Compatibile con questi sistemi

Systems this part fits, with compatibility status and evidence
Sistema	Stato di compatibilità	Prove
Lincoln Electric Viking PAPR (3350 / 3250D FGS / 3350 XG)	T2 Manufacturer-listed part	[01] www.weldersupply.com manufacturer manual Listed as "K3930-6 — Viking™ 3350 XG PAPR with Extended Battery" under "Complete PAPR Systems" in the Complete Systems and Replacement Parts table (p.7); full spec row (4.5 h charge, 16 h runtime, 8.2 in blower height, 2.70 lb weight) confirmed in the PAPR Specifications table (p.8) of Lincoln Electric publication EE14.747 (07/2020). Archived in repo: sources/lincoln-viking-3350-xg-papr-ee14747-2020.pdf. 2026-07-06

Specifiche tecniche

Technical specifications
Respirator approval	NIOSH 42 CFR 84 Approved Powered Air-Purifying Respirator (PAPR)
Classification	Loose Fitting Powered Air Purifying Respirator
Assigned Protection Factor	25 (per OSHA 3352-02 2009, requires continuing effective respirator program under 29 CFR 1910)
Filter type	High Efficiency Particulate Air Filter (HEPA)
Helmet compliance	ANSI Z87.1-2010, CSA Z94.3
Air flow	Low 180+ lpm (6+ cfm); High 210+ lpm (7.4+ cfm)
Alarms	Audible and vibrate (low battery/filter life)
Battery type	Lithium Ion (rechargeable), 500 charge cycles
Battery charge time	4.5 hours
Battery life	16 hours at 180 lpm
Charge type	115 V
Head covering	FR Flame Retardant
Belt size	29 to 52 in (736 to 1321 mm)
Blower dimensions	8 L x 8.2 H x 3 W in (203 x 208 x 76 mm)
Blower weight	2.70 lb (1.2 kg), including battery, belt, and filters
Operating temperature	23° to 131° F (-5° to 55° C)
Warranty	Blower assembly 1 year; helmet auto-darkening lens 3 years

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Note

Extended-battery counterpart to K3930-4 (blower + extended battery KP3938-1 + charger KP3932-1 + helmet KP4638-1 + hose KP5122-1 + belt KP5123-1 + filter stack). All specs identical to K3930-4 except battery charge time (4.5 h vs 3 h), battery life (16 h vs 9 h), blower height (8.2 in vs 7.5 in) and blower weight (2.70 lb vs 2.20 lb).

Fonti della scheda

Evidence — dated sources

[01] www.weldersupply.com manufacturer manual 2026-07-06