SMC Push-Fit Wye Fitting: 4 mm OD x 4 mm OD x 6 mm Pipe x 4 mm OD Size
The SMC Push-Fit Wye Fitting (MPN KQ2U04-M6A) is a polybutylene and brass tube fitting with a 4 mm OD x 4 mm OD x 6 mm pipe x 4 mm OD size and 34 29/32 mm overall length. 3G Electric interprets this demand and…
SKU 3G-OTH-488977
Need installation or engineering help?
Ask a question
Product Description
The SMC Push-Fit Wye Fitting (MPN KQ2U04-M6A) is a polybutylene and brass tube fitting with a 4 mm OD x 4 mm OD x 6 mm pipe x 4 mm OD size and 34 29/32 mm overall length. 3G Electric interprets this demand and delivers it across 14 industrial departments, with specialist depth in combustion, pumps and controls as an authorised distributor.
Frequently Asked Questions
What is the SMC Push-Fit Wye Fitting used for?
The SMC Push-Fit Wye Fitting (KQ2U04-M6A) is used to split or combine pneumatic tubing lines in industrial automation, packaging, and material handling systems. It connects 4 mm OD tubes to a 6 mm pipe thread, enabling reliable air flow distribution in tight spaces.
What are the specifications of the SMC KQ2U04-M6A fitting?
The SMC KQ2U04-M6A is a polybutylene and brass push-fit wye fitting with a 4 mm OD x 4 mm OD x 6 mm pipe size and an overall length of 34 29/32 mm. It is designed for pneumatic systems requiring a compact, leak-resistant branch connection.
Where to buy the SMC KQ2U04-M6A fitting worldwide?
3G Electric supplies the SMC KQ2U04-M6A push-fit wye fitting worldwide. We handle full logistics, customs clearance, and delivery to your site. As a global industrial solutions provider, we source and deliver genuine SMC components across 14 departments, including pneumatics.
How to install the SMC push-fit wye fitting?
To install the SMC KQ2U04-M6A, ensure tubing is cut square and fully inserted into the push-fit connector until it clicks. No tools are needed. For removal, press the release collet and pull the tube out. Always verify the 6 mm pipe thread is properly sealed with thread tape.
Used in
Common applications for SMCSMC Products
3G Electric supplies SMC polybutylene & brass tube fittings. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.









