3M 7502 silicone reusable half facepiece respirator in medium size with Cool Flow exhalation valve

3M 7502 Silicone Reusable Half Facepiece Respirator, Medium

KTI120010Z3M75

Product Description

The 3M 7502 is a professional medium-sized reusable half facepiece respirator engineered with advanced silicone rubber for superior comfort, durability, and seal integrity in demanding industrial environments.

Make: 3M
Model: 7502 (Size Medium)
Facepiece Material: Silicone rubber face seal, inhalation valves, and exhalation valve
Component Materials: Polybutylene terephthalate (PBT) valve cover and cartridge holders; polyethylene head cradle; polyester/polyurethane straps
Connection Type: Dual bayonet connection system for twin lightweight filters and cartridges
Exhalation Technology: 3M Cool Flow valve directs exhaled breath and moisture downward to reduce heat and eyewear fogging
Suspension: 4-point adjustable head harness with dual-mode suspension (standard or dropdown mode)
Assigned Protection Factor (APF): APF 10 times the Permissible Exposure Limit (PEL) with approved 3M filters and cartridges
Filter Compatibility: 3M 2000, 2200, 5000, and 7093 series particulate filters; 6000 series gas/vapor cartridges
System Compatibility: Compatible with 3M TR-600/TR-800 PAPR systems and Dual Airline supplied air setups
Weight: Approximately 136 g (facepiece body)
Standards & Compliance: NIOSH approved; AS/NZS 1716:2012; OSHA 29 CFR 1910.134

KTI120010Z3M75

Price

₹ 4,401.00 excl. GST

+ 18.00% GST. Freight after pincode at cart.

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Product Details
Available Brands	3M
Unit	Numbers
HSN Code	90200000
Weight	0.136 kg
Warranty	Not Applicable
Tags/categories	Safety PPE Personal Protective Equipment Respiratory Face Mask

Usually dispatched within 4 days

About this product .

The 3M 7502 reusable half facepiece respirator is constructed with an advanced silicone face seal that provides high elasticity, resilience, and softness against facial contours. The face seal, inhalation valves, and exhalation valve are molded from silicone rubber, while the structural cartridge holders and protective exhalation valve cover are manufactured from rigid polybutylene terephthalate (PBT) to withstand repeated industrial handling and harsh washdowns.
Engineered with 3M's proprietary Cool Flow exhalation valve, the facepiece significantly minimizes breathing resistance and heat accumulation during strenuous work shifts. The downward-oriented exhalation cover directs moist, warm exhaled air downward away from safety glasses and face shields, preventing lens fogging and maintaining clear operator vision.
The respirator incorporates a four-point adjustable head harness featuring an ergonomic polyethylene head cradle and resilient polyester-polyurethane straps. Its dual-mode suspension mechanism allows the user to switch between standard wearing mode and dropdown mode, enabling the facepiece to be dropped down around the neck during breaks without detaching hard hats or welding visors.
Equipped with a twin bayonet connection system, the 7502 securely locks 3M filters and cartridges into place with a simple quarter-turn. It is fully compatible with 3M 2000, 2200, 5000, and 7093 series particulate filters, 6000 series chemical and vapor cartridges, and can be integrated with 3M TR-600 or TR-800 PAPR systems and Dual Airline supplied air setups.
When properly fitted and paired with certified 3M cartridges or particulate filters, the 7502 provides an Assigned Protection Factor (APF) of 10 times the Permissible Exposure Limit (PEL). The facepiece holds NIOSH approval and meets the rigorous performance requirements of AS/NZS 1716:2012 and OSHA 29 CFR 1910.134 respiratory protection standards.
This medium-sized respirator is deployed across diverse industrial operations including spray painting, chemical handling, metal fabrication, welding, pharmaceutical processing, and mining. It delivers dependable respiratory defense against airborne particulates, organic vapors, and acid gases according to the attached filtration media.
Designed for extended service life, the 7502 can be completely disassembled for regular sanitization using warm water and neutral detergent. Field-replaceable components—including replacement inhalation valves (7582), exhalation valves (7583), and harness assemblies (7581)—enable rapid facility maintenance without replacing the complete facepiece.

Product Information .

Hospitals, Clinics Industries, Factories Laboratries Banks Chemical Plants Pharma Industries

3M 7502 Respiratory System and Component Compatibility

The 3M 7502 Medium reusable half-mask facepiece operates on 3M's standard twin bayonet connection platform. Engineered with polybutylene terephthalate (PBT) cartridge and filter holders, the interface secures a wide array of negative-pressure purification elements as well as supplied-air breathing configurations without requiring separate tools or intermediate mounting adapters.

