We ship to the Philippines — door-to-door, customs and logistics handled by 3G Electric

MUELLER Diaphragm Valve: 3/8 in Female Sweat, Std Lg Body - Sweat-to-Sweat Connection Diaphragm Valves
MUELLERSweat-to-Sweat Connection Diaphragm Valves

MUELLER Diaphragm Valve: 3/8 in Female Sweat, Std Lg Body

The MUELLER Diaphragm Valve (MPN A 14840) is a sweat-to-sweat connection diaphragm valve with a 3/8 in Female Sweat connection, featuring a standard length body and a 0.6 in base-to-port center height. It is A2L…

SKU 3G-OTH-72217

Brand
MUELLER
Item
Diaphragm Valve: 3/8 in Female Sweat, Std Lg Body
Category
Sweat-to-Sweat Connection Diaphragm Valves
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

MUELLER
Manufacturer Part Number
A 14840
Type
Std Lg Body, 0.6 in Base to Port Center Ht
A2L Compatible
Yes
View Full Spec Sheet

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 Diaphragm Valve (MPN A 14840) is a sweat-to-sweat connection diaphragm valve with a 3/8 in Female Sweat connection, featuring a standard length body and a 0.6 in base-to-port center height. It is A2L compatible, as specified by the manufacturer.

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 the MUELLER A 14840 diaphragm valve used for?

The MUELLER A 14840 diaphragm valve is used for on-off or throttling service in HVAC and refrigeration systems. Its sweat-to-sweat connection and A2L compatibility make it suitable for low-pressure liquid or gas lines where leak-tight shutoff is required.

What are the specifications of the MUELLER A 14840 diaphragm valve?

The MUELLER A 14840 is a sweat-to-sweat connection diaphragm valve with a 3/8 in female sweat connection, standard length body, and 0.6 in base-to-port center height. It is A2L compatible per the manufacturer. The MPN is A 14840.

Where to buy the MUELLER A 14840 diaphragm valve worldwide?

3G Electric supplies the MUELLER A 14840 diaphragm valve worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time.

How to install a MUELLER sweat-to-sweat diaphragm valve?

Install the MUELLER A 14840 by brazing the sweat connections per standard HVAC practices. Ensure the valve is fully open during brazing to protect the diaphragm. After cooling, close the valve slowly to verify leak-tight operation. Always follow local codes.

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-to-sweat connection diaphragm 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

Similar products

Matched by specification & description
SMC Speed Control Valve: Elbow Fitting, Screw, 3/8 in Valve Body Size, 10 mm Push to Connect Tube (MPN AS3201F-02-10S). Key specifications — attr947203: Brass/PBT; attr947205: SMC.
SMC
SMC Speed Control Valve: Elbow Fitting, Screw, 3/8 in Valve Body Size, 10 mm Push to Connect Tube (MPN AS3201F-02-10S). Key specifications — attr947203: Brass/PBT; attr947205: SMC.
SMC Speed Control Valve: Elbow Fitting, Screw, 3/8 in Valve Body Size, 12 mm Push to Connect Tube (MPN AS3201F-03-12S). Key specifications — attr947203: Brass/PBT; attr947205: SMC.
SMC
SMC Speed Control Valve: Elbow Fitting, Screw, 3/8 in Valve Body Size, 12 mm Push to Connect Tube (MPN AS3201F-03-12S). Key specifications — attr947203: Brass/PBT; attr947205: SMC.
SMC Speed Control Valve: Elbow Fitting, Screw, 3/8 in Valve Body Size, 8 mm Push to Connect Tube (MPN AS3201F-03-08S). Key specifications — attr947203: Brass/PBT; attr947205: SMC.
SMC
SMC Speed Control Valve: Elbow Fitting, Screw, 3/8 in Valve Body Size, 8 mm Push to Connect Tube (MPN AS3201F-03-08S). Key specifications — attr947203: Brass/PBT; attr947205: SMC.
SMC Speed Control Valve: Elbow Fitting, Screw, 3/8 in Valve Body Size, 10 mm Push to Connect Tube (MPN AS3201F-03-10S). Key specifications — attr947203: Brass/PBT; attr947205: SMC.
SMC
SMC Speed Control Valve: Elbow Fitting, Screw, 3/8 in Valve Body Size, 10 mm Push to Connect Tube (MPN AS3201F-03-10S). Key specifications — attr947203: Brass/PBT; attr947205: SMC.
SMC Speed Control Valve: Elbow Fitting, Screw, 3/8 in Valve Body Size, 6 mm Push to Connect Tube (MPN AS3201F-03-06SA). Key specifications — attr947203: Brass/PBT; attr947205: SMC.
SMC
SMC Speed Control Valve: Elbow Fitting, Screw, 3/8 in Valve Body Size, 6 mm Push to Connect Tube (MPN AS3201F-03-06SA). Key specifications — attr947203: Brass/PBT; attr947205: SMC.
SMC Speed Control Valve: Elbow Fitting, Screw, 3/8 in Valve Body Size, 6 mm Push to Connect Tube (MPN AS3201F-02-06S). Key specifications — attr947203: Brass/PBT; attr947205: SMC.
SMC
SMC Speed Control Valve: Elbow Fitting, Screw, 3/8 in Valve Body Size, 6 mm Push to Connect Tube (MPN AS3201F-02-06S). Key specifications — attr947203: Brass/PBT; attr947205: SMC.

