Description

Technical Parameters

The Reusable Bayonet-Filter Respirator incorporates a quarter-turn dual-bayonet latch mechanism that secures cartridges onto a hypoallergenic silicone seating edge, establishing an air-tight seal across diverse facial profiles. A downward-facing exhalation valve channels warm moisture away from upper face guards, while balanced lateral filter placement maintains an unobstructed line of sight during continuous precision industrial tasks.

Key Features

01/

Quarter-Turn Locking: Bayonet ports lock filter cartridges into place with a 90-degree twist to prevent air leakage.

02/

Balanced Weight Distribution: Side-mounted dual cartridges spread structural mass evenly across the face to reduce neck strain.

03/

Downward Air Discharge: One-way silicone valve expels exhaled heat downward, keeping protective visors fog-free.

04/

Contour-Sealing Rim: Molded inner contact flange maintains a steady seal during head movement and facial expression shifts.

05/

Four-Point Harness: Adjustable suspension strap setup allows quick lowering around the neck without disturbing headwear.

Design & Components

Facepiece: Injection-molded liquid silicone rubber or thermoplastic elastomer body. Resistant to skin oils, sweat, and broad ambient temperatures ranging from minus ten to fifty-five degrees Celsius.

Bayonet Lock Flanges: Molded resin connection rings equipped with internal elastic O-rings, accommodating standard bayonet-style filter cartridges.

Exhalation Valve Assembly: Flat silicone valve disc mounted on a horizontal grid seat, covered by a high-impact outer guard that redirects airflow downward.

Inhalation Valve Discs: Thin silicone membranes positioned within each side connection port to block moisture migration back into installed filters.

Head Crown Assembly: Polypropylene top cradle connected to four high-stretch elastic woven straps with quick-adjust tension clips.

Technical Specifications

Parameter	Value	Test Condition / Standard
Mask Standard Compliance	EN 140:1998	EU Personal Protective Equipment Directive
Inward Leakage Rate	Less than 2%	Total inward mask seal leakage
Inhalation Resistance (30 L/min)	0.20 mbar maximum	Standard continuous air velocity
Inhalation Resistance (95 L/min)	0.80 mbar maximum	High-volume air velocity test
Exhalation Resistance (160 L/min)	1.60 mbar maximum	Exhalation flow resistance limit
Facepiece Mass	115 grams	Bare mask excluding filters
Carbon Dioxide Clearance	0.8% maximum by volume	Dead space air recirculation

Applications & Limitations

Suitable Applications

Surface Coating & Spraying: Filtering organic solvent fumes and atomized fine paint mists.
Metal Processing: Defense against welding fumes, grinding dust, and airborne fine metal particles.
Chemical Processing: Protection against hazardous gas vapors during fluid transfer and vessel cleaning.
Precision Woodworking: Intercepting fine airborne wood dust and fiber particles during cutting or sanding.

Usage Limitations

Do not operate in atmospheres containing less than nineteen point five percent oxygen content.
Do not utilize in confined areas where contaminant concentrations remain unknown or immediately perilous.
Do not alter the structural bayonet locking ports or valve mounting surfaces.

Compatible Filters & Accessories

Item Code	Type	Target Environment
A1-Bayonet	Gas Cartridge	Organic vapors, solvents, paints, adhesives
ABEK1-Bayonet	Combination Cartridge	Organic, inorganic, acid gases, and ammonia
P3R-Bayonet	Particulate Filter	Solid particles, toxic dusts, metal fumes, water aerosols
5911-Adapter	Retainer Ring	Secures pre-filter pads over primary gas cartridges
V-Disc-01	Silicone Membrane	Replacement silicone disc for exhalation valve seat

Use & Maintenance

Pre-Use Assembly & Check

1.Check mask body for tears, scratches, or dirt around the inner sealing flange.
2.Align cartridge bayonet notches with mask side ports, push inward, and rotate clockwise ninety degrees until fully locked.
3.Perform a positive pressure test by blocking the outer valve exit with a palm and exhaling gently to verify seal expansion.

Cleaning & Storage

1.Detach filter cartridges, harness bands, and valve discs before immersion.
2.Wash the elastomeric mask body in warm water under forty degrees Celsius using neutral soap, rinsing thoroughly.
3.Air-dry completely away from direct sunlight, high heat, and chemical storage areas.

Quality Assurance & Factory Certification

Manufacturing workflows, raw material controls, and finished assembly lines comply with European health and safety regulations.

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Supply Information

Customization Options: Facepiece color matching, custom branding laser markings on the mask body, custom outer box artwork, and multi-language instruction sheets.
Minimum Order Quantity:

Standard Neutral Packaging: 1,000 units
Customized Color/Packaging: 3,000 units

Production Lead Time: 20 to 25 days for standard bulk orders upon order confirmation.
Carton Packaging Details: 1 unit per sealed bag, 1 unit per inner box, 30 boxes per outer carton (Carton Dimensions: 58 cm x 38 cm x 42 cm; Gross Weight: 6.8 kg).
Factory Testing Standard: 100% inline pressure tightness verification on exhalation valve seats during final assembly.

FAQ

Q: How do users determine when to replace the reusable mask body versus the filter cartridges?

A: The silicone or thermoplastic elastomeric mask body is engineered for long-term service spanning twelve to twenty-four months with routine cleaning. Filter cartridges must be replaced whenever breathing resistance increases noticeably or when chemical odor is detected inside the mask.

Q: What options exist for adjusting the softness of the face seal?

A: Material hardness can be adjusted during injection molding to meet specific requirements, typically between Shore A forty and Shore A sixty, balancing seal flexibility with structural durability.

Q: How are masks protected against seal distortion during long sea freight shipments?

A: Each mask unit includes an internal plastic support ring fitted inside the facial seal area before sealing in polybags. Reinforced five-ply corrugated master cartons prevent crush deformation under high stacking weight.

Q: Are the raw polymers tested for chemical safety compliance?

A: All elastomeric compounds, valve materials, and resin components undergo laboratory screening to ensure complete compliance with European chemical restrictions and safety directives.

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