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Fluid power hydraulics - parts, accesories

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Blanking plug / plastic threaded cap male thread 1" UNF

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Price €0.13
incl. 23% VAT

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Manufacturer: HYDRON hydraulika siłowa (go to products)
Shipping time: 24 hours
Shipping from €3.64 - GLS Courier (Poland)

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Description

Blanking plug / plastic threaded cap male thread 1" UNF

The plastic threaded blanking plug male thread 1" UNF is a protective cap with an external inch thread, designed for the temporary closing of compatible hydraulic ports and connections. The product is made of plastic and helps protect hoses, control valves, cylinders, and other components from dust, dirt, metal shavings, and contaminants during transport, storage, assembly, and repairs.

The 1" UNF plastic plug provides practical protection for open connections during machine servicing, hose replacement, and storage of hydraulic parts. The threaded design allows for the temporary closure of an appropriately matched port until the target connection is made. The blanking plug serves a protective function and is not intended for sealing an operating hydraulic system.

Important: the plastic blanking plug male thread 1" UNF does not handle pressure loads. It must not be used to close hydraulic or pneumatic installations operating under pressure.

Color information: the product is available in various colors, which are packed and shipped randomly. The color of the delivered blanking plug may differ from the one shown in the photo.

Technical parameters of the 1" UNF plastic blanking plug

  • Product type: protective blanking plug, plastic threaded cap.
  • Connection type: male thread – external thread.
  • Nominal thread size: 1".
  • Thread system: unified inch UNF.
  • Nominal thread diameter: 25.4 mm.
  • Thread pitch: requires confirmation for a specific design.
  • Material: plastic.
  • Intended use: temporary protection of connections and threaded ports.
  • Pressure resistance: product does not handle pressure loads.
  • Color: various colors, packed randomly.
  • Application: protection of hoses, control valves, cylinders, and other hydraulic components.

Application of the male thread 1" UNF protective plug in power hydraulics

The plastic threaded plug male thread 1" UNF is used for temporary protection of hydraulic ports and connections equipped with a compatible female thread. It can be used during hose replacement, machine repairs, equipment maintenance, and preparation of parts for transport and storage.

The blanking plug can be used in appropriately matched connections of hydraulic control valves, cylinders, and hose ends. Its task is to limit the ingress of contaminants into the interior of components before they are reconnected to the system.

Male thread 1" UNF – dimensions and identification

The 1" designation refers to a nominal thread diameter of 25.4 mm. UNF is the American system of fine inch threads with a 60° profile. The external thread of the blanking plug should work with an appropriately selected internal thread in the protected connection.

Before installation, the thread pitch must be confirmed, as the 1" nominal size alone is not sufficient for unambiguous identification of the connection. In technical documentation, the thread should be specified by both the diameter and the number of threads per inch.

A caliper and an inch thread gauge can be used to check the thread. Compatibility of the diameter alone does not guarantee a fit for elements with different pitches.

Protection of hydraulic connections against contamination

When disconnecting hydraulic systems, open hoses and connections can be exposed to contact with dust, dirt, sand, metal shavings, and other contaminants. The 1" UNF plastic blanking plug allows for the temporary closure of a compatible port, helping to protect its interior from contamination.

Maintaining the cleanliness of hydraulic parts is essential for the operation of the equipment. Contaminants entering the system can cause accelerated wear of hydraulic pumps, valves, and control valves.

Plastic blanking plug 1" UNF for transport and storage

The male thread 1" UNF protective plug is useful during the transportation and storage of hydraulic parts. Temporary closure of the threaded port helps limit its interior contact with dust and accidental entry of foreign objects.

The product can be used in repair workshops, spare parts warehouses, and during the preparation of components for shipment. Before starting the device, the blanking plug must be removed and the target hydraulic connection must be made.

Plastic – construction of the protective blanking plug

The male thread 1" UNF blanking plug is made of plastic. Its primary function is to protect connections during storage, transport, assembly, and equipment repairs.

The plastic plug is not designed to handle operating pressure. During installation, avoid overtightening, which could damage the thread or deform the plug body.

Protective blanking plug vs. hydraulic pressure plug

The 1" UNF plastic blanking plug is a component intended for the temporary protection of threaded ports. It cannot replace a hydraulic plug, the task of which is to close a system operating under pressure.

If a connection is to remain closed during device operation, a proper pressure plug with confirmed operating parameters and an appropriate sealing method must be used. Matching thread size alone does not mean both products are interchangeable.

How to choose a plastic blanking plug male thread 1" UNF?

Before purchasing, ensure that the protected port has a compatible 1" internal thread with the appropriate pitch. Check the thread diameter, the number of threads per inch, and the condition of the threaded surface.

The intended use of the protection is also important. The product is suitable for the temporary protection of connections against contamination during transport, storage, and repair, but not for closing a system operating under pressure.

Assembly and disassembly of the plastic plug

Before assembly, turn off the device, safely depressurize the system, and clean the threaded port. Then confirm the compatibility of the plug's thread with the protected connection.

The blanking plug should be screwed in carefully, without using excessive force. If clear resistance appears, stop the assembly and check the thread fit. Before starting the system, the protective plug must be removed and the proper working connection must be made.

Various colors – random packing

Plastic male thread 1" UNF blanking plugs come in various colors. Individual color variants are packed and shipped randomly, therefore the color of the received product may differ from the one shown in the photo.

Color is not a criterion for technical selection. The most important factors are thread compatibility and the protective purpose of the blanking plug.

Technical specification

ParameterValue
Product nameBlanking plug / plastic threaded cap male thread 1" UNF
Product typeProtective blanking plug, plastic cap
Thread typeMale thread – external thread
Nominal size1"
Thread systemUNF
Nominal thread diameter25.4 mm
MaterialPlastic
Pressure operationNot intended for handling pressure loads
ColorVarious colors, packed randomly
ApplicationTemporary protection of hydraulic connections against contamination

Frequently Asked Questions (FAQ)

What thread does the male thread 1" UNF plastic blanking plug have?

The blanking plug has an external UNF inch thread with a nominal size of 1". Before assembly, confirm its pitch compatibility with the protected connection.

Does the 1" UNF plastic plug withstand hydraulic pressure?

No. The product does not handle pressure loads and cannot be used to close a system operating under pressure.

What is the male thread 1" UNF plastic blanking plug used for?

It is used for the temporary protection of hoses, control valves, cylinders, and other components against contamination during transport, storage, assembly, and repairs.

Is it possible to choose the color of the blanking plug?

Blanking plugs are available in various colors, which are packed and shipped randomly. The color of the received product may differ from the one shown in the photo.

Can a plastic blanking plug replace a steel hydraulic plug?

Not in a system operating under pressure. For such an application, use a proper hydraulic plug with confirmed operating parameters and an appropriate sealing method.

Can the plastic blanking plug be reused?

Before reuse, check the condition of the thread and the body. Damaged, cracked, or deformed elements should not be reinstalled.

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Product Safety

Manufacturer

HYDRON hydraulika siłowa

Kujańska 6a

77-400 Złotów, Poland

+48 67 350 53 69 kontakt@hydron.com.pl Report a product safety issue

Responsible person in the EU

HYDRON hydraulika siłowa

Kujańska 6a

77-400 Złotów, Poland

+48 67 350 53 69 kontakt@hydron.com.pl Report a product safety issue

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