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ARO 20312-2 Pneumatic Exhaust Muffler - Pneumatic Exhaust Mufflers
AROPneumatic Exhaust Mufflers

ARO 20312-2 Pneumatic Exhaust Muffler

The ARO Circuitry Valve Muffler (MPN 20312-2) is a pneumatic exhaust muffler constructed from bronze. It features a 1/4 inch connection, a 9/16 inch hex size, and a 40 micron filtration rating.

SKU 3G-OTH-189458

Also listed as: 203122 · 20312 2

Brand
ARO
Item
20312-2 Pneumatic Exhaust Muffler
Part Number
20312-2
Category
Pneumatic Exhaust Mufflers
Available to Order
Also known as:20312-2ARO
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Technical Specifications

ARO
Manufacturer Part Number
20312-2

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

Product Description

The ARO Circuitry Valve Muffler (MPN 20312-2) is a pneumatic exhaust muffler constructed from bronze. It features a 1/4 inch connection, a 9/16 inch hex size, and a 40 micron filtration rating.

Frequently Asked Questions

What is the ARO Circuitry Valve Muffler 20312-2 used for?

The ARO Circuitry Valve Muffler 20312-2 is used to reduce exhaust noise and filter particulates from pneumatic systems. It is commonly installed on valves and cylinders in industrial automation, packaging, and material handling equipment to meet workplace noise and air-quality standards.

What are the specifications of the ARO 20312-2 muffler?

The ARO 20312-2 muffler has a 1/4 inch connection, a 9/16 inch hex size, and a 40 micron filtration rating. It is constructed from bronze, making it durable for pneumatic exhaust applications. The manufacturer part number is 20312-2.

Where to buy the ARO 20312-2 muffler worldwide?

You can source the ARO 20312-2 muffler through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time.

How to install the ARO 20312-2 pneumatic muffler?

Install the ARO 20312-2 muffler by threading its 1/4 inch connection into the exhaust port of a pneumatic valve or cylinder. Tighten with a 9/16 inch wrench until snug. Avoid over-tightening to prevent damage to the bronze body. Ensure the muffler is oriented to allow free airflow.

Used in

Common applications for ARO
Chemical processing — ARO AODD pumps with PTFE diaphragms and 316 SS wetted parts for corrosive fluid transfer
Food and beverage — FDA-compliant ARO AODD pump SD20S-CSS-SMM-B00 with Santoprene diaphragm and Tri-Clamp connections
Water treatment — ARO air control valves and FRL units for pneumatic control in filtration and dosing systems
General manufacturing — ARO air-end repair kits and O-rings for maintaining double diaphragm pumps in assembly lines
Pharmaceutical — ARO sanitary AODD pumps with 316 SS check valves for shear-sensitive and sterile fluid handling
Oil and gas — ATEX-rated ARO FRL units and air control valves for use in hazardous atmospheres
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ARO Products

3G Electric supplies ARO pneumatic 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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Compatible alternatives & equivalents

Cross-referenced by specification & description
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This pneumatic exhaust muffler features a 3/4 in NPT port size, a flow rating of 112 scfm, and 40 micron filtration. It has a bronze body and a steel core. Used to reduce exhaust noise and filter particulates in pneumatic systems, such as on air cylinders and valves
ARROW PNEUMATICS
This pneumatic exhaust muffler features a 3/4 in NPT port size, a flow rating of 112 scfm, and 40 micron filtration. It has a bronze body and a steel core. Used to reduce exhaust noise and filter particulates in pneumatic systems, such as on air cylinders and valves
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This muffler reduces exhaust noise on ARO air-operated double-diaphragm pumps. It is a direct replacement component designed to dampen sound levels during pump operation in industrial settings

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