Description

Technical Parameters

The Single-Filter Respirator with Replaceable Filter is a reusable elastomeric half-mask engineered for industrial workers requiring reliable protection against particulate aerosols and chemical vapors. Built with a quick-change threaded connector interface, this unit enables rapid cartridge replacement on site, minimizing equipment downtime and lowering long-term consumable costs for enterprise safety programs.

Key Features

01/

Quick-Swap Threaded Interface: Allows secure filter attachment and detachment in seconds without removing the head harness.

02/

Contoured Elastomeric Seal: Adapts to facial structures to maintain an airtight fit during active movement.

03/

Downward Exhalation Valve: Directs exhaled breath and moisture downward to prevent internal lens fogging and heat buildup.

04/

4-Point Adjustable Harness: Distributes tension evenly across the crown and neck to eliminate pressure points during extended shifts.

05/

Modular Assembly: Disassembles fully into individual components for routine cleaning, sanitization, and component replacement.

Design & Components

Facepiece Body

Injection-molded elastomeric material resistant to sweat, skin oils, and industrial chemical splash.

Valves

High-flexibility silicone diaphragms engineered for instant response under low inhalation and exhalation effort.

Connector Base

Machined thread interface featuring an integrated O-ring gasket to prevent bypass air leakage.

Head Harness

Woven elastic straps coupled with durable impact-resistant tension buckles.

Technical Specifications

Parameter	Specification	Compliance Standard
Mask Facepiece Material	TPE / Liquid Silicone	ISO 10993 Biocompatibility
Filter Connection Type	Standard Thread (RD40)	EN 148-1
Inhalation Resistance	≤ 30 Pa at 30 L/min	EN 140:1998
Exhalation Resistance	≤ 50 Pa at 160 L/min	EN 140:1998
Total Inward Leakage	< 2%	EN 140:1998
Field of Vision	> 80% Total Field	EN 140:1998
Operating Temperature	-10°C to +55°C	Climate Chamber Tested
Unit Weight (Facepiece)	115 g ± 5 g	Precision Scale

Applications & Limitations

Recommended Applications

Metal grinding, cutting, and arc welding fume exposure control.
Spray painting, surface priming, and industrial solvent handling.
Chemical batching, fluid transfer, and acid mist environments.
Masonry cutting, woodworking, and heavy dust construction work.

Usage Limitations

Do not use in oxygen-deficient atmospheres where oxygen concentration is below 19.5%.
Do not use in environments immediately dangerous to life or health.

Compatible Filters & Accessories

Particulate Filter Disks	P2 R and P3 R elements for fine dusts, quartz, and metal fumes.
Gas & Vapor Cartridges	Organic vapor (A1/A2), acid gas (E1/K1), and multi-gas canisters.
Combination Filters	Integrated gas and particulate filter canisters (e.g., A1P3 R).
Replacement Parts	Headband replacement kits, replacement exhalation valves, and valve covers.

Use & Maintenance

Cartridge Replacement Procedure

Inspect the mask body for signs of wear, tears, or distortion.
Align the replacement filter thread with the facepiece connector housing.
Rotate clockwise until firmly seated against the internal sealing gasket.
Perform a positive and negative pressure user seal check prior to entering the hazardous work area.

Cleaning & Storage Instructions

Remove filter elements prior to cleaning.
Submerge the facepiece in warm water below 40°C using a mild neutral detergent.
Rinse thoroughly with clean water, disinfect using a 70% isopropyl alcohol wipe, and air dry away from direct sunlight.
Store in a clean, sealed container at temperatures between -10°C and +30°C.

Our Certificates

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OEM/ODM & Supply Information

Minimum Order Quantity	1,000 units for standard configuration; 3,000 units for custom color matching or private label production.
Monthly Production Capacity	50,000 units.
Production Lead Time	15 to 20 days for standard stock configurations; 30 to 35 days for custom OEM production runs.
Customization Services	Facepiece color matching, laser-engraved housing logos, custom carton artwork, and multi-language user manuals.
Packaging Specification	1 unit per sealed polyethylene bag; 40 units per master carton (Dimensions:58 cm × 38 cm × 42 cm, Gross Weight: 7.2 kg.

FAQ

Q: How do I determine when the replacement filter element needs to be changed?

A: Particulate filters must be replaced when breathing resistance increases noticeably due to particle loading. Gas and vapor cartridges must be replaced immediately when breakthrough odor or taste is detected, or based on a validated workplace change-out schedule.

Q: What is the functional difference between TPE and silicone facepiece options?

A: TPE provides a lightweight, cost-effective solution suitable for standard industrial protection programs. Silicone offers enhanced thermal stability, long-term flexibility across extreme temperature swings, and higher chemical degradation resistance.

Q: Can custom branding and packaging be applied for private label distribution?

A: Yes. Full OEM services include custom facepiece color matching, logo marking, tailored instruction manuals, and branded master carton packaging according to your specification artwork.

Q: What documentation is provided with bulk shipments for import customs clearance?

A: Every shipment includes full batch quality inspection reports, EN conformity certificates, and ISO quality management documentation to facilitate smooth border clearance.

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