Straight Reducing Barbed Plastic Joiner

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  • Plastic Inline Reducing Hose Connector Plastic Joiner Auto Silicone Hoses 12mm > 8mm Black

    Plastic Inline Reducing Hose Connector

    3D Printed ABS Plastic Thick Walled
    Ab £4.11
    Ab £4.11

  • Plastic Straight Reducing Joiner

    3D Printed ABS Plastic Thick Walled
    Ab £4.11
    Ab £4.11

Straight Reducing Barbed Plastic Joiner

Our Straight Plastic Reducing Connectors are designed to provide a secure and leak-free connection between hoses of different diameters. These hose connectors feature a durable plastic construction with precision-engineered barbs that ensure a tight grip on Samco Sport, Mishimoto, Venair, AutoSiliconeHoses, and other leading brands of silicone, rubber, and PVC hoses. The strong barb design prevents leaks and ensures smooth fluid flow in a variety of applications.

Ideal for automotive, industrial, and fluid transfer applications, these straight hose connectors allow for easy adaptation between different hose sizes without the need for complex fittings. Their simple push-fit design enables quick and hassle-free installation, making them an efficient solution for various hose connection needs.

To suit different applications, we offer these hose joiners in multiple sizes and four colour options: black, white, blue, and red. This allows for colour-coded setups, helping with hose identification and system organization.

Whether you're working with air, water, coolant, or other fluid systems, our straight reducing hose connectors provide a versatile, durable, and cost-effective solution for adapting and connecting different hose sizes with ease.

What is a straight reducing joiner?
A barbed plastic fitting that joins two hoses of different internal diameters in a straight line, with a barb at each end sized to its respective hose. It saves stacking adaptors or trying to stretch one hose over an oversized barb, which never seals reliably.

How do I size one?
Match each barb's outside diameter to the internal diameter of the hose that goes on it - so a joiner is specified by the two hose bores it connects, large to small. Each end should need a firm push; warming the hose end in hot water makes a tight fit far easier.

What are they made from?
ABS plastic, thick walled. That gives good strength for a plastic fitting, resistance to corrosion in constant contact with water, and a low cost. What it does not give is temperature range or the strength for pressurised systems - use metal or silicone for those.

Do I need clips?
On anything pressurised, or anything that matters if it comes off, yes - one each side. The barb resists pull-off but does not seal on its own once the hose relaxes with age and temperature. On a reducing joint the smaller side is usually the one that lets go first.

What can I use them for?
Low-pressure water, pond and garden systems, ducting, drainage, washing machine and appliance drain lines, and general workshop plumbing where there is no significant heat. They are not for fuel, oil, compressed air at pressure, or anything in an engine bay.

Will a reducer restrict flow?
Flow through any system is limited by its smallest bore, so a reduction does cost you. What a proper reducing joiner avoids is the additional turbulence of a badly stepped or stretched joint. If you can avoid reducing at all, do - if you cannot, a moulded reducer is the efficient way.

  • Questions about Straight Reducing Barbed Plastic Joiner?

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