XR940A / XR937 Welding Mask and Air System Option

by Parweld

Powered Air Purifying Respirator

The Parweld Powered Air Purifying Respiratory System is an easy-to-use, versatile respirator for particulate environments. With a compact and slim design, the powered air respirator is the answer to your respiratory protection needs.



Lightweight blower unit fits close to the user’s back, with additional shoulder straps, reducing the leverage effect that can cause PAPRs to feel heavier. Contoured outer surface makes it less likely to snag on other objects. Lightweight lithium battery packs ensure long life and eliminate memory effect ensuring full shift operation.



•FiltrationThe unit is fitted with a P3 Particulate main filter coupled with a carbon odour pre filter and a stainless steel spark trap to preserve the filters, al filters are replaceable. Filter lifetime is dependant upon the working environment. The unit is not suitable to operation in areas where the oxygen supply is depleted or there may be a risk of toxic gas build up.



Simple, one-button control, with triple alarms – audible, LED and vibration, alert the user of the following conditions, low battery, low airflow or particle filter is blocked.



•Electronic Control System
Electronic control system keeps the calibrated airflow at the pre-set level and compensates for filter clogging or loss of battery charge to ensure constant air flow to the operator.



Straightforward maintenance with the battery and filter changed in seconds by hand. The belt and blower unit have smooth outer surfaces, to limit obstruction and facilitate fast cleaning. The operator can sit or lie down without obstruction to air flow. User interface gives key operating information (fan speed, air flow, battery and filter).



•This system is TH3P certified in accordance
with European standard EN12941: 1998/A 1:2004/A2:2008 TH3P



Additional information

UV/IR protection

Permanent Shade DIN16

dark to light

0.1-1.0 Seconds Variable

total weight


helmet material

High Impact Polyamide Nylon

light state

DIN Shade 4

dark state

Shade DIN 5-9 to DIN 9-13 Variable

power supply

Solar Cells and Lithium Batteries

power on/off

Fully Automatic

storage temperature

-20°C to +70°C (-4°F to -158°F)

operating temperature

-10°C to +60°C (23°F to 131°F)


European standard EN12941: 1998/A 1:2004/A2:2008 TH3P


• Portable and Lightweight
• Protects Against Dust Particles, Solid and Liquid Aerosols and Smoke
• Constant Filtered Air Flow
• Lightweight Li-ion Removable Battery
• Audible, Visible and Vibration Warning Alarms for Low Power, Low Air-flow and Blocked Filter
XR937H Helmet Features
• Extra large Viewing Area
• True Colour Lens
•4 Arc Sensors
•All External Controls
•Variable Shade Control DIN 5-9/9-13
•ADF Self-Testing
•Dual Solar Cells
•UV/IR Protection
•Conforms to EN379, EN175, EN166, ANSI Z87.1

minimum flow

170 or 220nl/min

viewing area

101mm x 94mm/3.98” x 3.7”

protection and noise level

TH3 P R SL, Max. 60dB(A)

Li-ion battery lifetime


one charging cycle

Approx 2.5h

operating time of battery after one charging

1* 11h Operating time level 2* 9h (*min with a fully charged new battery & filter room temp.)


Air Respiratory System


Light Reactive Airfed Unit