Send a part number, a photo, or a whole BOM — we supply it and stand behind it. EXW Singapore — collect from our office.

3G Electric
MUELLER B 34236 Four-Bolt Check Valve, 1 1/8 in Connections, 1 in Cut Out, Brass - Four-Bolt Check Valves
MUELLERFour-Bolt Check Valves

MUELLER B 34236 Four-Bolt Check Valve, 1 1/8 in Connections, 1 in Cut Out, Brass

The MUELLER Refrigerant Check Valve is a four-bolt check valve made of brass. It features 1 1/8 in connections and a 1 in cut out, identified by manufacturer part number B 34236.

SKU 3G-OTH-72045

Also listed as: B34236 · B-34236

Brand
MUELLER
Item
B 34236 Four-Bolt Check Valve, 1 1/8 in Connections, 1 in Cut Out, Brass
Part Number
B 34236
Category
Four-Bolt Check Valves
Available to Order
Also known as:B 34236MUELLER
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
EXW Singapore
Collect or forward from our office
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.

Technical Specifications

MUELLER
Manufacturer Part Number
B 34236
Material
Brass
Cut Out
1 in
Connections
1 1/8 in

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

The MUELLER Refrigerant Check Valve is a four-bolt check valve made of brass. It features 1 1/8 in connections and a 1 in cut out, identified by manufacturer part number B 34236.

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 system efficiency. The brass construction resists corrosion in industrial and commercial HVACR applications.

What are the specifications of the MUELLER B 34236 check valve?

The MUELLER B 34236 is a four-bolt check valve made of brass. It has 1 1/8 in connections and a 1 in cut out. This valve is designed for refrigerant lines and is identified by manufacturer part number B 34236. It is suitable for use with common refrigerants in HVACR systems.

Where to buy MUELLER refrigerant check valves worldwide?

3G Electric supplies MUELLER refrigerant check valves worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us to source the MUELLER B 34236 four-bolt check valve for your HVACR project.

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 compatible refrigerant-grade sealants on the 1 1/8 in connections. Tighten bolts evenly to manufacturer torque specifications. Always follow system-specific safety and pressure guidelines.

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.
Not sure this is the right part? Photo-identify it→

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.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

More from MUELLER

View all MUELLER parts →

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first