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BSP DKR 5/8" plug cap for external thread

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€4.65

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Manufacturer: HYDRON hydraulika siłowa (go to products)

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BSP DKR 5/8" Plug – External thread cap

BSP DKR 5/8" plug is a precision sealing element designed for safe, permanent or temporary closure of the working fluid flow in hydraulic power systems. The component is used for capping male connection ports as well as flexible and rigid pipe lines terminated with an external thread. The design based on a swivel nut and a 60° internal cone ensures absolute tightness of the connection under high operating pressure and intensive pulsations. The product is widely used in construction and agricultural machinery, as well as in stationary industrial installations. Made of carbon steel protected with a galvanic zinc coating, it guarantees high resistance to mechanical damage and corrosion.

Application and technical characteristics

The DKR BSP 5/8" cap is mounted directly onto a male British Standard Pipe Parallel (BSP / G 5/8") external thread with a 60° cone seat. The system is sealed transversely by the pressure of the conical surfaces, creating a durable metal-to-metal connection without the need for Teflon tape, hemp, or adhesives. The component is characterized by high resistance to material fatigue and pressure shocks occurring during cyclic operation of the system.

Basic technical parameters and element properties:

Sealing standard: Compliant with BS 5200 / ISO 8434-6 standard (60° sealing cone).
Pressure resistance: Designed for a constant operating pressure of 250 bar (25 MPa).
Media compatibility: Mineral and synthetic oils, glycols, water, and water-oil emulsions used in hydraulic drives.
Protective coating: Passivated galvanic zinc, protecting steel from moisture and aggressive environmental factors.
Installation ergonomics: The DKR swivel nut facilitates quick installation in hard-to-reach places without the need to twist the connected hoses. For the correct assembly of systems, complementary products may also be useful, such as hydraulic adapters, flexible hydraulic hoses and durable threaded connectors.

Why choose HYDRON components?

HYDRON provides professional hydraulic power components manufactured according to rigorous European industry standards and ISO standards. Each plug undergoes meticulous control of thread tolerance and conical seating geometry, which completely prevents the risk of leakage under pressure. By choosing HYDRON products, you gain confidence in stable equipment operation, a high level of operational safety, and a longer lifespan of the entire pressure system.

Technical specification

Parameter	Value
Component type	Plug / Female cap (DKR)
Thread (G)	BSP 5/8" (G 5/8") – internal (nut)
Sealing type	Internal 60° cone (BS 5200 / ISO 8434-6)
Alternative designation / Replacement	DKR 5/8" / Z-DKR 5/8" / KOR-BSP-5/8
Material	Carbon structural steel, galvanized
Operating pressure (PN)	250 bar / 25 MPa
Operating temperature range	-40°C to +120°C

Frequently Asked Questions (FAQ)

How to correctly install the DKR BSP 5/8" plug?

The plug should be screwed manually onto the external thread until the resistance of the conical surfaces meeting is felt. Then, using a flat wrench, tighten the nut by the appropriate angle or with the recommended torque for the 5/8" BSP size. Proper pressure on the 60° conical seat ensures a full seal without deformation of the connection.

Does the installation of a DKR cap require the use of Teflon tape?

No. Connections in the DKR standard use a conical seal (60° cone), guaranteeing a metal-to-metal tightness. Using hemp, Teflon tape, or liquid sealants on the thread is a technical error that prevents the cone from seating correctly and leads to leaks.

Is the DKR 5/8" plug reusable?

Yes, the element equipped with a swivel nut can be disassembled and reinstalled multiple times, provided that the conical seat and the thread have not suffered mechanical damage or seizing during previous operation.