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Fluid power hydraulics - parts, accesories

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Blanking plug / threaded plastic cap male thread M18x1.5

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Price €0.23
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)

Our top pick :) Our warehouse packs orders until 3:00 PM, and GLS picks them up at 5:00 PM. It’s our customers’ most popular choice and the courier that works best for us.

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Description

Blanking plug / threaded plastic cap M18x1.5

The M18x1.5 threaded plastic blanking plug is a protective element designed for temporary closing of compatible openings and hydraulic connections. The cap is made of plastic and is used to protect hoses, control valves, cylinders, and other components from dust, grit, filings, and dirt during storage, transport, repair, and assembly of equipment.

The blanking plug with M18x1.5 metric thread allows for temporary closing of a properly matched connection until the target connection is made. It is useful during machine servicing, replacement of hydraulic hoses, and preparing elements for storage or shipping.

Important: the M18x1.5 plastic blanking plug does not withstand pressure loads. It is not intended for closing hydraulic or pneumatic systems operating under pressure.

Information about color: blanking plugs come in various colors, packed and sent randomly. The color of the delivered product may differ from the one presented in the photo.

Technical parameters of the M18x1.5 plastic blanking plug

  • Product type: protective blanking plug, threaded plastic cap.
  • Thread size: M18x1.5.
  • Thread system: metric.
  • Nominal thread diameter: 18 mm.
  • Thread pitch: 1.5 mm.
  • Material: plastic.
  • Purpose: temporary protection of connections and threaded openings.
  • Pressure operation: inadmissible – the product does not withstand pressure loads.
  • Color: various colors, packed randomly.
  • Application: protection of hose connections, control valves, cylinders, and other components.

Application of the M18x1.5 protective cap in power hydraulics

The M18x1.5 plastic threaded cap is intended for temporary protection of open connections during repairs, maintenance, and assembly of hydraulic systems. It can be used in compatible openings of control valves, cylinders, and ends of hydraulic hoses.

The blanking plug helps protect the interior of components from contamination in situations where hoses are disconnected, devices are prepared for repair, or elements are stored outside the machine.

M18x1.5 metric thread – dimensions and identification

The M18x1.5 designation indicates a metric thread with a nominal diameter of 18 mm and a pitch of 1.5 mm. These are the basic parameters for identifying the appropriate connection.

To check the thread, a caliper and a metric thread gauge can be used. Before using the blanking plug, verify the compatibility of the size and thread pitch as well as the construction of the protected opening. Do not force the plastic cap into place.

Protection of hoses and connections against contamination

Open hydraulic connections are exposed to contact with dust, sand, grit, and metal filings, especially during workshop work and machine repairs. The M18x1.5 protective cap helps limit the entry of these contaminants into the interior of the protected element.

Maintaining the cleanliness of hoses and components is important for the proper operation of power hydraulics. Contaminants entering the oil circuit can accelerate the wear of valves, pumps, and control valves.

M18x1.5 blanking plug for transport and storage

The M18x1.5 plastic threaded cap is used during the transport of hydraulic parts and their storage in warehouses and workshops. It allows for temporary closing of the threaded opening and helps limit the contact of its interior with contaminants.

The product is also useful when preparing components for assembly. Before restarting the installation, the protective blanking plug should be removed and the target hydraulic connection should be made.

Plastic – lightweight protective construction

The M18x1.5 blanking plug is made of plastic. Its primary function is to protect threaded openings during transport, storage, and servicing of components.

The plastic construction is not intended to withstand hydraulic pressure. During assembly, avoid excessive tightening, which can damage the thread or lead to deformation of the blanking plug body.

Plastic blanking plug vs. pressure hydraulic plug

The M18x1.5 plastic cap is a protective element used for temporary security of connections. It cannot replace a hydraulic plug intended for closing an installation working under pressure.

If it is necessary to permanently close a hydraulic port, a properly selected pressure plug with confirmed strength and appropriate sealing method must be used. A compatible thread size alone does not mean the two solutions are interchangeable.

How to choose the M18x1.5 plastic blanking plug?

Before purchasing, confirm that the protected opening has a compatible M18x1.5 thread. Check the nominal diameter of 18 mm, the 1.5 mm pitch, and the condition of the thread.

It is also important to determine the purpose of the protection. The blanking plug is suitable for temporary protection of openings against dirt, but not for operation under pressure. In case of doubt, compare the design of the cap with the connection.

Assembly and disassembly of the M18x1.5 plastic cap

Before assembly, turn off the device and safely depressurize the hydraulic system. Then, clean the thread and check if the blanking plug fits the protected connection.

The cap should be screwed in carefully, without excessive force. In case of clear resistance, stop assembly and check thread compatibility. Before starting the installation, remove the blanking plug and make the proper working connection.

Various colors – random packing

M18x1.5 plastic blanking plugs are available in various color variants. Colors are packed and sent randomly, so the delivered product may have a different color than the one shown in the photograph.

The basic selection criterion remains the compatibility of the M18x1.5 thread and the protective purpose of the product. The color does not affect the possibility of using the blanking plug in a compatible connection.

Technical specification

ParameterValue
Product nameBlanking plug / threaded plastic cap M18x1.5
Product typeProtective blanking plug, plastic cap
ThreadMetric M18x1.5
Nominal thread diameter18 mm
Thread pitch1.5 mm
MaterialPlastic
Pressure operationNot intended to withstand pressure loads
ColorVarious colors, packed randomly
ApplicationTemporary protection of hydraulic connections against dirt

Frequently Asked Questions (FAQ)

What thread does the M18x1.5 plastic blanking plug have?

The blanking plug has a metric M18x1.5 thread with a nominal diameter of 18 mm and a pitch of 1.5 mm. Before assembly, confirm the compatibility of the cap design with the connection.

Does the M18x1.5 plastic cap withstand hydraulic pressure?

No. The product does not withstand pressure loads and cannot be used to close an operating hydraulic system.

What is the M18x1.5 plastic blanking plug used for?

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

Can I choose the color of the blanking plug?

The product is available in various colors, which are packed and sent randomly. The color of the received blanking plug may differ from the one shown in the photo.

Can the M18x1.5 blanking plug replace a steel hydraulic plug?

Not in an installation operating under pressure. For such applications, appropriately selected hydraulic plugs with confirmed pressure parameters should be used.

Can the plastic blanking plug be reused?

Before reuse, check the condition of the thread and body. Damaged, cracked, or deformed elements should be replaced.

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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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