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Plug CEL M12X1.5 6L

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Plug CEL M12x1.5 6L – hydraulic blanking plug TN 296

The CEL M12x1.5 6L plug is a hydraulic fitting element designed for blanking the ends of hydraulic hoses and other compatible connectors terminated with a nut. The product belongs to the light series L and works with connections equipped with a metric M12x1.5 thread nut. Sealing is achieved by the compressive force of appropriately matched conical surfaces during nut tightening.

The blanking plug belongs to the group of TN 296 elements, referred to in English-language documentation as a Blanking Plug for Tube Ends. It is used in the power hydraulics of agricultural, orchard, forestry, construction machinery, and industrial equipment. It allows for securing a free end of a hose during assembly, repair, maintenance, or modernization of a hydraulic installation.

Technical parameters of the CEL M12x1.5 6L plug

Product type: hydraulic plug for blanking hose ends.
Product type: CEL.
Connection size: 6L.
Connection series: L – light.
Mating nut thread: M12x1.5.
Nominal thread diameter: 12 mm.
Thread pitch: 1.5 mm.
Sealing type: conical, compressive during tightening.
Ermetto designation: ROV 6-L.
Rastelli-Raccordi designation: TS296-6L.
Cast designation: 108004.1.
Vitillo designation: ATME06L.1.
Catalog type: TN 296.
English name: Blanking plug for tube ends.
Purpose: blanking hydraulic hose ends and connectors terminated with the appropriate nut.

Application of the CEL 6L plug in power hydraulics

The CEL M12x1.5 6L plug is used to close the ends of hydraulic hoses equipped with a suitable union nut. It can be used when disconnecting hoses from hydraulic receivers, replacing components, technical inspections, and securing unused ends of oil installations.

The product is used in agricultural, orchard, forestry, construction, and industrial hydraulics. A correctly selected blanking plug allows for closing a compatible hose end without the need to permanently modify the installation. The solution is useful both for repairs and during the assembly of new hydraulic systems.

Light series L – connection size 6L

The 6L designation identifies a variant belonging to the light series L. The CEL M12x1.5 plug is designed to work with appropriately selected hose ends of this series. When assembling fittings, the compatibility of the nut, connection size, and sealing surfaces must be verified.

Elements of the light series L should not be automatically replaced with blanking plugs of the heavy series S. Individual versions may differ in dimensions and construction. Selection should be based on the full CEL M12x1.5 6L designation and the documentation of the used connection system.

Conical compressive seal – principle of operation

The CEL plug uses a seal achieved by mechanical compression of matched conical surfaces. The blanking element is placed in the end of the hose and then pressed down using the mating nut. During tightening, a compressive force is generated that allows the hydraulic connection to be closed.

Proper sealing requires compatibility of the plug geometry and the hose end, as well as the correct condition of the mating surfaces. Scratches, deformations, and contaminants can affect tightness. The CEL plug is not a universal plug intended for direct screwing into any threaded hole.

M12x1.5 thread – meaning of the designation

The M12x1.5 designation specifies a metric thread with a nominal diameter of 12 mm and a pitch of 1.5 mm. In the case of the CEL plug, this dimension refers to the thread of the mating nut, which is responsible for pressing the blanking plug against the hose end.

During selection, not only the M12x1.5 thread should be checked, but also the 6L series and the construction of the hose end. The compatibility of the thread size alone does not guarantee a proper fit of the plug.

Catalog designations Ermetto, Rastelli-Raccordi, Cast and Vitillo

The CEL M12x1.5 6L plug can be identified using the designations used in the catalogs of hydraulic fitting manufacturers. According to Ermetto, the product appears as ROV 6-L, according to Rastelli-Raccordi as TS296-6L, according to Cast as 108004.1, and according to Vitillo as ATME06L.1.

These numbers are helpful when searching for spare parts, comparing technical catalogs, and completing hydraulic connections. Before using a replacement, confirm the compatibility of its dimensions and construction with the requirements of the specific connector.

Blanking plug for tube ends type TN 296

The TN 296 designation refers to a type of plug designed for closing the ends of tube lines. The English name Blanking Plug for Tube Ends describes its function as a hydraulic blanking plug mounted in the appropriate end of the line.

The plug is pressed by the nut located on the end of the line. For this reason, it should be distinguished from plugs screwed directly into the threaded holes of hydraulic bodies, valves, and valve blocks.

Securing hoses during repair and maintenance

During work on a hydraulic system, it may be necessary to temporarily disconnect a hose from an actuator, distributor, or another component. A properly selected CEL 6L plug allows for closing an end equipped with a compatible nut. It helps to limit the entry of contaminants and the outflow of oil residues during work on a depressurized system.

If the plug is to be used while the installation is working under pressure, the permissible parameters of the entire connection must be confirmed. The light series L designation itself does not constitute confirmation of a specific maximum working pressure value.

Selection of the CEL M12x1.5 plug for a hose end

Before choosing a CEL M12x1.5 6L plug, check the thread of the mating nut, the series designation, and the geometry of the conical surfaces. The size of the plug should correspond to the hose end that is to be blanked. Matching the thread alone does not guarantee the tightness of the connection.

In the case of replacing a previously used element, the designations ROV 6-L, TS296-6L, 108004.1, and ATME06L.1 are helpful. They allow for more accurate identification of the correct plug variant and reduce the risk of confusing it with blanking plugs of other sizes.

Assembly and tightness control of the CEL 6L plug

Before starting assembly, turn off the device and safely depressurize the hydraulic installation. Then clean the hose end, check the condition of the conical surfaces and the nut thread. The plug should be placed in the correct position and pressed down with a properly selected nut.

Tightening should be carried out in accordance with the requirements of the connection system used. Do not attempt to eliminate leaks by over-tightening damaged components. After assembly, it is necessary to check the tightness of the connection before starting the installation.

Key features of the CEL M12x1.5 6L plug

Blanking plug for hydraulic hose ends.
Connection size 6L.
Light series L.
Works with M12x1.5 nut.
Conical compressive seal.
Ermetto designation: ROV 6-L.
Rastelli-Raccordi designation: TS296-6L.
Cast designation: 108004.1.
Vitillo designation: ATME06L.1.
Catalog type: TN 296.

Technical specification

Parameter	Value
Product name	Plug CEL M12x1.5 6L
Type	CEL / TN 296
Nut thread	M12x1.5
Series	6L – light
Seal type	Conical, compressive
Ermetto designation	ROV 6-L
Rastelli-Raccordi designation	TS296-6L
Cast designation	108004.1
Vitillo designation	ATME06L.1
English name	Blanking plug for tube ends
Purpose	Blanking of hydraulic hose ends

Frequently Asked Questions (FAQ)

What is the CEL M12x1.5 6L plug used for?

It is used for blanking the ends of hydraulic hoses and compatible connectors terminated with a nut. Tightness is achieved by pressing the conical surfaces.