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Types of Fittings for Hoses

Author: Vic

Nov. 04, 2024

Types of Fittings for Hoses

Fittings are used to connect hoses, pipes and tubes to hydraulic systems. They maintain a quality seal and hose pressure, also reducing the risk of torquing. But, when looking at the different types of fittings for hoses, it&#;s easy to get confused. There are many shapes, materials, threading and sealing types.

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In this blog post, we&#;ll discuss the different types of fittings for hoses to help you choose the right one for your application. To start, there are two main categories &#; permanent crimp fittings and field attachment fittings.

Permanent Crimp Fittings

This is the most common category. Permanent crimp fittings require the presence of a crimping machine to attach the hose. A well-crimped seal is essential to a hydraulic hose because it allows the fluid to move through freely without leaks.

Field Attachment

If you have access to the crimper, the field attachable fitting is an excellent choice they are classified into plugs, unions, elbows and crosses, depending on the shape. If properly assembled, they can meet all applicable SAE specifications. However, keep in mind that SAE is based on construction technique and the material of the hydraulic hose.

Three Types of Fittings

While hydraulic fittings for hoses fall within these two categories, they are either metal seal, soft seal or tapered thread connectors. No matter which one you use; they must hold a tight seal.

Metal Seal &#; uses a tapered thread combined with a machined face. They require welding or soldering to the tube.
Soft Seal &#; use an elastomeric seal to prevent leakage. They can withstand heavy vibration and don&#;t break down nearly as often as a metal seal. An example of this is ORFS fittings.
Tapered Thread &#; seal through deformation of the male and female thread. This type of fitting has the potential to leak.

Installation

Installation of an NPT thread is something to keep in mind. Make sure it&#;s intended to be permanent. If the hose needs replaced or removed on a regular basis, you&#;ll need a quick coupler (the JIC type), which can handle disassembly and reassembly without leakage.

When a hydraulic system has a leak, the consequences can be devasting. Therefore, it&#;s important to understand the different types of fitting for hoses before doing an installation.

To learn more, download our blueprint on the four things to consider when choosing hydraulic hose fittings.

If you are looking for more details, kindly visit HT-HYDRAULICS.

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A Complete Hose Connector Guide

Let&#;s take a look at these different types of hose connectors in more detail.

Air Hose Connectors

Air hose connectors provide tight and reliable seals for attaching high-pressure hoses to air pumps, brakes, and breathing tanks.

Water Hose Connectors

The water or liquid hose is used in both familiar domestic settings like back gardens, as well as a wide variety of commercial and industrial environments, primarily for cooling and cleaning purposes. While a leaking garden hose may not provide too much of a problem, leakage in a factory is potentially dangerous so the connectors used must provide a tight and reliable seal.

Hydraulic Hose Connectors

Hydraulic hose connectors are fittings designed to connect hoses to various components used within hydraulic systems. This could include valves, cylinders, or pumps. Highly secure, hydraulic hose fittings offer tightly-sealed connections, preventing leakage, maintaining a safe operational level of pressure, and directing the flow of hydraulic fluid within the system.

Brass Hose Connectors

Brass hose connectors make a good choice for low-pressure hosing and are often used with domestic garden watering equipment as well as fuel lines. Brass is resistant to corrosion and pliable but strong. However, it is important to ensure that only quality brass has been used in the manufacturing process as cheaply-made brass can be weak and porous.

Aluminium Hose Connectors

Aluminium is a notably light metal &#; only around two-thirds the weight of steel or brass with the same mass. This makes it a great choice for larger connectors used within industrial settings. It is also highly resistant to corrosion, pliable, and less expensive than steel alternatives.

Steel Hose Connectors

Carbon steel is a blend of steel and carbon. When properly treated, carbon steel is stronger than the regular alternative, although less pliable. Varying the blend of carbon and steel provides different strengths and levels of resistance to corrosion. Hose connectors made from carbon steel are widely used within industrial environments because they can withstand high pressures.

Stainless Steel Hose Connectors

Stainless steel is an alloy of steel and chromium, highly resistant to rust and other corrosive agents such as saltwater and spray. It is also suitable for use with very high-pressure liquids. Its principal disadvantage is the price &#; stainless steel hose connectors can cost several times as much as those made from regular carbon steel.

Plastic Hose Connectors

Some domestic hose connectors are made from a type of plastic called polyamide. It is inexpensive, highly versatile, and perfectly adequate for low-pressure domestic use.

Contact us to discuss your requirements of Two Piece Hose Fittings. Our experienced sales team can help you identify the options that best suit your needs.

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