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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 check valves for transferring corrosive acids and solvents.
Wastewater treatment — ARO aluminum-housing AODD pumps handling sludge and abrasive slurries in treatment plants.
Packaging automation — ARO PremAir series solenoid valves controlling pneumatic actuators on filling and sealing machines.
Mining operations — ARO 316 stainless steel AODD pumps for dewatering and transferring abrasive mine tailings.
Material handling — ARO MaxAir series foot pedal valves for manual control of conveyor diverters and lift tables.
Maintenance repair — ARO repair kits for field servicing of lower pump assemblies in industrial fluid systems.
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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
ARO
ARO
This muffler is designed to reduce exhaust noise on ARO air-operated double-diaphragm (AODD) pumps. It helps meet workplace noise regulations and protects internal pump components by filtering exhaust air. Compatible exclusively with ARO-brand pumps
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
ARO
ARO
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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