More from MUELLER

View all MUELLER parts
MUELLER Diaphragm Valve: 1/2 in Female Sweat, Extended Lg Body, 0.8 in Base to Port Center Ht (MPN A 14851C). Key specifications — Brand: MUELLER; A2L Compatible: Yes.
MUELLER
MUELLER Diaphragm Valve: 1/2 in Female Sweat, Extended Lg Body, 0.8 in Base to Port Center Ht (MPN A 14851C). Key specifications — Brand: MUELLER; A2L Compatible: Yes.
MUELLER Diaphragm Valve: 1/4 in Female Sweat, Extended Lg Body, 0.6 in Base to Port Center Ht (MPN A 14848). Key specifications — Brand: MUELLER; A2L Compatible: Yes.
MUELLER
MUELLER Diaphragm Valve: 1/4 in Female Sweat, Extended Lg Body, 0.6 in Base to Port Center Ht (MPN A 14848). Key specifications — Brand: MUELLER; A2L Compatible: Yes.
MUELLER Diaphragm Valve: 1/2 in Female Sweat, Std Lg Body, 0.8 in Base to Port Center Ht (MPN A 14841). Key specifications — Brand: MUELLER; A2L Compatible: Yes.
MUELLER
MUELLER Diaphragm Valve: 1/2 in Female Sweat, Std Lg Body, 0.8 in Base to Port Center Ht (MPN A 14841). Key specifications — Brand: MUELLER; A2L Compatible: Yes.
MUELLER Diaphragm Valve: 1/4 in Female Sweat, Std Lg Body, 0.6 in Base to Port Center Ht (MPN A 14838). Key specifications — Brand: MUELLER; A2L Compatible: Yes.
MUELLER
MUELLER Diaphragm Valve: 1/4 in Female Sweat, Std Lg Body, 0.6 in Base to Port Center Ht (MPN A 14838). Key specifications — Brand: MUELLER; A2L Compatible: Yes.
MUELLER Diaphragm Valve: 3/8 in Female Sweat, Extended Lg Body, 0.6 in Base to Port Center Ht (MPN A 14850C). Key specifications — Brand: MUELLER; A2L Compatible: Yes.
MUELLER
MUELLER Diaphragm Valve: 3/8 in Female Sweat, Extended Lg Body, 0.6 in Base to Port Center Ht (MPN A 14850C). Key specifications — Brand: MUELLER; A2L Compatible: Yes.
MUELLER Diaphragm Valve: 5/8 in Female Sweat, Extended Lg Body, 0.8 in Base to Port Center Ht (MPN A 14852C). Key specifications — Brand: MUELLER; A2L Compatible: Yes.
MUELLER
MUELLER Diaphragm Valve: 5/8 in Female Sweat, Extended Lg Body, 0.8 in Base to Port Center Ht (MPN A 14852C). Key specifications — Brand: MUELLER; A2L Compatible: Yes.
MUELLER Diaphragm Valve: 5/8 in Female Sweat, Std Lg Body, 0.8 in Base to Port Center Ht (MPN A 14842). Key specifications — Brand: MUELLER; A2L Compatible: Yes.
MUELLER
MUELLER Diaphragm Valve: 5/8 in Female Sweat, Std Lg Body, 0.8 in Base to Port Center Ht (MPN A 14842). Key specifications — Brand: MUELLER; A2L Compatible: Yes.