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Zinc Plated Steel Porous Metal Muffler, 1/4 NPT, 1.20 Inch Long

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Description & Features

This air valve muffler is paramount for those seeking effective noise reduction and exhaust and intake filtration. Constructed with a cellular sintered metal architecture brazed securely to a metal ferrule it features a robust zinc plated steel body. The product ensures reliable performance within pneumatic systems.

Designed for durability this muffler measures 1.20 inches in length and includes a 1/4 NPT thread for straightforward installation. The hex size of 0.56 offers compatibility across various industrial applications. This air valve muffler significantly reduces operational noise enhancing air quality and maintaining efficient system performance.

MPN: P28

Supplier Part Number: P28

Specifications

Connection Type
MNPT
Dimensions
0.89 in L
Finish
Zinc-Plated
Fitting Type
Muffler
Material
Bronze
Material Construction
Bronze
Model
P28
Nominal Size
1/4 in
Thread 1
1/4 in NPT

Product Questions & Answers (1)

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Question by: Frank H on Oct 29, 2025, 11:42 AM
Got a noisy air valve on my pneumatic setup and been putting up with it longer than I should. This the kind of muffler that'd quiet that down?
Answer by: Customer Support on Oct 31, 2025, 7:33 AM
That's what this one's built for. The Allied Witan P28 uses a cellular sintered metal structure brazed to a metal ferrule, and that porous construction is what does the work of knocking down air valve noise. It handles both exhaust and intake filtering at the same time, so you're not just cutting noise, you're keeping debris out of the line too. Threads in at 1/4 NPT, measures 1.20 inches long, and the 0.56 hex size makes it easy to wrench into place without a lot of fuss.

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