22 May
gas welding

What is the difference between gas welding and braze welding?

Gas welding and braze welding both require skill, patience and an oxy-fuel torch. There are several differences, however, between the two applications that require different techniques and materials.

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25 April
Harris single stage 25GX gas regulator
By Harris Products Group

With a single stage regulator the delivery pressure rises as inlet pressure decreases - why?

Gas regulators are designed to reduce pressure to a usable volume for a specific application. What happens when gas flows into a single stage regulator?

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20 February
CGA connections on gas cylinders
By Harris Products Group

Why do cylinder valves have different thread types?

It is required in the U.S. by OSHA and the Compressed Gas Association (CGA) that cylinder valves be designed differently to prevent interchangeability with gas systems and equipment. This is one of the most important safety practices in the gas industry.

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25 January
Cutting with a Harris torch
By Harris Products Group

Will a Check Valve stop a Flashback?

A flashback is an uncontrolled flame that recesses back into your oxy-fuel gas equipment, upstream of the location where the gas is designed to mix. In order to have a flashback you must have oxygen and fuel mixed together.

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28 November
Harris two-stage regulator
By Harris Products Group

Two-Stage Regulators

The basic function of a gas pressure regulator is to reduce unusable high pressure from the source to a lower usable delivery pressure. Two-stage regulators are designed to lower the high pressure in two stages. They require less readjustment and provide a more constant delivery pressure despite changes in inlet pressure. They are exceptionally well suited for high pressure cylinder applications.

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29 September
Harris regulators at SkillsUSA
By Harris Products Group

Acetylene vs. Alternate Fuel Characteristics

When selecting between acetylene and alternate fuels, there are several factors that need to be evaluated. While cost is certainly a consideration, it's also important to know the characteristics of each gas. Choosing the wrong fuel gas for your application could end up costing you more in the long run. Here are some important characteristics of both gas types to help you make the best choice.

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31 August
Pipeline regulator with gas cutting torch
By Harris Products Group

What's the Difference between a Pipeline and Station Regulator?

There is little difference between a pipeline regulator and station regulator other than the inlet fitting. Learn the reasons why this change was implemented, and how it keeps you safe.

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20 July
Harris Flashback Arrestors
By Harris Products Group

The What, Where, and When of Hose Type Flashback Arrestors

Flashback arrestors and check valves are safety devices designed for oxy-fuel systems to prevent or control damage from an occurrence like a flashback. They are used to prevent damage to equipment, but more importantly, to prevent personal injury.

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