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CEL M36X2 28L Plug

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CEL M36x2 28L Plug – hydraulic blanking plug TN 296

The CEL M36x2 28L plug is a blanking plug designed for closing hydraulic hose ends and other compatible connectors ending with a nut. The product belongs to the light series L and is intended for 28L size connections, with an M36x2 nut thread. Sealing occurs through the compression of matched conical surfaces during nut tightening.

The CEL 28L blanking plug belongs to the TN 296 product group, referred to in English-language documentation as a Blanking Plug for Tube Ends. It is used in power hydraulics for agricultural, orchard, forestry, construction, and industrial machinery. It allows securing a free hose end during repair, maintenance, assembly, or modernization of a hydraulic system.

Technical parameters of the CEL M36x2 28L plug

Product type: hydraulic plug for blanking hose ends.
Type: CEL.
Connection size: 28L.
Connection series: L – light.
Mating nut thread: M36x2.
Nominal thread diameter: 36 mm.
Thread pitch: 2 mm.
Sealing type: conical, compression during tightening.
Designation according to Ermetto: ROV 28-L.
Designation according to Rastelli-Raccordi: TS296-28L.
Designation according to Cast: 108011.1.
Designation according to Vitillo: ATME28L.1.
Catalog type: TN 296.
English name: Blanking plug for tube ends.
Intended use: blanking hydraulic hose ends and connectors ending with an appropriate nut.

Application of the CEL 28L plug in power hydraulics

The CEL M36x2 28L plug is used to close hydraulic hose ends equipped with an appropriate nut. It can be used when disconnecting hoses, replacing components, performing service work, and securing unused ends of oil installations.

Blanking plugs of this type are used in agricultural machinery, orchard equipment, forestry equipment, construction machinery, and industrial installations. They allow closing a specific connection without the need for permanent modification of the hose end.

Light series L and connection size 28L

The 28L designation identifies a size belonging to the light series L. The CEL M36x2 plug is designed to work with a properly selected hose end of this series. When assembling the connection, check the compatibility of the nut, sealing surfaces, and the design of the mating elements.

Light series L variants should not be automatically replaced with heavy series S elements. Construction differences may prevent proper sealing even when individual elements look similar. When selecting, use the full designation CEL M36x2 28L.

Conical compression sealing – principle of operation

The CEL plug utilizes sealing obtained by the pressure of properly matched conical surfaces. The blanking plug is placed in the hose end and then pressed using the mating nut. Tightening the connection creates a clamping force that allows closing the medium flow.

Tightness depends on the compatibility of the plug and hose end geometry and the correct condition of the mating surfaces. Contamination, scratches, or deformations of the cone can lead to leaks. The CEL plug is not a universal element intended for direct screwing into any threaded hole.

M36x2 thread – meaning of the designation

M36x2 stands for a metric thread with a nominal diameter of 36 mm and a pitch of 2 mm. In the case of the CEL plug, this parameter refers to the thread of the mating nut that presses the blanking plug into the hydraulic hose end. The 28L size allows for determining the correct series and connection size.

Before assembly, verify not only the M36x2 thread but also the type of connection and the geometry of the sealing surface. A compatible thread alone does not guarantee that the plug can be used in every hose end.

Catalog designations Ermetto, Rastelli-Raccordi, Cast and Vitillo

The CEL M36x2 28L plug appears under designations used by hydraulic fitting manufacturers. According to Ermetto, it is designated as ROV 28-L, according to Rastelli-Raccordi as TS296-28L, according to Cast as 108011.1, and according to Vitillo as ATME28L.1.

These designations facilitate product identification in technical catalogs, searching for appropriate parts during servicing, and comparing fittings from different manufacturers. Before using a replacement element, its dimensional and structural compatibility must be confirmed.

TN 296 type hose end blanking plug

The TN 296 designation refers to the type of blanking plug designed for closing tube ends. The English name Blanking Plug for Tube Ends describes its function as a plug mounted in the appropriate hydraulic hose end. The element is pressed by a nut, creating a conical seal.

The CEL plug should be distinguished from plugs screwed into threaded ports of valves or other hydraulic bodies. The product is intended for closing appropriate hose ends equipped with a union nut.

Securing hoses during service

During the repair of a hydraulic system, it may be necessary to disconnect a hose from a cylinder, valve, or other component. A properly selected CEL 28L plug allows closing a hose end equipped with a compatible nut. This helps limit the ingress of contaminants and the outflow of residual oil from the relieved hose.

If the plug is to remain installed while the system is operating under pressure, the permissible parameters of the entire connection must be confirmed. The light series L designation itself does not determine the maximum working pressure of the complete assembly.

Selecting a CEL M36x2 plug for a hydraulic hose

Before purchasing, check the hose end size, mating nut thread, and connection series. For the CEL M36x2 28L plug, an appropriate light series end with an M36x2 nut and a compatible conical surface is required.

When replacing a previously used blanking plug, the designations ROV 28-L, TS296-28L, 108011.1 and ATME28L.1 are helpful. They allow for more accurate identification of the correct variant and reduce the risk of confusing the plug with elements of other sizes.

Assembly and leak check of the CEL 28L plug

Before starting assembly, turn off the device and safely depressurize the hydraulic system. Then clean the hose end, check the condition of the conical surfaces and the thread of the mating nut. The plug should be correctly placed in the hose end and pressed using the nut.

Tightening should be performed in accordance with the requirements of the used connection system. Do not attempt to fix leaks by over-tightening damaged components. After assembly, check for leaks and confirm that the complete connection is suitable for the operating conditions of the installation.

Key features of the CEL M36x2 28L plug

Intended for blanking hydraulic hose ends.
Connection size 28L.
Light series L.
Mates with M36x2 nut.
Conical compression sealing.
Ermetto designation: ROV 28-L.
Rastelli-Raccordi designation: TS296-28L.
Cast designation: 108011.1.
Vitillo designation: ATME28L.1.
Catalog type: TN 296.

Technical specification

Parameter	Value
Product name	CEL M36x2 28L Plug
Type	CEL / TN 296
Nut thread	M36x2
Series	28L – light
Sealing type	Conical, compression
Ermetto	ROV 28-L
Rastelli-Raccordi	TS296-28L
Cast	108011.1
Vitillo	ATME28L.1
English name	Blanking plug for tube ends
Intended use	Blanking hydraulic hose ends