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MUELLER Refrigerant Ball Valve: 5 Cv, 1/2 in Male Sweat, Access Port, No Relief Port - Sweat Connection Refrigeration Ball Valves
MUELLERSweat Connection Refrigeration Ball Valves

MUELLER Refrigerant Ball Valve: 5 Cv, 1/2 in Male Sweat, Access Port, No Relief Port

The MUELLER Refrigerant Ball Valve: 5 Cv is a sweat connection refrigeration ball valve with a 1/2 in male sweat connection. It features an access port, no relief port, and is A2L compatible, with an operating…

SKU 3G-OTH-72836

Also listed as: A18939 · A-18939

Brand
MUELLER
Item
Refrigerant Ball Valve: 5 Cv, 1/2 in Male Sweat, Access Port, No Relief Port
Category
Sweat Connection Refrigeration Ball Valves
Available to Order
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

MUELLER
Manufacturer Part Number
A 18939
Type
Access Port, No Relief Port, -40°F to 300°F
Male Sweat
1/2 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: 5 Cv is a sweat connection refrigeration ball valve with a 1/2 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 (MPN A 18939).

Frequently Asked Questions

What is the MUELLER Refrigerant Ball Valve used for?

The MUELLER Refrigerant Ball Valve is used in HVAC and refrigeration systems to control refrigerant flow. It is suitable for A2L refrigerants and sweat connection installations, with an operating range of -40°F to 300°F.

What are the specifications of the MUELLER Refrigerant Ball Valve A 18939?

The MUELLER A 18939 has a 1/2 in male sweat connection, 5 Cv flow coefficient, access port, no relief port, and is A2L compatible. It operates from -40°F to 300°F and is designed for sweat connection refrigeration systems.

Where to buy the MUELLER Refrigerant Ball Valve worldwide?

3G Electric supplies the MUELLER Refrigerant Ball Valve worldwide. We handle full logistics, customs clearance, and delivery to your location. Contact us to source this valve for your refrigeration project.

How to install a MUELLER sweat connection ball valve?

Install the MUELLER ball valve by brazing the 1/2 in male sweat connection into the copper line. Ensure the valve is fully open during brazing to avoid damaging the seat. Follow standard refrigeration practices for A2L compatibility.

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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