3M Bayonet Filter and Cartridge Interoperability

The dual bayonet connector allows twin lightweight filters and cartridges to lock onto the silicone body with a positive quarter-turn clockwise engagement. Plant safety managers can configure the 7502 facepiece for particulate, gas, vapor, or combination hazards using the following approved 3M product series:

3M 6000 Series Gas and Vapor Cartridges: Fully compatible with chemical cartridges including the 3M 6001 (Organic Vapor), 3M 6003 (Organic Vapor/Acid Gas), and 3M 6006 (Multi-Gas/Vapor) cartridges.
3M 2000 and 2200 Series Particulate Filters: Mounts directly to the facepiece bayonet ports for disc-style particulate filtration against dusts, mists, fumes, and nuisance odors.
3M 5000 Series Particulate Filters: Interoperable with 6000 Series cartridges using approved 3M filter retainers to form combination gas/vapor and particulate filtration systems.
3M 7000 and 7093 Series Particulate Filters: Directly locks onto the bayonet fittings, including the encapsulated 3M 7093 P100 particulate filter designed for harsh, high-moisture industrial environments.

Supplied Air and Powered Air Purifying Respirator (PAPR) Systems

Beyond passive air-purifying cartridge configurations, the 3M 7502 facepiece is engineered to transition into active supplied-air configurations across heavy manufacturing, chemical processing, and abatement setups. The facepiece interfaces directly with:

3M Dual Airline Systems: Fully compatible with 3M SA-2000 and SA-2100 dual airline supplied air assemblies, mounting to the rear of the bayonet ports to supply clean continuous airflow from an external compressed breathing air line.
3M Powered Air Purifying Respirators: Tested and approved for use with 3M Versaflo TR-600 and TR-800 series PAPR assemblies when utilizing compatible breathing tubes and adapters.

Welding Helmets, Eyewear, and Head Protection Integration

The low-profile placement of the twin bayonet ports sweeps attached cartridges and filters backward along the jawline, keeping the field of vision clear and avoiding interference with secondary personal protective equipment. The downward-directing exhalation valve cover channels warm, moist exhaled breath directly toward the chest rather than upward, preventing the fogging of safety spectacles, prescription eye protection, and full-face grinding visors.

The integrated 4-point head cradle and polyester/polyurethane harness system features dual-mode suspension functionality. In drop-down mode, workers can release the neck clasp and slide the silicone facepiece down to rest on the mid-chest during breaks without removing hard hats, bump caps, or overhead welding shields.

Certified Replacement Parts and Wear Components

Maintenance teams can rebuild and service the 7502 facepiece using exact-fit OEM replacement assemblies to maintain AS/NZS 1716:2012, OSHA 29 CFR 1910.134, and NIOSH certified performance:

Part Number	Component Description	Assembly Material
3M 7580	Replacement Harness Straps	Polyester / Polyurethane
3M 7581	Head Harness Assembly	Polyethylene Head Cradle & Straps
3M 7582	Inhalation Valve (Blue)	Silicone Rubber
3M 7583	Exhalation Valve (Blue)	Silicone Rubber

Donning, Dual-Mode Suspension Setup, and Bayonet Filter Installation for 3M 7502

Proper assembly, donning, and user seal verification are critical to achieving an airtight seal and the designated Assigned Protection Factor (APF) of 10 times the Permissible Exposure Limit (PEL) with the 3M 7502 Medium reusable half facepiece respirator. Because the 3M 7502 is supplied as a standalone facepiece, appropriate 3M filters or chemical cartridges must be installed prior to operational deployment.

Bayonet Filter and Cartridge Installation

The 3M 7502 features twin polybutylene terephthalate (PBT) cartridge/filter holders utilizing the proprietary 3M bayonet connection system. Follow these steps to secure respiratory elements:

Align the notch on the 3M filter or 6000 Series cartridge (such as 6001, 6003, or 6006) with the raised bayonet alignment mark molded onto the facepiece cartridge holder.
Firmly push the cartridge or filter against the facepiece body.
Rotate the cartridge or filter one-quarter turn clockwise until it stops and locks securely into place.
Repeat the procedure for the opposite side, ensuring twin filters/cartridges are symmetrically seated to maintain balance and proper air intake across both silicone inhalation valves (part 7582).
For powered or supplied-air industrial applications, bayonet ports can be coupled with 3M Dual Airline supplied air assemblies (SA-2000 or SA-2100) or TR-600 / TR-800 PAPR conversion breathing tubes.

Configuring the Dual-Mode Head Suspension

The 4-point adjustable head harness system combines a durable polyethylene head cradle with elastic polyester/polyurethane straps. The harness can be routed in either standard wearing mode or drop-down mode depending on site conditions and complementary personal protective equipment:

Standard Suspension Mode: The upper strap assembly supports the head cradle directly on the crown of the head while the lower elastic strap hooks securely behind the neck. This configuration is standard across general manufacturing, painting, and chemical handling.
Drop-Down Suspension Mode: By sliding the head harness straps through the integrated facepiece guides, the mask can be configured to drop down to the worker's chest during task intervals. This permits easy respirator removal without detaching hard hats, face shields, or welding helmets.

