MI Series

At #MCJ, we offer a diverse range of copper joints designed to meet the highest standards across various industries. From advanced joints to fittings, our products ensure maximum efficiency and reliability in any application. Whether you are in HVAC, plumbing, or industrial sectors, our copper joints are crafted to deliver exceptional performance, durability, and ease of installation.

Each series in our product range is designed to address specific needs, offering versatility and adaptability. With a wide variety of sizes and configurations, our joints provide solutions for everything from small-scale projects to large, complex systems. No matter the challenge, #MCJ has the right product for you.

Model NoPipe-APipe-BPipe-C
My-F QZHIN-01 (Gas Side)19.05 (3/4) - 15.88 (5/8)19.05 (3/4) - 15.88 (5/8) - 12.7 (1/2)19.05 (3/4) - 15.88 (5/8) - 12.7 (1/2)
My-FQZHN-01 (Liquid Side)12.7 (1/2) - 9.52 (3/8)12.7 (1/2) - 9.52 (3/8) - 6.35 (1/4)12.7 (1/2) - 9.52 (3/8) - 6.35 (1/4)
My-FQZHN-02 (Gas Side)25.4 (1) - 22.2 (7/8)22.2 (7/8) - 19.05 (3/4) - 15.88 (5/8)22.2 (7/8) - 19.05 (3/4) - 15.88 (5/8) - 12.7 (1/2)
My-FQZHN-02 (Liquid Side)9.52 (3/8) - 12.7 (1/2)12.7 (1/2) - 9.52 (3/8) - 6.35 (1/4)112.7 (1/2) - 9.52 (3/8) - 6.35 (1/4)
My-FQZHN-03 (Gas Side)31.75 (14/4) - 28.58 (49/81)28.58 (11/8) - 22.2 (7/8) - 19.05 (3/4)28.58 (11/8) - 22.2 (7/8) - 19.05 (3/4) - 15.88 (5/8)
My-FQZHN-03 (Liquid Side)19.05 (3/4) - 15.88 (5/8)15.88 (5/8) - 12.7 (1/2) - 9.52 (3/8)15.88 (5/8) - 12.7 (1/2) - 9.52 (3/8) - 6.35 (1/4)
My-FQZHN-04 (Gas Side)38.10 (11/2) - 34.93 (13/8)34.93 (13/8) - 28.58 (11/8) - 22.2 (7/8)34.93 (13/8) - 28.58 (11/8) - 22.2 (7/8) - 19.05 (3/4)
My-FQZHN-04 (Liquid Side)22.2 (7/8) - 19.05 (3/4)19.05 (3/4) - 15.88 (5/8) - 12.7 (1/2)19.05 (3/4) - 15.88 (5/8) - 12.7 (1/2) - 9.52 (3/8)

Why Us

We Use Top-grade
Copper Raw Material

Brazing Alloy With
2% Silver Content

Available in XLPE & Nitrile Insulation Options

Compatible With
R410 Refrigerant

Pressure Tested

Precision in Design
and Manufacturing

Trusted by Leading Brand
as an OEM Supplier

Learn more about our products

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