ARO Circuitry Valve Muffler: 1/4 in, 9/16 in Hex Size
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
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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.
Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.
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 AROARO 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.






