SERTO SO 51021-6 058.1020.060

SERTO Straight Union Compression Fitting for 6mm Tubing

Description

This SERTO SO 51021-6 is a high-performance straight union fitting, engineered in Switzerland for precision and reliability. It is designed to connect two pieces of 6mm outside diameter tubing, providing a secure and leak-tight seal. Manufactured from INOX (stainless steel 1.4404 / 316L), this fitting offers excellent resistance to corrosion and is suitable for use in various industrial applications, including pneumatics, instrumentation, and fluid handling systems.

Specifications

• Manufacturer: SERTO
• Part Number: 058.1020.060
• Series: SO 51021-6
• Type: Straight Union
• Connection Type: Double Ferrule Compression Fitting
• Tube Outer Diameter: 6 mm
• Material: Stainless Steel (1.4404 / 316L)

Label Info

• Brand: SERTO INOX
• Model: 058.1020.060
• Type: SO 51021-6

Application

Ideal for connecting metal tubes in control systems, laboratory equipment, process control lines, and other applications requiring high-purity or corrosion-resistant connections.

Country of Origin

Made in Switzerland.

CO2 Impact

By choosing this surplus item, you help avoid the production of a new one, saving approximately 0.05 kg of CO2. This is a small but meaningful step towards a more sustainable industrial practice.

Availability

This item is in stock and ready for immediate dispatch. Order now from spareparts2day for expert support and fast delivery.

FAQ

What is the maximum working pressure for this fitting?

The maximum working pressure for the SERTO SO 51021 series in stainless steel for 6mm tubing is typically up to 250 bar (3625 PSI), depending on the tubing material and wall thickness. Always consult the official SERTO datasheet for your specific application’s pressure and temperature ratings.

Is this fitting compatible with tubing from other manufacturers like Swagelok?

While dimensionally similar to other twin-ferrule fittings, it is strongly recommended not to mix and match components (nuts, ferrules, bodies) from different manufacturers. Doing so can compromise the integrity of the seal and void warranties. For guaranteed performance, always use SERTO components together.

What are the correct assembly instructions to ensure a leak-proof seal?

For proper assembly, insert the tube into the fitting until it bottoms out against the shoulder. While holding the fitting body steady with a wrench, tighten the nut 1 and 1/4 turns from the finger-tight position. This ensures the ferrules swage correctly onto the tube, creating a secure seal.

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Last Update: Friday, March 13, 2026