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Explosion-Proof Powered Air-Supply Long Hose Respirator

Product Overview
This powered air-supply long hose respirator is designed for occupational respiratory protection, effectively filtering harmful gases, dust, smoke, and other pollutants, while compensating for low-oxygen hazards. It is suitable for industries such as chemical, petrochemical, pharmaceutical, gas plants, and urban underground construction, especially during tank maintenance or confined-space operations.

  • Compliant with GB6220-2023 "Respiratory Protection — Long Hose Respirators"
  • Certified with a national-level inspection report
  • Fully compliant with GB/T3836.1-2021and GB/T3836.4-2021 explosion-proof standards
  • Explosion-proof mark: Ex ib IIC T4 Gb

Product Advantages

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  1. Product Components
  • Full-face mask
  • Silicone corrugated hose
  • High-flow adjustment valve
  • Waist belt
  • Air-supply long hose
  • Explosion-proof air blower
  1. Facepiece Features
  • Large-view, impact-resistant spherical window
  • Automatic anti-fog system
  • Total field of view ≥ 80%; binocular field ≥ 60%; light transmittance ≥ 90%; lower field ≥ 40°
  • Five-point adjustable hood
  • CO₂ content in inhaled air ≤ 1%
  • Total leakage rate ≤ 0.05%
  1. Air-Supply Hose
  • Standard length: 10 meters
  • Supports single or dual-user operation
  • Minimum airflow: 130 L/min
  1. Casing & Design
  • Aluminum alloy housing with anodized finish
  • Lightweight, corrosion-resistant, compact, and visually appealing
  1. Safety Interface
  • Self-locking, waterproof connector
  • Prevents accidental disconnection during charging and use, avoiding sparks
  1. Filter & Indicator
  • Dedicated filter status indicator
  • Theoretical filter life: 300 hours
  • Green-to-red light transition with buzzer alerts when replacement is needed
  • Replaceable activated carbon filter pads for efficient dust and gas filtration
  1. Air Blower
  • Explosion-proof brushless centrifugal design
  • Manual airflow adjustment with green (high) and yellow (low) indicator lights
  • Noise level ≤ 80 dB
  1. Usage Environment
  • Intended for use in environments with oxygen content ≥ 19% to supply filtered air for safe breathing
About Us
Nantong Kaen Safety Equipment Co., Ltd.
Nantong Kaen Safety Equipment Co., Ltd.
Nantong Kaen Safety Equipment Co., Ltd. is a professional enterprise specializing in the production and sales of fire safety protection equipment. It is located in Haian, a renowned county in Jiangsu Province, and situated within the National Economic Development Zone of Haian, Jiangsu, with convenient transportation and well-developed logistics networks.
Covering a floor area of 5,000 square meters, our company is equipped with modern and advanced production equipment and a team of professional management personnel. We have obtained the ISO9001 International Quality Management System Certification, and our products have passed the CE, CCCF, and other relevant certifications. Endowed with strong technical strength, we now have 36 technical personnel, including 5 senior engineers and 8 engineers. Our robust technical capabilities provide a solid guarantee for product after-sales services. However, the existing safety product service sector is still far from fully addressing people's demands for fire protection, safety,y and occupational health in work and daily life.
As one of the leading manufacturers in the fire protection industry, Nantong Kaen Safety Equipment Co., Ltd. specializes in the R&D, production and sales of a full range of products, including air breathing apparatus series, fire helmet series, fall protection series (rescue tripods, safety ropes), hydraulic breaking and dismantling tool sets, personal protective equipment and other special protection equipment and facilities.
Our products are widely applied in the fire protection, metallurgy, chemical industry, military, police, and other public safety sectors. We provide customers with 24/7 uninterrupted services and always adhere to the three core principles: the most favorable price, superior quality,y and excellent service.
We are dedicated to providing first-class fire safety equipment and high-quality after-sales services for customers at home and abroad, and we look forward to cooperating with people from all walks of life.
We know we must go all out!
Kaen is your safety guardian, and Kaen will be with you forever!
Certificate Of Honor
  • Quality Management System Certificate
  • Certification Certificate for Fire Products
  • Environmental Management System Certificate
  • Verification of Conformity
  • Verification of Conformity
  • Occupational Health And Safety Management System Certificate
  • Certification Certificate for Fire Protection Products
  • Attestation
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