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MUELLER Refrigerant Check Valve: Four-Bolt Check Valve, 2 5/8 in Connections - Four-Bolt Check Valves
MUELLERFour-Bolt Check Valves

MUELLER Refrigerant Check Valve: Four-Bolt Check Valve, 2 5/8 in Connections

The MUELLER Refrigerant Check Valve is a four-bolt check valve constructed from brass. This model, manufacturer part number B 34240, features 2 5/8-inch connections and a 1 7/8-inch cut out.

SKU 3G-OTH-72082

Also listed as: B34240 · B-34240

Brand
MUELLER
Item
Refrigerant Check Valve: Four-Bolt Check Valve, 2 5/8 in Connections
Category
Four-Bolt Check Valves
Available to Order
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Technical specs
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

MUELLER
Manufacturer Part Number
B 34240
Material
Brass
Cut Out
1 7/8 in
Connections
2 5/8 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 34240, features 2 5/8-inch connections and a 1 7/8-inch cut out.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is a MUELLER four-bolt refrigerant check valve used for?

A MUELLER four-bolt refrigerant check valve prevents reverse flow in refrigeration and air-conditioning systems. It is used in liquid, suction, or hot-gas lines to protect compressors and ensure one-direction flow. The brass construction resists corrosion in industrial and commercial HVACR applications.

What are the specifications of the MUELLER B 34240 check valve?

The MUELLER B 34240 is a four-bolt check valve made of brass. It has 2 5/8-inch connections and a 1 7/8-inch cut out. This model is designed for refrigerant lines and is manufactured by MUELLER, a recognized brand in HVACR components.

Where to buy a MUELLER B 34240 check valve worldwide?

3G Electric supplies the MUELLER B 34240 four-bolt check valve to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for a quote and lead time on this brass refrigerant check valve.

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 gaskets and torque the bolts evenly to the manufacturer's specification. Ensure the line is clean and free of debris before installation to prevent leakage.

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 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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Cross-referenced by specification & description
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WATTS Double Check Valve Assembly: LF007, 3/4 in Pipe Size, FNPT x FNPT, 14.5 in Overall Lg, Plastic (MPN 3/4 LF007M3-QT-S-FZ)
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WATTS Double Check Valve Assembly: LF007, 2 in Pipe Size, FNPT x FNPT, 25.75 in Overall Lg, Plastic (MPN 2 LF007M1-QT-S-FZ)
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WATTS Double Check Valve Assembly: LF007, 2 in Pipe Size, FNPT x FNPT, 25.75 in Overall Lg, Plastic (MPN 2 LF007M1-QT-S-FZ)
ZURN Double Check Backflow Preventer: 350A, 4 in Pipe Size, 38.25 in Overall Lg, 33°F – 140°F, EPDM (MPN 4-350A)
ZURN
ZURN Double Check Backflow Preventer: 350A, 4 in Pipe Size, 38.25 in Overall Lg, 33°F – 140°F, EPDM (MPN 4-350A)
ZURN Double Check Backflow Preventer: 350AST, 4 in Pipe Size, Flange x Flange, 34.88 in Overall Lg (MPN 4-350AST)
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ZURN Double Check Backflow Preventer: 350AST, 4 in Pipe Size, Flange x Flange, 34.88 in Overall Lg (MPN 4-350AST)

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