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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 A 18937) 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-72407

Also listed as: A18937 · A-18937

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

Delivery
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
A 18937
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 A 18937) 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 A 18937 used for?

The MUELLER Refrigerant Ball Valve A 18937 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 integrated access port enables service or charging without additional fittings. It is A2L compatible for use with mildly flammable refrigerants.

What are the specifications of the MUELLER A 18937 ball valve?

The MUELLER A 18937 has a 1 Cv flow coefficient, a 1/4 in male sweat connection, an access port, and no relief port. It is A2L compatible and operates from -40°F to 300°F. The manufacturer part number is A 18937.

Where to buy the MUELLER A 18937 refrigerant ball valve worldwide?

3G Electric supplies the MUELLER A 18937 refrigerant ball valve worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.

How to install the MUELLER A 18937 sweat connection ball valve?

Install the MUELLER A 18937 by brazing the 1/4 in male sweat end into the copper line. Use a wet rag to protect the valve body from heat, and avoid overheating the access port. After brazing, allow the joint to cool, then pressure-test the system before opening the valve.

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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