Weltek Navitek S4 Welding & Grinding PAPR System

The Weltek Navitek S4 Welding & Grinding PAPR System combines advanced respiratory protection, true colour welding technology and one of the largest grinding visors available. Featuring a lightweight helmet, 160° side vision and the Airkos® powered air respirator, it provides exceptional comfort, visibility and protection for professional welders.

£545.00 exc. VAT

£654.00

Weltek Navitek S4 Welding & Grinding PAPR System

The Weltek Navitek S4 Welding & Grinding PAPR System is a premium powered air-purifying respirator (PAPR) system designed for welders who require superior respiratory protection, exceptional visibility and all-day comfort.

Combining the advanced Navitek S4 auto-darkening welding helmet with the Airkos® powered air filtration unit, this complete system provides reliable protection against welding fumes and airborne particles while delivering outstanding optical clarity for both welding and grinding applications.

Whether you're working in fabrication, manufacturing, maintenance or heavy engineering, the Navitek S4 helps you work safer, longer and more comfortably.

Advanced Welding & Grinding Protection

The Navitek S4 is designed to perform equally well during welding and grinding operations.

The large 1mm polycarbonate grinding visor offers:

  • Exceptional visibility
  • Full face protection
  • EN166B compliance
  • EN175B grinding certification

making it one of the most versatile welding and grinding systems available.

True Colour Auto-Darkening Technology

The high-performance auto-darkening filter delivers exceptional optical clarity, helping operators see the weld pool more naturally and accurately.

Features include:

  • True Colour technology
  • DIN 9–13 variable shade range
  • DIN 4 light state
  • 93 x 43mm viewing area
  • 4 arc sensors
  • 0.2 millisecond switching speed

The result is improved weld quality, reduced eye strain and enhanced operator confidence.

Wide 160° Side Vision

Integrated DIN 5 side vision panels dramatically expand the field of view to approximately 160°, helping improve awareness of the surrounding workspace.

Benefits include:

  • Improved visibility
  • Increased safety
  • Better spatial awareness
  • Reduced need to reposition

Lightweight All-Day Comfort

Weighing only 581g, the Navitek S4 is designed for extended use.

The ergonomic helmet design provides protection for:

  • Forehead
  • Ears
  • Neck

while reducing strain and fatigue during long working shifts.

Fully Adjustable Welding Controls

Internal controls allow users to fine-tune helmet performance for different welding applications.

Adjustable settings include:

  • Shade selection
  • Sensitivity adjustment
  • Delay adjustment

making the helmet suitable for:

  • MIG/MAG welding
  • TIG welding
  • MMA welding
  • General fabrication

Airkos® Powered Respiratory Protection

The supplied Airkos® blower unit provides filtered airflow directly to the helmet, helping protect the user from harmful welding fumes and airborne particles.

The system offers:

  • 20 APF (Assigned Protection Factor)
  • Equivalent protection to FFP3 standards
  • EN12941 compliance

This provides significantly higher protection than many disposable respirators.

Intelligent Airflow Management

The Airkos® system includes two airflow settings:

  • 180 litres per minute
  • 220 litres per minute

allowing users to choose the most comfortable airflow for their working environment.

Visual & Audible Safety Alerts

For maximum safety, the blower unit features:

  • Low battery alarms
  • Filter blockage alarms
  • Audible warnings
  • Visual warning indicators

helping ensure the system continues operating effectively.

Long Battery Runtime

The supplied rechargeable lithium-ion battery delivers:

  • Up to 10 hours runtime (standard battery)

An optional heavy-duty battery is available offering:

  • Up to 14 hours runtime

for longer working shifts.

Key Features

  • Complete welding and grinding PAPR system
  • True Colour auto-darkening filter
  • Large 93 x 43mm viewing area
  • Variable shade DIN 9–13
  • DIN 4 light state
  • 160° side vision panels
  • Lightweight 581g helmet
  • Integrated grinding visor
  • 4 arc sensors
  • 0.2ms switching speed
  • Adjustable sensitivity and delay
  • Airkos® powered air respirator
  • 20 APF respiratory protection
  • Visual and audible safety alarms
  • Up to 10 hours battery runtime
  • Rechargeable lithium-ion battery
  • Suitable for all major welding processes

Ideal For

The Weltek Navitek S4 Welding & Grinding PAPR System is ideal for:

  • MIG welding
  • TIG welding
  • MMA welding
  • Fabrication workshops
  • Engineering companies
  • Heavy industry
  • Manufacturing environments
  • Maintenance departments

For welders seeking a complete solution that combines respiratory protection, outstanding visibility and professional welding performance, the Weltek Navitek S4 PAPR System is an excellent choice.

Specifications

Helmet Specifications

  • Brand: Weltek
  • Model: Navitek S4
  • Product Type: Welding & Grinding PAPR Helmet
  • Weight: 581g
  • Viewing Area: 93 x 43mm
  • Side Vision: 160°
  • Light State: DIN 4
  • Dark State: DIN 9–13
  • Arc Sensors: 4
  • Switching Speed: 0.2ms
  • Optical Class: 1/1/1/2
  • Technology: Dual Twisted Nematic
  • Power Supply: Solar
  • Grinding Mode: Yes
  • Warranty: 2 Years

Helmet Standards

  • EN166B
  • EN175B
  • EN379

Airkos® Blower Unit Specifications

  • Airflow Settings:
    • 180 l/min
    • 220 l/min
  • Filtration Rating: PRSLTH2
  • Protection Factor: APF 20
  • Battery Type: 4 Cell Lithium-Ion
  • Runtime: Up to 10 Hours
  • Optional Runtime: Up to 14 Hours
  • Weight: 1.18kg
  • Warranty: 1 Year
  • Battery Warranty: 6 Months

Blower Unit Features

  • Low Battery Alarm
  • Filter Blockage Alarm
  • Visual Alerts
  • Audible Alerts
  • Main Filter Included
  • Pre-Filter Included

Blower Unit Standard

  • EN12941

Delivery & Returns

Fast UK delivery available on our products.
Free delivery on orders over £100.
If you have any questions about delivery, availability or returns, please contact our team on 01482 222799 before ordering.
See our Delivery information
See our Returns Information

Support & Advice

Need help choosing the right welding equipment? Our experienced team is here to help.

Whether you’re unsure which machine is best for your application or need advice on consumables, PPE or accessories, we’re always happy to point you in the right direction.

📞 Call us on 01482 222799
📧 Email sales@arcmaster.uk.com
📍 Or visit our Hull superstore to speak to our team in person

We also offer equipment servicing, repairs and hire, helping you keep your tools running efficiently with minimal downtime.