Donning and Strap Tensioning Procedure

To don the facepiece, cup the silicone rubber face seal over the mouth and nose bridge. Pull the polyethylene head cradle over the crown of the head. While holding the facepiece firmly in position, bring the bottom neck straps behind the neck and hook them together. Pull the strap ends to adjust tension: first adjust the upper straps evenly on both sides, then tighten the lower neck straps. Avoid over-tightening; the silicone rubber face seal is engineered to conform comfortably to the facial profile under moderate tension.

Mandatory Pre-Entry User Seal Checks

A user seal check must be executed successfully before entering any hazardous particulate, vapor, or gas environment. Conduct both positive and negative pressure tests:

Seal Check Method	Operator Action	Pass Criteria
Positive Pressure Check	Place the palm of the hand lightly over the downward-directing polybutylene terephthalate (PBT) exhalation valve cover and exhale gently.	The silicone facepiece should bulge slightly with no outward air leakage detected between the face and the silicone face seal.
Negative Pressure Check	Cover the open inlets of both particulate filters (e.g., 2000, 2200, 7093 Series) or cartridge faces with the palms of your hands and inhale gently.	The facepiece should collapse slightly inward toward the face and hold the vacuum with no inward air leakage along the seal profile.

If inward or outward leakage is detected during checks, reposition the facepiece on the bridge of the nose, re-tension the 4-point harness straps, and re-test. Any facial hair, stubble, or deep facial scars that cross the silicone sealing margin will prevent an effective seal, requiring clean-shaven conditions or alternative respiratory equipment.

Maintenance, Inspection, and Field Replacement Guide for 3M 7502 Half Facepiece Respirator

Routine Cleaning and Decontamination Procedures

The 3M 7502 reusable half facepiece respirator features a fully demountable modular construction designed for thorough cleaning and sanitation between work shifts. Industrial hygiene programs complying with OSHA 29 CFR 1910.134 and AS/NZS 1716:2012 require respirators to be cleaned after each operational shift to maintain protective performance.

Prior to cleaning, detach all bayonet-mounted particulate filters (such as the 3M 2000, 2200, or 7093 series) and gas/vapor chemical cartridges (such as the 3M 6001, 6003, or 6006 series). Disassemble the facepiece components: remove the head harness assembly, detach the inhalation valves, and inspect the exhalation valve assembly housed beneath the downward-directing polybutylene terephthalate (PBT) valve cover.

Wash the silicone rubber facepiece body and detached components by hand in warm water using a neutral cleaning detergent. The cleaning water temperature should remain within standard non-scalding limits to protect the elastomeric properties of the silicone. Never utilize solvent-based cleaning agents, volatile hydrocarbons, or abrasive scouring pads, as chemical solvents can degrade silicone seals and degrade PBT cartridge ports. Rinse all parts thoroughly in clean, warm running water to remove detergent residue, and allow them to air-dry in a contaminant-free atmosphere.

Pre-Use Inspection and Seal Checks

Before donning the 3M 7502 respirator, operators must perform a visual inspection of all structural components. Examine the silicone rubber face seal for cracking, cuts, distortion, or embedded foreign matter. Check the blue silicone inhalation and exhalation valves to ensure they seat flat against their valve seats without curling, tears, or debris accumulation.

Every wearer must conduct a positive and negative pressure user seal check prior to entering any hazardous atmosphere:

Positive Pressure User Seal Check: Lightly place the palm of the hand over the downward-directing exhalation valve cover and exhale gently. The silicone facepiece should bow slightly outward without permitting any air to escape along the perimeter of the face seal.
Negative Pressure User Seal Check: Cover the open filter inlets or cartridge faces with the palms of both hands and inhale gently. The facepiece should collapse slightly against the face and hold vacuum without inward leakage. If air leaks are detected, adjust the 4-point head cradle and strap tension, then retest. Note that facial hair or deep facial scars break the seal boundary and prevent an airtight fit.

Field Serviceable Replacement Parts

To reduce operating costs across manufacturing, chemical handling, and heavy industrial facilities, wear components of the 3M 7502 facepiece can be serviced using genuine replacement parts without discarding the main silicone body.

Part Number	Description	Material / Application
7582	Inhalation Valve	Blue silicone rubber disc; replaces worn or damaged intake valves
7583	Exhalation Valve	Blue silicone rubber flapper valve for the Cool Flow valve assembly
7580	Replacement Harness Straps	Polyester/polyurethane elastic strap set with dual-mode suspension clips
7581	Head Harness Assembly	Complete assembly including polyethylene head cradle and tension straps

Filter Loading and Cartridge Change Schedules

The 3M 7502 facepiece provides an Assigned Protection Factor (APF) of 10 times the Permissible Exposure Limit (PEL) only when its filtration media is functioning properly. Particulate filters must be replaced immediately when physical damage occurs, excessive soil is observed, or breathing resistance increases significantly due to particulate cake loading.

