What is a pressure test certificate?

Fire extinguisher hydrostatic test certificate

What is hydrostatic head pressure? Let’s examine the words to better understand the meaning of hydrostatic.- Hydro meaning liquid- Static meaning unchanging.- Pressure is a force exerted on an area.Which of leads us to the following;It is a pressure that is generated by the weight of the liquid due to gravity. The higher the height of a column of liquid, the greater the force, which is expressed in pounds per square inch (psi) for our purposes. The Hydro (liquid) of interest in the test is water, as it is the primary liquid we use for hydrostatic testing. Other liquids can and are used.

Hydro pressure testing is one way that leaks can be found in pressure vessels, pipes and pipelines. Using this test helps maintain safety standards and durability of a vessel over time. Newly manufactured parts are initially qualified by hydrostatic testing, then continuously re-qualified at regular intervals by proof pressure testing, which is also called modified hydrostatic testing. Hydrostatic testing is also a way in which a gas pressure vessel, such as a gas cylinder or boiler, is checked for leaks or failures. Testing is very important because such containers can explode if they fail when containing compressed gas.


Ensuring the quality of the different equipment that make up a system is a daily challenge for our customers, who seek the expertise of companies with the objective of ensuring the installation is placed on the market. These installations are composed of subsystems that are nothing more than the result of the integration of products of different characteristics, type and origin, which require a detailed analysis of the system cycle.

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The CE Marking is the “passport” that guarantees that any equipment and/or system to be marketed in the European Union complies with a series of minimum requirements that accredit the manufacturer that his equipment and/or system can be marketed in the Member States.

In addition to the European Directives, Bureau Veritas Inspection and Testing is an Authorized Inspection Agency (AIA), which enables us to perform the conformity assessment that allows manufacturers to proceed to the ASME Boiler and Pressure Equipment Code marking.

Hydrostatic test certificate

We currently have a cooperation agreement with Ingeniería de calidad en ensayos no destructivos S.C. (ICEND, S.C.) to provide inspection services. ICEND, S.C. is an ema accredited laboratory to provide non-destructive testing services. In the following specialties:

We can perform the services of Inspection of Pressure Vessels and Steam Generators or Boilers through Non Destructive Testing to obtain for the “Authorization of Operation”, before the Ministry of Labor and Social Welfare (STPS) according to the requirements of the Mexican official standard NOM-020-STPS-2002: Pressure Vessels and Boilers-Operation-Safety Conditions, published in the Official Gazette on August 28, 2002.

Assessment of the safety conditions of non-portable containers of tankers, semi-trailers and delivery vehicles that transport, supply and distribute L.P. gas in accordance with the requirements of Mexican Official Standard NOM-010-SEDG-2000 (25-Oct.-2000).

Certification of height equipment

Also known as leak testing, leak testing is a guarantee for the optimal service of a system or process, and sometimes a commitment to the environment. Detect and prevent unwanted leaks.

In addition to pressure tests, which are also used to check the mechanical resistance of pressure equipment, leak tests are often prescribed at generally lower pressures to detect the presence of leaks at the various stages of manufacture and installation of equipment, assemblies or systems, as well as during commissioning.

What is a pressure test certificate?
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