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About a fifth of the world’s steel is destroyed each year by the corrosion that affects, among other things, the pipes used for the transport and distribution of gas, water and petroleum products.

The corrosive attacks that develop on said pipes, cutlery for the most part in the ground, can cause the following serious drawbacks:
Leaks of the product conveyed, sometimes accompanied by explosions and fire, in the case of gas or petroleum products;
Pollution of water supplies;
Pollution of the soil, of courses and mirrors of water and aquifers, even deep;
Interruptions in service, with costs often substantial for repair and reconstruction;
Downgrading of the pipe.

These inconveniences and damage can be avoided if the pipes are equipped with a cathodic protection. this, however, can be effective and complete, provided that the pipes themselves:

They are equipped, in each part, with an insulating coating quality;
are not in contact with metallic foreign structures, including its own artifacts containment, protection, weighting, locking and support;
They are electrically isolated from those parts which constitute them for a grounding of low resistance, as well as by their traits or systems to which it is not intended to or can not extend the cathodic protection.

The electrical insulation of the pipes is achieved by means of special pieces denominated Insulating Joints, to which you require a hydraulic seal and a resistance to mechanical and thermal stresses at least equal to those of the pipe in which they will be inserted.

We have the solution

Now FAP, trademark holder PROCHIND®, dedicated to the research, the study and design of insulating joints are not subject to the drawbacks and the consequent risks associated with the use of traditional insulating joints flange.

The different types of joints PROCHIND® products from FAP, require no maintenance or conservative replacements, during the lifetime of the pipe on which they are installed. This involves sensitive economic benefits, as it can dramatically reduce the costs of operation.

In fact, unlike the insulating joints flange, which necessarily must be installed outdoors or in a suitable inspection chamber inground and watertight, the FAP insulating joints can be buried directly.

In that case they must, however, be equipped with an adequate external insulation.

The FAP insulating joints are divided into two categories: insulating joints for users and insulating joints for pipelines.

JOINTS INSULATION FOR USERS
For each user, domestic or industrial, are headed pipes, usually metal, that the supply of water and gas collected from local distribution networks.

Inside of users these pipes are connected among them and with other, via the user appliances, and are often in contact or are intentionally connected with structures or with metallic reinforcements of buildings or are finally frequently used for the grounding of installations electrical.

Therefore, to avoid harmful current flows between pipes of different service or between these and other metal structures, it is essential that the pipes connecting equipment are equipped with insulating joint upstream of each user.

JOINTS INSULATION FOR PIPELINES
As mentioned earlier, each metallic conduit must be electrically separated from all other foreign structures. This separation is obtained with the maximum degree of reliability through the use of FAP insulating joints for pipelines.