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MUELLER Refrigerant Ball Valve: 1 Cv, 1/4 in Male Sweat, Access Port, No Relief Port - Sweat Connection Refrigeration Ball Valves
MUELLERSweat Connection Refrigeration Ball Valves

MUELLER Refrigerant Ball Valve: 1 Cv, 1/4 in Male Sweat, Access Port, No Relief Port

The MUELLER Refrigerant Ball Valve (MPN AQ17859) is a sweat connection refrigeration ball valve with a 1 Cv flow coefficient and a 1/4 in male sweat connection. It features an access port, no relief port, and is A2L…

SKU 3G-OTH-72167

Also listed as: AQ 17859 · AQ-17859

Brand
MUELLER
Item
Refrigerant Ball Valve: 1 Cv, 1/4 in Male Sweat, Access Port, No Relief Port
Category
Sweat Connection Refrigeration Ball Valves
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Local availability & support

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Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

MUELLER
Manufacturer Part Number
AQ17859
Type
Access Port, No Relief Port, -40°F to 300°F
Male Sweat
1/4 in
Access Port
Yes
Relief Port
No
A2L Compatible
Yes

Technical Documents

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

Product Description

The MUELLER Refrigerant Ball Valve (MPN AQ17859) is a sweat connection refrigeration ball valve with a 1 Cv flow coefficient and a 1/4 in male sweat connection. It features an access port, no relief port, and is A2L compatible, with an operating temperature range of -40°F to 300°F.

Frequently Asked Questions

What is the MUELLER Refrigerant Ball Valve AQ17859 used for?

The MUELLER Refrigerant Ball Valve AQ17859 is used in HVAC and refrigeration systems to control refrigerant flow. Its 1/4 in male sweat connection allows brazing into copper lines, and the access port enables service diagnostics. A2L compatibility makes it suitable for low-flammability refrigerants like R-32 and R-454B.

What are the specifications of the MUELLER AQ17859 ball valve?

The MUELLER AQ17859 has a 1 Cv flow coefficient, 1/4 in male sweat connection, and an operating temperature range of -40°F to 300°F. It includes an access port, has no relief port, and is A2L compatible. The manufacturer part number is AQ17859.

Where to buy the MUELLER AQ17859 refrigerant ball valve worldwide?

3G Electric supplies the MUELLER AQ17859 refrigerant ball valve 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.

How to install a MUELLER sweat connection ball valve?

To install the MUELLER AQ17859, clean and flux the copper tube and valve sweat connection. Braze using a nitrogen purge to prevent oxidation, keeping the valve body below 300°F. After cooling, pressure-test the system. Always follow standard refrigeration piping practices and local codes.

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 sweat connection refrigeration ball valves. 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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