Chemical cartridges used against organic vapors or acid gases must be replaced according to an established change-out schedule or service life software calculations. When installing new cartridges, align the cartridge connector notch with the bayonet mark on the PBT facepiece socket and rotate the cartridge clockwise one quarter turn until locked firmly in place.

Storage Instructions

Store cleaned and dried respirators away from direct sunlight, chemical vapors, extreme dust, and temperature extremes. When not deployed in drop-down mode or standard wearing mode, place the facepiece in a clean, sealed storage container or bag to prevent permanent deformation of the silicone face seal.

Industrial Applications and Operational Scenarios for the 3M 7502 Respirator

The 3M 7502 reusable half facepiece respirator (Size Medium) is engineered for respiratory protection across harsh industrial, fabrication, and chemical processing environments. When fitted with compatible 3M bayonet-mount filters or chemical cartridges, the assembly provides an Assigned Protection Factor (APF) of 10 times the Permissible Exposure Limit (PEL) against hazardous airborne particulates, gases, and organic vapors in compliance with OSHA 29 CFR 1910.134 and AS/NZS 1716:2012 standards.

Chemical Processing and Fluid Handling

In chemical manufacturing plants, pilot plants, and bulk liquid transfer stations, personnel face recurring exposure to toxic mists, acidic fumes, and volatile organic compounds. Deployed with 3M 6000 Series chemical cartridges (such as 6001, 6003, or 6006), the 3M 7502 secures an airtight silicone seal against facial contours. The chemical-resistant polybutylene terephthalate (PBT) cartridge holders maintain stable mechanical alignment during valve cycling, preventing bypass leakages while operators execute batch mixing, chemical sampling, or line-clearing procedures.

Welding, Smelting, and Hot Metalworking

Hot metal environments present extreme challenges with metal fumes, ozone, and radiative heat. The 3M 7502 integrates a proprietary downward-directing Cool Flow exhalation valve cover that releases warm, exhaled breath directly downward rather than into the user’s eye line. This design prevents internal thermal build-up and keeps welding helmets and safety visors from fogging. Additionally, the 4-point adjustable harness features an integrated drop-down mode: welders and furnace technicians can unclip the neck straps and drop the facepiece down to their chest during work pauses without removing their protective hard hats or welding shields.

Industrial Spray Painting and Surface Coating

Automotive refinishing, marine vessel coating, and industrial spray painting involve dual inhalation hazards composed of solvent vapors and atomized paint droplets. Pairing the 3M 7502 with 3M organic vapor cartridges and particulate pre-filters provides twin-cartridge airflow balance, lowering inhalation resistance during long shifts. The flexible silicone face seal maintains compliance across varying jaw movements, while the downward exhaust ports keep clear protective eyewear clean from condensing breath moisture.

Pharmaceutical Processing and Abatement

In pharmaceutical powder blending, active pharmaceutical ingredient (API) processing, and facility abatement projects, particulate containment is critical. Utilizing 3M 2000, 2200, or 7093 particulate filters, the 7502 provides lightweight protection (with the facepiece weighing approximately 135 to 136 grams) that reduces neck fatigue. The durable silicone rubber face seal and inhalation/exhalation diaphragms withstand rigorous daily washdown protocols using neutral detergents without losing seal elasticity or structural integrity.

Mining, Oil & Gas, and Heavy Infrastructure Maintenance

For heavy turnaround maintenance, pipeline pigging, underground extraction, and marine ballast tank inspections, the facepiece adapts beyond standard negative-pressure filtration. The 3M 7502 can be connected directly to 3M TR-600 and TR-800 Powered Air Purifying Respirators (PAPR) as well as Dual Airline supplied air configurations (SA-2000 and SA-2100), ensuring continuous respiratory safety across confined, oxygen-monitored industrial work zones.

Operational Environment Compatibility Matrix

Spray Painting & Coating: Organic vapor protection with mist filtration; anti-fog downward exhaust deflection.
Welding & Metal Fabrication: Drop-down suspension mode for helmet compatibility; heat-reducing Cool Flow valve.
Chemical Processing & Refining: Multi-gas and acid gas adsorption using 6000 Series bayonet cartridges.
Pharmaceutical Operations: High-efficiency particulate arrestance using 2000/7093 bayonet filters.
Marine, Mining & Utilities: Adaptable to PAPR (TR-600/TR-800) and continuous Dual Airline supplied air systems.

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