, flexible lip and a special curved face contact shape, creating our company’s unique suction cup effect. Achieves high airtightness, wide field of vision, and lightweight. Comes with a speech diaphragm that allows conversation even while wearing the mask.

※Abbreviation for High Adaptable Wide Concave

■ Head Harness – Selectable from 2 types

Superior in quick donning and stability.
Mesh Harness Type

Provides a secure wearing feel. (Standard specification).
Rubber Harness Type

Vitas Anti-Static Line

Touden Vitas Type II – Demand Pressure Type

(Vitas Anti-Static/Conductive Line)

Standard: Complies with JIS T 8155
Assigned Protection Factor: 10000

Prevents explosion accidents caused by electrostatic discharge sparks

Static electricity generated on the breathing apparatus due to friction, etc., is conducted through the mask to the human body and released to the ground through the feet (anti-static shoes). Please use this product as a safety measure when working in environments with a risk of fire/explosion or in workplaces that require countermeasures against static electricity.

• Mask unit: Every part is conductively treated, creating a structure that is difficult to accumulate static charge.
• Metal parts: Covered with conductively treated rubber covers, preventing the generation of sparks due to discharge or impact.
• Harness section: Uses anti-static materials, helping to release static electricity through corona discharge (self-discharge).
• Rubber parts and backplate: Also use conductive materials to suppress the generation of static electricity.

Cylinders for Touden Vitas

Maverick ASG815 for Touden Vitas
(Aluminum alloy GFRP cylinder)

Important Note: The Touden Vitas Type II (Anti-Static Vitas II) line can only be equipped with dedicated cylinders for Touden Vitas. Features: This cylinder has a conductively treated rubber cover attached to the stop valve handle. Other than this detail, the specifications are the same as the standard Maverick ASG815 model.

Specifications:

• Volume: Approx. 8.4 liters
• Maximum charging pressure: 14.7 MPa
• Weight: Approx. 6.2 kg

■ Flow of static electricity

■ Specifications

(※Note 1) Usage time may vary depending on working conditions, breathing rate, cylinder charging pressure, etc.
(※Note 2) Do not use cylinders other than the dedicated anti-static cylinders for Vitas.

DANGER
Cannot be used in environments with flammable substances (such as Hydrogen or Acetylene gas, etc.) with a minimum ignition energy of less than 0.1mJ (millijoules).
Even when using a combination of Touden Vitas (conductive Vitas) and anti-static shoes, if the leakage resistance of the floor is extremely high, the anti-static effect will not be achieved.
(According to the “Electrostatic Safety Guidelines” by the National Institute of Occupational Safety and Health, Japan (JNIOSH), the leakage resistance of the work floor in places with a risk of fire or explosion is recommended to be $10^8 \Omega$ or less).

■ Performance related to preventing electrostatic charge (leakage resistance): approx. 1.5 × 10⁷ Ω※

Leakage resistance is the resistance between the object and the ground. For the purpose of preventing the electrostatic charging of conductors, the required leakage resistance is specified as ≤ 10⁸ Ω according to the “Electrostatic Safety Guidelines” by the National Institute of Occupational Safety and Health (Japan).

※Wearing anti-static clothing and anti-static shoes, with this product equipped, stand on a grounded metal plate, and measure the leakage resistance from the toe contact point to the pedal (according to our company’s internal measurement method).

Mandatory Note
To achieve the effect of preventing electrostatic charge, please always use in combination with dedicated anti-static safety shoes (with a resistance value in the range of 10⁵ ~ 10⁷ Ω).