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CES Plug M36X2 25S

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CES Plug M36x2 25S – heavy series hydraulic blanking plug

The CES M36x2 25S plug is a hydraulic blanking plug designed for sealing hydraulic hose ends and other compatible connectors terminated with a nut. The product belongs to the S heavy series and works with M36x2 metric thread connections. Sealing is achieved through the compressive contact of appropriately matched conical surfaces when tightening the nut.

The CES 25S plug belongs to the TN 296 group of blanking plugs, referred to in English documentation as Blanking Plug for Tube Ends. It is used in the power hydraulics of agricultural, orchard, forestry, construction, and industrial machinery. It allows for sealing a tube end during assembly, repair, maintenance, or modernization of a hydraulic installation.

Technical parameters of the CES M36x2 25S plug

Product type: hydraulic plug for sealing tube ends.
Product type: CES.
Connection size: 25S.
Execution version: heavy.
Connection series: S – heavy.
Mating nut thread: M36x2.
Sealing type: conical, compressive during nut tightening.
Designation according to Ermetto: ROV 25-S.
Designation according to Rastelli-Raccordi: TS296-25S.
Designation according to Cast: 108021.1.
Designation according to Vitillo: ATME25S.1.
Catalog type: TN 296.
English name: Blanking plug for tube ends.
Purpose: sealing hydraulic tube ends and connectors terminated with an appropriate nut.

Application of the CES 25S plug in power hydraulics

The CES M36x2 25S plug is used to close properly prepared hydraulic tube ends. It can be utilized during hose disconnection, component replacement, maintenance work, and for securing unused connections in oil systems.

Blanking plugs of this type are used in the hydraulic systems of agricultural machinery, orchard equipment, forestry equipment, construction machinery, and industrial installations. They allow for closing a tube end equipped with a compatible nut without the need for permanent closure by welding or restructuring the installation.

S Heavy Series – 25S designation

The 25S designation identifies the connection size belonging to the S heavy series. The CES M36x2 plug is designed to work with appropriately selected tube ends of this series. When assembling fittings, compatibility of the components in terms of dimensions, conical surface geometry, and sealing method should be verified.

S heavy series components should not be automatically replaced with L light series equivalents. Even if selected connectors have a similar design, they may differ in dimensions and connection parameters. Selection should be based on the full product designation and the technical documentation of the hydraulic system used.

Conical compressive seal – principle of operation

The CES plug utilizes a seal obtained by pressing conical surfaces together. The blanking element is placed in the appropriate tube end and then pressed using the mating nut. During tightening, a compressive force is created, allowing the connection to be closed.

Correct operation depends on the compatibility of the plug geometry and the tube end. The condition of the mating surfaces is also important – scratches, deformations, or dirt can hinder achieving tightness. The plug is not a universal element intended for screwing into any threaded hole.

M36x2 Thread – connection parameters

The M36x2 designation specifies a metric thread with a nominal diameter of 36 mm and a pitch of 2 mm. In the case of the CES plug, this parameter refers to the thread of the nut mating with the blanking plug. The 25S size allows for identifying the correct series and size of the hydraulic connection.

When selecting a plug, check not only the M36x2 thread size but also the design of the tube end. Thread compatibility alone does not guarantee tightness if the conical surfaces are not matched or if a different type of fitting is used.

Catalog designations: Ermetto, Rastelli-Raccordi, Cast, and Vitillo

The CES M36x2 25S plug appears in the documentation of hydraulic fitting manufacturers under various designations. According to Ermetto, it corresponds to the symbol ROV 25-S; according to Rastelli-Raccordi, to the designation TS296-25S; according to Cast, to the number 108021.1; and according to Vitillo, to the designation ATME25S.1.

Knowledge of these designations facilitates part identification when browsing technical catalogs, ordering fittings, and repairing existing hydraulic systems. When selecting a replacement, confirm the compatibility of the design, dimensions, and operational parameters.

Blanking plug for hydraulic tube ends TN 296

The TN 296 designation refers to the type of blanking plug designed for tube ends. In English documentation, the name Blanking plug for tube ends is used. The element is pressed by a nut located at the tube end, allowing for a conical seal.

The CES plug should be distinguished from plugs screwed directly into a valve block body or another threaded hole. Its purpose is to close the appropriate end of a hydraulic tube equipped with a coupling nut.

Selecting a CES plug for a hydraulic hose

Before selecting the CES M36x2 25S plug, check the tube end designation, connection series, and nut size. Compatibility of the conical surfaces is also of significant importance. Just because components look similar does not mean they can be used interchangeably.

When replacing a previously used blanking plug, the designations ROV 25-S, TS296-25S, 108021.1, and ATME25S.1 are helpful. They allow for more accurate identification of the required plug type and reduce the risk of confusing S heavy series sizes.

Assembly and leak testing of the CES M36x2 25S plug

Before starting assembly, turn off the device and safely depressurize the hydraulic system. Then, check the cleanliness of the tube end, the condition of the sealing surfaces, and the nut thread. The plug should be correctly positioned relative to the end and pressed by the mating nut.

Tightening should be performed according to the requirements of the connection system used. Do not compensate for damage to conical surfaces with excessive pressure. After installation, check for leaks and ensure that the complete connection is suitable for the operating conditions of the installation.

Key features of the CES M36x2 25S plug

Blanking plug for hydraulic tube ends.
Connection size 25S.
S Heavy Series.
Works with an M36x2 thread nut.
Conical compressive seal.
Ermetto designation: ROV 25-S.
Rastelli-Raccordi designation: TS296-25S.
Cast designation: 108021.1.
Vitillo designation: ATME25S.1.
Catalog type: TN 296.

Technical specification

Parameter	Value
Product	CES Plug M36x2 25S
Type	CES / TN 296
Nut thread	M36x2
Series	25S – heavy
Sealing type	Conical, compressive
Ermetto designation	ROV 25-S
Rastelli-Raccordi designation	TS296-25S
Cast designation	108021.1
Vitillo designation	ATME25S.1
English name	Blanking plug for tube ends
Purpose	Sealing hydraulic tube ends

Frequently Asked Questions (FAQ)

What is the CES M36x2 25S plug used for?

The plug is used for sealing hydraulic tube ends or other compatible connectors terminated with a nut. Sealing is achieved by pressing conical surfaces together.