Lincoln Electric VIKING 3250D FGS PAPR K4550-3 is an auto-darkening welding helmet and powered air-purifying respirator package with an extended-life blower battery, designed for welding environments requiring an appropriate respiratory protection program.
Key Features and Benefits
- 4C lens technology supports viewing the weld area through the auto-darkening filter.
- Adjustable shade 5–13 accommodates the documented lens settings; select the correct shade for the process.
- Powered airflow is selectable between low and high settings.
- The included extended-life blower battery distinguishes this package from the standard-battery configuration.
- HEPA filtration is part of the specified PAPR system; select respiratory protection through a workplace hazard assessment.
- An integrated clear grinding shield and shade 5 side windows support the documented helmet configuration.
Technical Specifications
| Specification | Details |
|---|---|
| Model / manufacturer part number | K4550-3 |
| Equipment type | Welding helmet / PAPR package |
| Lens shade range | 5–13 |
| Viewing area | 2.95 × 4.25 in (75 × 108 mm) |
| Lens controls | Digital |
| Blower airflow | Low: 180+ L/min; high: 210+ L/min |
| Filter type | HEPA |
| Respirator approval | NIOSH 42 CFR Part 84; use only in the approved configuration |
| Assigned protection factor | 25; subject to correct selection and use |
| Blower battery package | Extended-life rechargeable battery |
Applications and Compatibility
For welding work where a properly selected PAPR is required. The filter, head covering and blower must be used in the specified configuration. This package does not establish suitability for every airborne hazard; workplace assessment and the operating instructions determine appropriate use.
What Is Included
- (1) VIKING 3250D FGS PAPR Welding Helmet
- (1) KP3944-1 VIKING PAPR Blower Unit
- (1) KP5123-1 Padded Belt 29-52 in
- (2) KP5124-1 Shoulder Straps
- (1) KP5122-1 Hose with FR Cover
- (2) KP3424-2 HEPA Filters
- (1) KP3935-1 Pre-Filter
- (1) KP3936-1 Spark Screen
- (1) KP3938-1 Extended Capacity Lithium Ion Battery
- (1) KP3932-1 120V Battery Charger
- (1) Industrial Duffle Bag
- (7) KP3700-1 Outside Cover Lenses - FGS Series
- (7) KP3701-1 Inside Cover Lenses - FGS Series
- Instruction Manual
Setup and Documentation
Read the exact-model instructions before use. Inspect the helmet, lens and cover lenses, adjust the headgear, and confirm the selected operating mode. Use replacement components specified for this exact model. Follow the PAPR instructions and workplace respiratory protection program for assembly, battery charging, filter inspection and maintenance. The blower battery and auto-darkening lens power supply are separate systems. The manufacturer product-information sheet is available in Downloads & Documents.
Frequently Asked Questions
What model does this listing describe?
This listing describes Lincoln Electric VIKING 3250D FGS PAPR, manufacturer part number K4550-3. Check this number when comparing packages or replacement parts.
What is the viewing area?
2.95 × 4.25 in (75 × 108 mm).
Is this a powered respirator package?
Yes. This exact package includes the PAPR components listed above and the extended-life blower battery.
How do I select replacement cover lenses?
Use the exact part numbers listed in the package contents and manufacturer documentation. Cover lenses from other VIKING generations should not be assumed compatible.