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Screw-in plastic plug / cap male thread M45x2

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€0.28

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pcs

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Manufacturer: HYDRON hydraulika siłowa (go to products)

Shipping time: 24 hours

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from €3.64 - GLS Courier (Poland)

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Threaded plastic plug / cap M45x2

The M45x2 threaded plastic plug is a protective element designed for temporary closing of compatible ports and hydraulic connections with an M45x2 internal thread. The plug is made of plastic and is used to protect hoses, control valves, cylinders, and other components against the ingress of dust, grit, shavings, and dirt during storage, transport, repairs, and equipment assembly.

The M45x2 screw-in plug provides practical protection for open hydraulic connections. It allows for the temporary closure of a properly matched threaded port until the final connection is made. The product is used during service work, machine maintenance, and preparation of hydraulic components for transport.

Important: the M45x2 plastic plug does not withstand pressure loads. It is not intended for closing hydraulic or pneumatic systems operating under pressure.

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

Technical parameters of the M45x2 plastic plug

Product type: protective plug, threaded plastic cap.
Thread size: M45x2.
Thread type: metric.
Nominal thread diameter: 45 mm.
Thread pitch: 2 mm.
Material: plastic.
Purpose: temporary protection of connections and threaded ports.
Pressure resistance: the product does not withstand pressure loads.
Color: various colors, randomly packed.
Application: protection of hoses, control valves, cylinders, and other hydraulic components.

Application of the M45x2 protective cap in power hydraulics

The M45x2 plastic threaded plug is intended for temporary protection of connections during repairs, inspections, and assembly of hydraulic installations. It can be used to protect properly matched ports in control valves, cylinders, and hydraulic hose ends.

The plug helps maintain the cleanliness of connections when system components are disconnected, being prepared for replacement, or stored outside the machine. Its use limits the possibility of contaminants entering the protected port.

Metric thread M45x2 – dimensions and identification

The designation M45x2 indicates a metric thread with a nominal diameter of 45 mm and a pitch of 2 mm. These parameters are important during the identification of the connection and the selection of a compatible protective plug.

A caliper and a metric thread gauge can be used to identify the thread. Before installing the plug, confirm the compatibility of the diameter and thread pitch of the protected port. Do not force the plug in, as this may damage the plastic element.

Protecting hoses and connections from contamination

Open hydraulic connections are exposed to contact with dust, grit, metal shavings, and other contaminants found in workshops and industrial plants. The M45x2 plug allows for temporary protection of a properly matched port and helps limit the entry of dirt into the component's interior.

Maintaining the cleanliness of components is important for the durability and proper operation of power hydraulics. Contaminants entering the system can accelerate the wear of pumps, valves, control valves, and sealing elements.

M45x2 plug for transport and storage

The M45x2 plastic plug is useful during the transport and storage of hydraulic parts. It allows for the temporary closure of a threaded port, reducing the risk of contaminants entering it.

The product can be used during component shipping, spare parts storage, and preparing equipment for assembly. Before starting the installation, the protective plug must be removed and the final hydraulic connection must be made.

Plastic – construction of the protective plug

The M45x2 plug is made of plastic, which allows it to be used as a lightweight protection for threaded ports. The product is designed to protect connections during storage, transport, and service activities.

The plastic construction is not adapted to withstand pressure loads. During assembly, avoid overtightening and applying force that could lead to damage of the thread or the plug body.

M45x2 plastic plug vs hydraulic pressure plug

The M45x2 plastic plug is used exclusively for temporary protection of connections and should not be treated as a replacement for a hydraulic plug intended for pressurized operation.

If the port is to remain closed during system operation, an appropriately selected pressure plug with confirmed strength parameters and the correct sealing method must be used. Simply matching the M45x2 thread does not mean the two types of plugs are interchangeable.

How to choose an M45x2 plastic plug?

Before purchasing, check if the protected port has an M45x2 metric thread. The basic criteria are a nominal diameter of 45 mm and a pitch of 2 mm. It is also worth checking the condition of the thread and the available mounting space.

Remember that the product is intended for protection against contamination, not for pressurized operation. When selecting, the design of the connection being plugged and the possibility of proper seating of the plug must also be considered.

Installation and removal of the M45x2 plastic plug

Before installation, turn off the device, safely depressurize the system, and clean the threaded port. Then, check the compatibility of the plug thread with the thread of the protected connection.

The plug should be screwed in carefully, without excessive force. In case of resistance, stop the installation and re-verify the thread fit. Before starting the hydraulic system, the plastic plug must be removed and the correct working connection must be made.

Various colors – random packing

M45x2 plastic plugs are offered in various colors. Individual color variants are packed and shipped randomly, so the delivered product may have a different color than the one shown in the photograph.

Color is not a primary parameter for selecting the plug. The most important factors are the compatibility with the M45x2 thread and the ability to use the product as a temporary connection protection.

Technical specification

Parameter	Value
Product name	Threaded plastic plug / cap M45x2
Product type	Protective plug, plastic cap
Thread	Metric M45x2
Nominal diameter	45 mm
Thread pitch	2 mm
Material	Plastic
Pressure operation	Not intended for carrying pressure loads
Color	Various colors, randomly packed
Application	Temporary protection of hydraulic ports and connections

Frequently Asked Questions (FAQ)

What thread does the M45x2 plastic plug have?

The plug is designed for ports with an M45x2 metric thread, with a nominal diameter of 45 mm and a pitch of 2 mm. Before installation, check the compatibility of the plug's design with the protected connection.

Does the M45x2 plastic plug withstand hydraulic pressure?

No. The plug is protective in nature and does not withstand pressure loads. It must not be used to close a hydraulic installation during operation.

What is the M45x2 plastic plug used for?

It is used for temporary protection of ports and connections in hoses, control valves, cylinders, and other components against contamination during transport, storage, assembly, and repair.

Can I choose the color of the M45x2 plug?

Plugs are available in various colors, packed and shipped randomly. The color of the delivered plug may differ from the one shown in the photo.

Can a plastic plug replace a steel hydraulic pressure plug?

Not in an installation operating under pressure. The plastic plug is used for protection against dirt, while a pressure plug must have appropriate strength parameters and a sealing method.