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MUELLER Sight Glass: Flare, Brass - Flare Connection Sight Glasses
MUELLERFlare Connection Sight Glasses

MUELLER Sight Glass: Flare, Brass

The MUELLER Sight Glass is a flare connection sight glass constructed from brass, measuring 3 1/4 inches in length. This component, identified by manufacturer part number A 18103, is designed for visual inspection of…

SKU 3G-OTH-71666

Brand
MUELLER
Item
Sight Glass: Flare, Brass
Category
Flare Connection Sight Glasses
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Technical Specifications

MUELLER
Manufacturer Part Number
A 18103
Material
Brass
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MUELLER Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The MUELLER Sight Glass is a flare connection sight glass constructed from brass, measuring 3 1/4 inches in length. This component, identified by manufacturer part number A 18103, is designed for visual inspection of fluid flow in industrial piping systems.

Frequently Asked Questions

What is the MUELLER Sight Glass A 18103 used for?

The MUELLER Sight Glass A 18103 is used for visual inspection of fluid flow in industrial piping systems. Its brass construction and flare connection make it suitable for refrigeration, HVAC, and process lines where confirming flow, color, or clarity is critical for system diagnostics and maintenance.

What are the specifications of the MUELLER Sight Glass A 18103?

The MUELLER Sight Glass A 18103 is a flare connection sight glass made of brass, measuring 3 1/4 inches in length. The manufacturer part number is A 18103. It is designed for inline visual monitoring of fluid flow in industrial piping systems, offering durability and corrosion resistance.

Where to buy the MUELLER Sight Glass A 18103 worldwide?

3G Electric supplies the MUELLER Sight Glass A 18103 worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we source and deliver this brass flare sight glass globally.

How to install the MUELLER Sight Glass A 18103?

Install the MUELLER Sight Glass A 18103 by connecting the flare ends to matching flare fittings in the piping system. Tighten the union nut securely with a wrench, avoiding overtightening to prevent brass damage. Ensure the sight glass is oriented for clear visibility of fluid flow during operation.

Used in

Common applications for MUELLER
Commercial refrigeration systems — Mueller steel shell filter driers for moisture and contaminant removal in liquid lines.
HVAC installations — Mueller sweat connection ball valves for flow control in refrigerant circuits.
Industrial process cooling — Mueller magnetic check valves to prevent backflow in refrigerant piping.
Refrigeration system maintenance — Mueller flare nuts and bushings for access valve connections.
Low-GWP refrigerant systems — Mueller A2L-compatible ball valves for use with low-flammability refrigerants.
Retrofit projects — Mueller filter driers and valves for upgrading existing refrigeration equipment.

MUELLER Products

3G Electric supplies MUELLER flare connection sight glasses. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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