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List of products by brand Castel

We offer components from Castel Engineering for professional refrigeration and air conditioning work. Their range focuses on practical installation and finishing solutions used in cold rooms, freezers and cleanrooms, as well as accessories for heat pumps and split air conditioning units.

If you’re maintaining an existing installation or building a new project, the right profiles, ducts and protective elements help improve hygiene, durability and day-to-day usability.

Weld Coupling 1/4" SAE x 6 mm – Castel 7170/22 Weld Coupling 1/4" SAE x 6 mm – Castel 7170/22

Weld Coupling 1/4" SAE x 6 mm – Castel, Olab Compatible

The weld coupling 1/4" SAE x 6 mm is designed for strong, leak-free connections in refrigeration and HVAC systems. Compatible with Castel and Olab references, this coupling provides reliable performance and easy installation for commercial and industrial use. Features Connection: 1/4" SAE x 6 mm Strong, leak-proof design Easy welding and...
€6.16
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Elbow Coupling E2-4 1/4" SAE MM – Castel 7210/2 Elbow Coupling E2-4 1/4" SAE MM – Castel 7210/2

Elbow Coupling E2-4 1/4" SAE MM – Castel, Olab, Refco

The E2-4 elbow coupling 1/4" SAE MM is ideal for creating secure, leak-free bends in refrigeration and HVAC systems. Compatible with Castel, Olab, and Refco references, this coupling offers durable performance and easy installation for professional and industrial applications. Features Model: E2-4 Connection: 1/4" SAE MM Robust, leak-proof...
€12.28
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Elbow Coupling E2-6 3/8" SAE MM – Castel 7210/3 Elbow Coupling E2-6 3/8" SAE MM – Castel 7210/3

Elbow Coupling E2-6 3/8" SAE MM – Castel, Olab, Refco

The E2-6 elbow coupling 3/8" SAE MM is ideal for making secure, leak-free bends in refrigeration and HVAC systems. Compatible with Castel, Olab, and Refco references, this elbow coupling ensures reliable performance and easy installation for professional use. Features Model: E2-6 Connection: 3/8" SAE MM Durable, leak-proof construction Easy...
€5.16
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Elbow Coupling E1-4A SAE/NPT MM 1/4" x 1/8" – Castel 7230/21 Elbow Coupling E1-4A SAE/NPT MM 1/4" x 1/8" – Castel 7230/21

Elbow Coupling E1-4A SAE/NPT MM 1/4" x 1/8" – Castel, Olab

The E1-4A elbow coupling SAE/NPT MM 1/4" x 1/8" ensures a secure, leak-free bend in refrigeration and HVAC piping. Compatible with Castel and Olab references, this fitting provides robust performance and easy installation for professional applications. Features Model: E1-4A Connection: 1/4" SAE x 1/8" NPT MM Durable, leak-proof construction...
€3.31
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Elbow Coupling E1-4B SAE/NPT MM 1/4" x 1/4" – Castel 7220/2 Elbow Coupling E1-4B SAE/NPT MM 1/4" x 1/4" – Castel 7220/2

Elbow Coupling E1-4B SAE/NPT MM 1/4" x 1/4" – Castel, Olab

The E1-4B elbow coupling SAE/NPT MM 1/4" x 1/4" is designed for secure, leak-free connections in refrigeration and HVAC lines. Compatible with Castel and Olab references, this fitting ensures robust performance and simple installation for commercial and industrial applications. Features Model: E1-4B Connection: 1/4" SAE x 1/4" NPT MM Durable,...
€3.31
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Tee Fitting 1/4" SAE MMM T2-4 – Castel 7310/2 Tee Fitting 1/4" SAE MMM T2-4 – Castel 7310/2

Tee Fitting 1/4" SAE MMM T2-4 – Castel, Olab, Refco

The T2-4 tee fitting 1/4" SAE MMM is designed for easy branching in refrigeration and HVAC systems. This durable, leak-free fitting is compatible with Castel, Olab, and Refco references, making it a reliable solution for commercial and industrial use. Features Model: T2-4 Connection: 1/4" SAE MMM Durable, leak-proof construction Fast...
€12.38
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Castel solenoid valve 1028/2A6 1/4" 6 mm 220V Castel solenoid valve 1028/2A6 1/4" 6 mm 220V

Castel solenoid valve 1028/2A6 1/4" 6 mm 220V

The Castel solenoid valve 1028/2A6 is a high-quality valve made in Italy, featuring direct action NC operation with a 220V coil and connector. It is suitable for precise control of refrigerant in commercial refrigeration equipment. Specifications: Made in: Italy Type: direct action NC Coil voltage: 220V Connection: 1/4" - 6 mm Application: refrigeration...
€88.28
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About the brand

Castel Engineering manufactures plastic parts and profiles for the HVAC-R industry, with production know-how in injection moulding and profile extrusion. Their product focus is strongly “installer-first”: durable components that speed up installation, protect surfaces and create a clean, professional finish—especially in high-use environments like refrigerated rooms and technical areas.

The company is headquartered in Mouscron, Belgium, and operates within the broader DiversiTech Europe group.

Typical product areas you may need components for

Depending on the installation, Castel Engineering components are commonly used for:

  • Split AC / heat pump installation finishing (ducting and installation accessories)

  • Coldroom and cleanroom protection & hygiene (wall-to-floor hygienic profiles, panel protections, backing profiles)

  • Structural and mounting accessories (ceiling suspensions and related installation parts)

  • Storage and workspace builds (modular shelving solutions)

Why the right components matter

Correct HVAC-R accessories help maintain:

  • Hygiene and easy cleaning (especially in cold rooms and clean areas)

  • Impact protection for panels and high-traffic zones

  • A cleaner finish for visible installations (duct routing and tidy edges)

  • Long-term reliability by reducing wear, movement and damage