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RAPIDAIR Compression Fitting Coupling: 5/8 in OD 5/8 in OD Fitting Size - Compressed Air System Brass Compression Tube Fittings
RAPIDAIRCompressed Air System Brass Compression Tube Fittings

RAPIDAIR Compression Fitting Coupling: 5/8 in OD 5/8 in OD Fitting Size

The RAPIDAIR Compression Fitting Coupling (MPN M8021) is a brass compression tube fitting for compressed air systems, configured as Compression x Compression with a 5/8 in OD fitting size. 3G Electric interprets your…

SKU 3G-OTH-477627

Brand
RAPIDAIR
Item
Compression Fitting Coupling: 5/8 in OD 5/8 in OD Fitting Size
Category
Compressed Air System Brass Compression Tube Fittings
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Technical Specifications

RAPIDAIR
Manufacturer Part Number
M8021
Type
Compression x Compression
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RAPIDAIR Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The RAPIDAIR Compression Fitting Coupling (MPN M8021) is a brass compression tube fitting for compressed air systems, configured as Compression x Compression with a 5/8 in OD fitting size. 3G Electric interprets your demand for this OEM part, sources it through our global supply network, and supports your procurement with specialist expertise across 14 industrial departments — including pneumatics — backed by deep knowledge in combustion, pumps and controls.

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 RAPIDAIR M8021 compression fitting coupling used for?

The RAPIDAIR M8021 is a brass compression fitting coupling used to join two 5/8 in OD tubes in compressed air systems. It provides a leak-tight, reusable connection without soldering or flaring, making it ideal for pneumatic lines in industrial automation, manufacturing, and maintenance applications.

What are the specifications of the RAPIDAIR M8021?

The RAPIDAIR M8021 is a Compression x Compression coupling with a 5/8 in OD fitting size on both ends. It is made of brass for corrosion resistance and durability in compressed air systems. The manufacturer part number is M8021, and the brand is RAPIDAIR.

Where to buy the RAPIDAIR M8021 worldwide?

3G Electric supplies the RAPIDAIR M8021 compression fitting coupling worldwide. We handle full logistics, customs clearance, and delivery to your site. As a global industrial solutions provider with expertise across 14 departments including pneumatics, we source this OEM part through our supply network to meet your demand.

How to install a RAPIDAIR compression fitting coupling?

To install the RAPIDAIR M8021, cut the tube square, deburr the end, and slide the nut and ferrule onto the tube. Insert the tube fully into the fitting body, then tighten the nut by hand until snug, followed by a wrench turn per manufacturer guidelines. Avoid over-tightening to prevent damage.

Used in

Common applications for RAPIDAIR
Industrial compressed air distribution — RAPIDAIR Fastpipe Installation Tool Kit (MPN F0137) for assembling 1 in aluminum piping in manufacturing plants
Automotive repair shops — RAPIDAIR Fastpipe Installation Tool Kit (MPN F0136) for installing 3/4 in compressed air lines to pneumatic tools
Food and beverage processing — RAPIDAIR Fastpipe Installation Tool Kit (MPN F0138) for 1-1/2 in piping in washdown areas requiring corrosion-resistant aluminum
Pharmaceutical facilities — RAPIDAIR Fastpipe Installation Tool Kit (MPN F0145) for 2 in clean compressed air distribution in controlled environments
Warehouse and logistics centers — RAPIDAIR Fastpipe Installation Tool Kit (MPN F0137) for 1 in piping to power automated sorting equipment
Machine shops — RAPIDAIR Fastpipe Installation Tool Kit (MPN F0136) for 3/4 in lines supplying CNC machines and air chucks

RAPIDAIR Products

3G Electric supplies RAPIDAIR compressed air system brass compression tube fittings. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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