Lincoln Viking 3350 Welding Helmet PAPR with Standard Battery K3930-1

By: Lincoln Electric
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LINCOLN VIKING 3350 Powered Air Purifying Respirator

The Lincoln Viking PAPR K3930-1 is a complete system that purifies ambient air from the shop and delivers filtered, breathable air for as much as eight hours without interruption.  The two-speed blower drives filtered air through the hose into a modified VIKING™ 3350 helmet which has a perfect 1/1/1/1 optical clarity and now also features 4C™ Lens Technology. A patent pending adjustable baffling system inside the helmet directs air away from eyes to keep them from getting dry. The Lincoln PAPR system has an OSHA Assigned Protection Factor of 25(3).

Proper ventilation may not always be an option in every welding environment. Bring fume protection and filtered air directly to the operator in difficult environments and keep it there all day with the Lincoln PAPR.

What's Included

  • VIKING 3350 PAPR Welding Helmet
  • VIKING PAPR Blower Unit
  • 29-52 in. Padded Belt
  • Hose with FR Cover
  • Industrial Duffle Bag
  • Instruction Manual
  • 1 - Pre Filter
  • 1 - Spark screen
  • 1 - Standard Capacity Lithium Ion Battery
  • 1 - 120V Battery Charger
  • 2 - Shoulder Straps
  • 2 - HEPA Filters
  • 7 - 3350 Series Clear Cover Lenses

Top Features

  • Premium Optics - 4C® Lens Technology, 1/1/1/1 Optical Clarity and vertical 12.5 sq. inch viewing area
  • Patented Air Delivery - Unique baffling allows the user to adjust airflow direction
  • HEPA Filter - Multi-compontent filter system provides 99.97% particulate filtration at 0.3 microns
  • Intelligent Blower - LED display, audible & vibratory alerts, automatic speed adjustments
  • Lithium Ion Battery – reachargable 8-9 hour battery outpaces performance of competing systems

Industry Leading Optics

4C Lens Comparison

  • 4C® Lens Technology - Broadens the color range & hues which can be seen in both light and dark states. This eliminates imperfections and color saturation to create the clearest view of the base material, arc & puddle
  • Perfect 1/1/1/1 Optical Clarity - This rating is determined by measuring blurriness, distortion, shade consistency and angle uniformity of the auto-darkening welding lens
  • Extra Large Viewing Area - The 12.5 square inch auto darkening lens provides a large field of view to increase versatility and operator control

Intelligent Blower System

battery run time comparison chart

Superior Battery Life

battery run time comparison chart

Respiratory Specifications
Compliance Certification NIOSH 42 CFR Part 84
Classification Loose Fitting Powered Air Purifying Respirator
Assigned Protection Factor(APF) 25
Filter Type High Efficiency Particulate Air Filter (HEPA)
Air Flow
  • Low Speed: 180+ Ipm (6+ cfm)
  • High Speed: 210+ Ipm (7.4+ cfm)
Air Flow Adjustment Automatic and Manual
Battery Life
  • Standard: 9 Hours
  • Extended: 16 Hours
Battery Charge Time
  • Standard: 3 Hours
  • Extended: 4.5 Hours
Alerts Audible & Vibratory Alarms for battery life and filter life
Size of Blower Assembly 8 x 7.5 x 3 in (203 x 191 x 76 mm)
Belt Size 29 to 52 in. (736 to 1321 mm) *Extension Available


Welding Helmet Specifications
Auto-Darkening Viewing Area 3.74 x 3.34 in. (95 x 85 mm)
Optical Class 1/1/1/1 (per EN 379)
Lens Switching Speed 1/25,000 sec
TIG Amp Rating < 2 Amp
Helmet Controls Digital; Shade, Sensitivity and Delay
Variable Shades Shade 5 to 13
Arc Sensors 4
Helmet Battery Replacement Type 1 CR2450 Replaceable Batteries
Helmet Compliance ANSI Z87.1, CSA Z94.3, CE EN379,AS/NZS 1338.1
Warranty Auto-Darkening Filter: 3 Years

Blower: 1 Year

Custom Field

Brand Name Lincoln Electric
Product Type PAPR

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