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BSP (AGR) 1.1/2" plug with internal socket

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Manufacturer: HYDRON hydraulika siłowa (go to products)

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BSP (AGR) 1 1/2" plug with internal socket

The BSP (AGR) 1 1/2" plug with internal socket is a hydraulic blanking element with a cylindrical BSP external thread. It is designed to close compatible ports with an internal thread in hydraulic systems. The plug's design includes a 60° internal conical surface, allowing it to work with a properly matched hydraulic fitting.

The plug is made of free-cutting steel, protected by zinc plating with white passivation. The maximum working pressure is 125 bar, and the operating temperature range covers -20°C to +120°C. The product belongs to the AGR group of hydraulic plugs used for blanking appropriate BSP threaded connections.

Technical parameters of the BSP AGR 1 1/2" plug

Product type: hydraulic plug, threaded blanking cap.
Connector type: AGR.
Thread size: 1 1/2" BSP.
Thread type: external, cylindrical BSP.
Outer thread diameter: 47.4-47.8 mm.
Sealing type: 60° internal cone.
Working pressure: 125 bar.
Operating temperature: from -20°C to +120°C.
Material: free-cutting steel.
Surface protection: zinc plating with white passivation.
Shape: straight.
Construction type: blanking nipple.
Version: with internal socket.
Designation according to Rastelli-Raccordi: 34.75.00.24.
Designation according to Vitillo: ATMG24.
Designation according to Cast: 307809.
Alternative designation given on the product data sheet: 4B-16.
Catalog type: 34.75.
English name: Male Plug - Thread BSP Parallel.

Application of the BSP AGR plug in power hydraulics

The BSP AGR 1 1/2" hydraulic plug is used to close appropriately matched ports with a BSP internal thread. It can be used during system assembly, component replacement, maintenance work, and for blanking unused hydraulic connections.

The 60° internal conical socket allows for interaction with appropriate coupling elements equipped with a matching sealing surface. When selecting, both the 1 1/2" BSP thread and the geometry of the mating surfaces must be considered.

External BSP 1 1/2" thread – connection characteristics

The plug has a cylindrical BSP external thread in size 1 1/2". This thread is designed to work with a corresponding internal thread. The outer diameter of the thread ranges from 47.4-47.8 mm.

When identifying the port, the type and size of the thread must be checked. The cylindrical BSP thread should not be identified with a conical thread or other pipe connection systems. Thread compatibility is one condition for correct assembly, but sealing is also determined by the design of the sealing surfaces.

60° internal cone – sealing method

The BSP AGR plug has an internal conical surface with a 60° angle. It is designed to work with a compatible hydraulic end with appropriate geometry. This solution allows closing the connection by pressing the matched sealing surfaces together.

Before assembly, check the condition of the conical socket and the surface of the mating element. Scratches, deformations, and contamination can affect the tightness of the connection. Tightening the thread itself is not a substitute for proper alignment of the sealing elements.

Working pressure 125 bar and operating temperature

The BSP AGR 1 1/2" plug has a declared working pressure of 125 bar. The operating temperature range of the product is from -20°C to +120°C. These parameters should be taken into account when selecting a plug for a specific hydraulic system.

Before use, the parameters of the mating port and other connection elements should also be checked. The permissible operating conditions of the complete assembly should not exceed the limitations of its individual parts.

Free-cutting steel and zinc plating with white passivation

The plug is made of free-cutting steel, protected by a zinc coating with white passivation. Zinc plating provides protection for the steel surface against corrosion and is part of the product's finish.

When choosing a plug, consider the type of installation, working environment, and material compatibility of the components. For specific operational requirements, the suitability of the material and protective coating used should be checked.

Internal socket – assembly of the hydraulic plug

The BSP AGR plug is equipped with an internal socket, allowing for its assembly and disassembly with a properly selected tool. This design facilitates handling the connection during assembly and service work.

Before installing the plug, ensure that the thread and sealing surfaces are clean and undamaged. Tightening should be carried out according to the requirements of the connection system used, without overloading the thread.

Catalog designations Rastelli-Raccordi, Vitillo and Cast

The BSP AGR 1 1/2" plug can be identified using the catalog designations of hydraulic fittings manufacturers. According to Rastelli-Raccordi it is listed under number 34.75.00.24, according to Vitillo as ATMG24, and according to Cast as 307809. The product belongs to catalog type 34.75.

These designations facilitate the identification of the appropriate variant when comparing catalogs and selecting spare parts. Before using an element from another manufacturer, its thread, design, and permissible operating parameters must be confirmed.

Selection of a BSP AGR 1 1/2" plug for a hydraulic system

When choosing a plug, first check the external 1 1/2" BSP thread, the sealing type, and the operating parameters. For this variant, a pressure of 125 bar, operating temperature from -20°C to +120°C, and a 60° internal cone are specified.

It is also important to match the design of the mating port. Plugs with a BSP thread can come in different sealing versions, so the thread size alone should not be the only selection criterion.

Assembly and leak testing of the BSP AGR plug

Before starting work, turn off the device and safely depressurize the hydraulic system. Then check the condition of the internal thread of the port, the plug thread, and the sealing surfaces. Damaged or contaminated elements must be restored to proper condition before assembly.

The plug should be inserted into the appropriate port and tightened with the correct tool according to the connection requirements. After completion of the assembly, check for leaks before starting the normal operation of the system. Do not rectify leaks by over-tightening damaged components.

Technical specification

Parameter	Value
Product	BSP (AGR) 1 1/2" plug with internal socket
Type	AGR / 34.75
Thread	External cylindrical BSP 1 1/2"
Seal	60° internal cone
Working pressure	125 bar
Operating temperature	-20°C to +120°C
Material	Free-cutting steel
Coating	Zinc plating with white passivation
Rastelli-Raccordi	34.75.00.24
Vitillo	ATMG24
Cast	307809
English name	Male Plug - Thread BSP Parallel