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CES Plug M16X1.5 08S

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CES Plug M16x1.5 08S – heavy series hydraulic blanking plug

The CES Plug M16x1.5 08S is a hydraulic fitting component designed for blanking hose ends and other connectors terminated with a suitable nut. The product belongs to the heavy series S and works with M16x1.5 metric thread connections. Sealing is achieved through the clamping pressure of mating conical surfaces during nut tightening.

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

Technical parameters of the CES M16x1.5 08S plug

Product type: hydraulic plug for blanking hose ends.
Product type: CES.
Connection size: 08S.
Series: S – heavy.
Matching nut thread: M16x1.5.
Nominal thread diameter: 16 mm.
Thread pitch: 1.5 mm.
Sealing type: conical, clamping during tightening.
Designation according to Ermetto: ROV 8-S.
Designation according to Rastelli-Raccordi: TS296-8S.
Designation according to Cast: 108015.1.
Designation according to Vitillo: ATME08S.1.
Catalog type: TN 296.
English name: Blanking plug for tube ends.
Purpose: blanking hydraulic hose ends and connectors terminated with a nut.

Application of the CES 08S plug in power hydraulics

The CES M16x1.5 08S plug is used for closing properly prepared hydraulic hose ends. It can be used when disconnecting hoses from receivers, performing service work, and securing unused connections in oil systems.

Blanking plugs of this type are used in hydraulic systems of agricultural machinery, orchard equipment, forestry equipment, construction machinery, and industrial installations. The plug allows for closing a hose end equipped with a compatible nut without the need for permanent interference with the installation design.

Heavy series S – connection size 08S

The 08S designation identifies the variant belonging to the heavy series S. The CES M16x1.5 plug is designed to work with properly selected hose ends of this series. When assembling fittings, verify the compatibility of the nut, hose end, and the geometry of the surfaces responsible for sealing.

The heavy series S should not be automatically replaced with light series L components. Individual series may differ in dimensions and the design of mating parts. When selecting a plug, not only the thread dimension is important, but also the full 08S size designation.

Conical clamping seal – principle of operation

The CES plug utilizes a seal formed by the pressure of properly matched conical surfaces. The blanking plug is placed in the hose end and then pressed using a matching nut. During tightening, a clamping force is created that allows for closing the connection.

The effectiveness of the seal depends on the compatibility of the component geometry, their technical condition, and proper assembly. Contamination, deformation, and damage to the conical surfaces can lead to leaks. The CES plug is not a universal plug for direct screwing into any threaded hole.

M16x1.5 thread – meaning of the designation

M16x1.5 denotes a metric thread with a nominal diameter of 16 mm and a pitch of 1.5 mm. In the case of the CES plug, this parameter refers to the thread of the matching nut, which provides pressure for the blanking element against the hydraulic hose end.

When selecting a blanking plug, confirm the compatibility of the M16x1.5 thread, heavy series S, and the hose end design. Identical thread size alone does not mean the plug will be suitable for every hydraulic connection.

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

The CES M16x1.5 08S plug has catalog designations that facilitate identification of the correct variant in the technical documentation of hydraulic fitting manufacturers. According to Ermetto it appears as ROV 8-S, according to Rastelli-Raccordi as TS296-8S, according to Cast under number 108015.1, and according to Vitillo as ATME08S.1.

These designations help when searching for spare parts, comparing catalogs, and completing hydraulic installations. Before using a component from another manufacturer, ensure that its dimensions and design meet the requirements of the specific connection.

Hydraulic hose end blanking plug TN 296

The TN 296 designation refers to the type of blanking plug intended for closing tube ends. The English name Blanking Plug for Tube Ends indicates the product's function as a component for blanking the hose end. The plug works with a properly selected nut, which presses the conical surfaces during tightening.

The CES plug must be distinguished from blanking plugs mounted directly into the threaded ports of control valves, valve blocks, or other hydraulic components. This type is intended for hose ends equipped with a suitable union nut.

Securing hose ends during service

When repairing a hydraulic installation, there is often a need to disconnect a hose from an actuator, control valve, or another component. A properly selected CES 08S plug allows for closing a hose end with a compatible nut. It helps limit the risk of contamination entering and remaining oil leaking during work on a depressurized system.

If the plug is to remain installed while the system is operating under pressure, the permissible parameters for the entire connection must be confirmed beforehand. The heavy series S designation itself does not define the maximum operating pressure of the complete assembly.

Selecting the CES M16x1.5 plug for a hydraulic hose

Before purchasing, check the hose end size, the nut thread, and the connection series. For the CES M16x1.5 08S plug, a suitable heavy series S end is required, equipped with an M16x1.5 nut and compatible conical surfaces.

When replacing a previously used plug, the designations ROV 8-S, TS296-8S, 108015.1, and ATME08S.1 are helpful. They allow for identifying the correct variant and reduce the risk of confusing it with blanking plugs of other sizes or connection series.

Installation and leak inspection of the CES 08S plug

Before starting installation, turn off the device and safely depressurize the hydraulic installation. Then, clean the hose end, check the condition of the conical surfaces and the thread of the matching nut. The plug should be properly placed and pressed by the nut according to the requirements of the connection system used.

Do not attempt to eliminate leaks by over-tightening damaged components. After assembly is complete, check for leaks and ensure that the complete connection meets the operating conditions of the installation.

Key features of the CES M16x1.5 08S plug

Hydraulic hose end blanking plug.
Connection size 08S.
Heavy version – S series.
Works with M16x1.5 nut.
Conical clamping seal.
Ermetto designation: ROV 8-S.
Rastelli-Raccordi designation: TS296-8S.
Cast designation: 108015.1.
Vitillo designation: ATME08S.1.
Catalog type: TN 296.

Technical specification

Parameter	Value
Product name	CES Plug M16x1.5 08S
Type	CES / TN 296
Nut thread	M16x1.5
Series	08S – heavy
Sealing type	Conical, clamping
Ermetto	ROV 8-S
Rastelli-Raccordi	TS296-8S
Cast	108015.1
Vitillo	ATME08S.1
English name	Blanking plug for tube ends
Purpose	Blanking hydraulic hose ends