We ship to the Philippines — door-to-door, customs and logistics handled by 3G Electric

ARO Circuitry Valve Muffler: 1/4 in, 9/16 in Hex Size - Pneumatic Exhaust Mufflers
AROPneumatic Exhaust Mufflers

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

Brand
ARO
Item
Circuitry Valve Muffler: 1/4 in, 9/16 in Hex Size
Category
Pneumatic Exhaust Mufflers
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

ARO
Manufacturer Part Number
20312-2
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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.

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 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.

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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Similar products

Matched by specification & description
ARO Circuitry Valve Silencer: 3/4 in, 300 psi Max Op Pressure (MPN 20308-6). Key specifications — attr124412: ARO.
ARO
ARO Circuitry Valve Silencer: 3/4 in, 300 psi Max Op Pressure (MPN 20308-6). Key specifications — attr124412: ARO.
ARO Muffler: Mfr Part # 94117. Key specifications — Manufacturer Part Number: 94117; Compatible with Brand: ARO; Includes: MNPT Air Connector.
ARO
ARO Muffler: Mfr Part # 94117. Key specifications — Manufacturer Part Number: 94117; Compatible with Brand: ARO; Includes: MNPT Air Connector.
ARROW PNEUMATICS Pneumatic Exhaust Muffler: 1/4 in NPT, 21 scfm, Steel, 40 micron, Bronze (MPN ASP-2). Key specifications — attr124412: ARROW PNEUMATICS; attr124418: Bronze; attr124422: Bronze; attr124426: Steel.
ARROW PNEUMATICS
ARROW PNEUMATICS Pneumatic Exhaust Muffler: 1/4 in NPT, 21 scfm, Steel, 40 micron, Bronze (MPN ASP-2). Key specifications — attr124412: ARROW PNEUMATICS; attr124418: Bronze; attr124422: Bronze; attr124426: Steel.
ARO
ARO
ARO Muffler: Mfr Part # 97295. Key specifications — Manufacturer Part Number: 97295; Compatible with Brand: ARO.
ARO Muffler: Aluminum, Mfr Part # 67463. Key specifications — Manufacturer Part Number: 67463; Compatible with Brand: ARO; Includes: Y43-5-C Elbow; Housing Material: Aluminum.
ARO
ARO Muffler: Aluminum, Mfr Part # 67463. Key specifications — Manufacturer Part Number: 67463; Compatible with Brand: ARO; Includes: Y43-5-C Elbow; Housing Material: Aluminum.
ARO Muffler: Mfr Part # 94810. Key specifications — Manufacturer Part Number: 94810; Compatible with Brand: ARO.
ARO
ARO Muffler: Mfr Part # 94810. Key specifications — Manufacturer Part Number: 94810; Compatible with Brand: ARO.

More from ARO

View all ARO parts