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MUELLER B 34239 Four-Bolt Check Valve - Four-Bolt Check Valves
MUELLERFour-Bolt Check Valves

MUELLER B 34239 Four-Bolt Check Valve

The MUELLER Refrigerant Check Valve is a four-bolt check valve constructed from brass. This model, manufacturer part number B 34239, features 2 1/8-inch connections and a 1 1/2-inch cut out.

SKU 3G-OTH-72065

Also listed as: B34239 · B-34239

Brand
MUELLER
Item
B 34239 Four-Bolt Check Valve
Part Number
B 34239
Category
Four-Bolt Check Valves
Available to Order
Also known as:B 34239MUELLER
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Technical Specifications

MUELLER
Manufacturer Part Number
B 34239
Material
Brass
Cut Out
1 1/2 in
Connections
2 1/8 in

Technical Documents

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

Product Description

The MUELLER Refrigerant Check Valve is a four-bolt check valve constructed from brass. This model, manufacturer part number B 34239, features 2 1/8-inch connections and a 1 1/2-inch cut out.

Frequently Asked Questions

What is the MUELLER Refrigerant Check Valve used for?

The MUELLER Refrigerant Check Valve is used in refrigeration and HVAC systems to allow refrigerant flow in one direction only, preventing backflow. It is commonly installed in discharge, liquid, or suction lines to protect compressors and maintain system efficiency.

What are the specifications of the MUELLER B 34239 check valve?

The MUELLER B 34239 is a four-bolt check valve made of brass. It has 2 1/8-inch connections and a 1 1/2-inch cut out. This model is designed for refrigerant lines and is manufactured by MUELLER under part number B 34239.

Where to buy the MUELLER B 34239 check valve worldwide?

You can source the MUELLER B 34239 check valve through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring the valve reaches your facility reliably.

How to install a MUELLER four-bolt check valve?

Install the MUELLER four-bolt check valve in the correct flow direction, as indicated by the arrow on the body. Use appropriate sealing methods on the 2 1/8-inch connections and tighten the four bolts evenly to avoid leaks. Always follow standard refrigeration piping practices.

Used in

Common applications for MUELLER
Commercial refrigeration — Mueller diaphragm valves (e.g., MPN A 14841) for refrigerant flow control in supermarket racks and cold storage.
HVAC systems — Mueller sight glasses (e.g., MPN A 18101) for monitoring refrigerant charge and detecting moisture in air conditioning lines.
Industrial process cooling — Mueller ball valves (e.g., MPN A 17934) for isolating flow in chiller and process piping.
Refrigeration compressor protection — Mueller magnetic check valves (e.g., MPN A 17939) to prevent backflow and compressor damage.
A2L refrigerant systems — Mueller A2L-compatible valves and components for use with low-flammability refrigerants in new equipment.
Refrigerant piping maintenance — Mueller check valves and sight glasses for system diagnostics and repair in HVAC and refrigeration.
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MUELLER Products

3G Electric supplies MUELLER four-bolt check valves. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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