Oleo Tecnica CETOP Blind Stubs

Description

General Specifications and Application Area

Oleo Tecnica CETOP Blind Stubs (also known as CETOP blind adapters) are hydraulic components designed to ensure safe shut-off and leak-tight sealing within high-pressure hydraulic circuits. Used in hydraulic systems and fluid contamination control applications, these blind adapters comply with strict dimensional and tolerance specifications. Their construction ensures perfect integration with standardized blocks and flanges, making them essential for technicians, engineers and maintenance professionals who require reliable, stable and long-lasting line closures.

Working Pressures: Series 250 and Series 400

The Oleo Tecnica CETOP Blind Stub range is divided into two main categories according to the maximum recommended working pressure:

• Series 250: Designed to withstand a maximum working pressure of 250 Bar. This series covers sizes from 3/8″ up to 4″, with component weights ranging from a minimum of 0,04 kg for the smaller sizes up to 5,54 kg for the 4″ size.
• Series 400: Designed for more demanding hydraulic applications, it ensures safe operation up to a maximum recommended pressure of 400 Bar. Available sizes also range from 3/8″ to 4″, with construction dimensions and thicknesses (dimensions A, C, E, F) suitably increased to withstand higher pressure loads.

Construction Features and Material Designations

The different CETOP Blind Stub variants are distinguished by the sealing surface design and construction materials, allowing precise selection according to system requirements:

• O-Ring Variants: The COD…C designation identifies the blind stub equipped with a dedicated O-ring seat, optimized to ensure leak-tight sealing against fluid loss. Compatible O-ring types cover a wide technical range (e.g. 3068, 4075, 4100, up to the larger 6387 and 6350 versions for 4″ sizes).
• Variants without O-Ring: The COD…CC designation identifies the blind stub without an O-ring seat, suitable for specific couplings that do not require this seal.
• Materials: Standard production uses A105 carbon steel or equivalent. For more aggressive environments or applications requiring high corrosion resistance, an AISI 316L stainless steel version is available, identified by the addition of the letter “X” in the nomenclature (e.g. CODX…C for models with O-ring seat, CODX…CC for models without seat).

Dimensions and Geometry

The geometric dimensions of the stubs vary closely according to size and Series (250 or 400). For the same nominal diameter (e.g. 1″), dimensions A, C, E and F differ slightly between the two series in order to accommodate different hydraulic loads. This structural variation ensures that each component is mechanically suitable for the specified design flow rates and pressures, maintaining stable performance throughout the entire service life of the hydraulic system.

Technical Summary Table of the Main Characteristics of Oleo Tecnica CETOP Blind Stubs

Product Codes