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EXAIR Vortex Tube Exhaust Muffler - Vortex Tube Exhaust Mufflers
EXAIRVortex Tube Exhaust Mufflers

EXAIR Vortex Tube Exhaust Muffler

The EXAIR Exhaust Muffler (MPN 3903) is a 1/4 in NPT Vortex Tube Exhaust Muffler made of aluminum. It is designed for hot exhaust applications and has a maximum operating pressure of 0 psi and a maximum operating…

SKU 3G-OTH-146006

Brand
EXAIR
Item
Vortex Tube Exhaust Muffler
Part Number
3903
Category
Vortex Tube Exhaust Mufflers
Available to Order
Also known as:3903EXAIR
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Technical Specifications

EXAIR
Manufacturer Part Number
3903
Type
40 scfm, 5 dBA NRR
Max Op Temp
265°F
Max Op Pressure
0 psi

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EXAIR Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The EXAIR Exhaust Muffler (MPN 3903) is a 1/4 in NPT Vortex Tube Exhaust Muffler made of aluminum. It is designed for hot exhaust applications and has a maximum operating pressure of 0 psi and a maximum operating temperature of 265°F, with a noise reduction rating of 5 dBA NRR and a flow capacity of 40 scfm.

Frequently Asked Questions

What is the EXAIR Exhaust Muffler 3903 used for?

The EXAIR Exhaust Muffler 3903 is used to reduce noise from vortex tube exhaust in hot industrial environments. It fits 1/4 in NPT ports, handles 40 scfm flow, and lowers sound by 5 dBA NRR, making it suitable for cooling, cleaning, or drying applications where hot air is vented.

What are the specifications of the EXAIR Exhaust Muffler 3903?

The EXAIR Exhaust Muffler 3903 has a 1/4 in NPT connection, 40 scfm flow capacity, 5 dBA NRR noise reduction, 0 psi maximum operating pressure, and 265°F maximum operating temperature. It is made of aluminum and designed for hot exhaust applications.

Where to buy the EXAIR Exhaust Muffler 3903 worldwide?

3G Electric supplies the EXAIR Exhaust Muffler 3903 to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time — we source genuine EXAIR components across our 14 industrial departments.

How to install the EXAIR Exhaust Muffler 3903?

Thread the 1/4 in NPT muffler directly onto the vortex tube exhaust port. Use thread sealant on male NPT threads to prevent leaks. Ensure the muffler is not obstructed and ambient temperature stays below 265°F. Tighten by hand plus a quarter turn with a wrench — do not overtighten aluminum threads.

Used in

Common applications for EXAIR
Metalworking — EXAIR Vortex Tubes (models 3215, 3225) for spot cooling of cutting tools and machined parts during production.
Food processing — EXAIR siphon-fed air-atomizing spray nozzles for applying release agents or coatings onto conveyor belts and molds.
Electronics assembly — EXAIR static eliminators and air nozzles for removing dust and neutralizing static on circuit boards.
Packaging — EXAIR air knives for drying and blowoff of containers, labels, and film after washing or coating.
Industrial maintenance — EXAIR pneumatic vacuum heads (model 6198-30) for wet and dry cleanup of spills and debris in plant floors.
Material handling — EXAIR Drum Cover Kit (MPN 6850) for converting drums into vacuum receivers for bulk solids collection.
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EXAIR Products

3G Electric supplies EXAIR vortex tube exhaust mufflers. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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