COUNTRY: Netherlands
CITY: Goes
COMPANY ACTIVITIES: Non-Destructive Testing Services, Metrological service, Testing Laboratory
PHONE: +31-113 568515
ADDRESS: Columbusweg 64 4462 HB Goes
NON-DESTRUCTIVE TESTING METHODS: Magnetic Particle Inspection (MT), Radiographic Testing (RT), Penetrant Testing (PT), Ultrasonic Testing (UT), Leak testing, Ultrasonic thickness measurement (UTM), Positive Material Identification (PMI) (XRF)


ITIS B.V. (Industrial testing & Inspection Services) is an independent technical service company and has expert knowledge and experience in providing: Leak Testing, Valve Testing, NDT and Inspections. ITIS B.V. is located in Goes in the South West of the Netherlands.

We are a recognized provider of customized services to various industries, including power generation, chemical and petrochemical, oil & gas, cryogenic and other high risk industries.

Through an independent and objective attitude we strive for customer satisfaction by providing services that not only meet but exceed expectations and international standards. With our expertise, we are more than capable to support our international clients.

Vision: ‘Simply the best service!’

For us at ITIS it is simply standard practice to offer the best service to our customers. We strive to achieve this top-of-the-line service by understanding the needs of our customers, so that we may offer them solutions of the highest quality.

We are able to comply with the most stringent requirements and can assure our clients of the best possible quality at all times. Typical of ITIS is its flexible organization and productive structure, capable of reacting quickly to the different needs of our clients.

The state-of-the-art test facility in Goes (NL) is equipped with test bunkers for x-ray and high pressure tests, valve test benches, ultra-low freezer, fire safe test bunker and other special test equipment. Also, even before moving to our new location, we have put considerable time and resources in automating our testing equipment. This is still mostly in experimental phase, but in the near future we imagine the door of the test bunker only opening before and after the actual test phase. Robotics and computers will be conducting sniffer tests, operating valves through hundreds of cycles and so on while the operators will never be near to a potentially dangerously cooled, heated and/or pressurised vessel.


  1. Leak Testing

  2. Valve Testing

  3. Non-Destructive Testing

  4. Research & Technology

  5. Calibration

  6. ITIS-Tanktesters

Leak Testing

Leak testing is a highly precise means of leak detection and is used to locate and quantify leaks in a wide variety of industries and applications, including: valves, vessels, heat exchangers, seals, flange connections, tubes, steam turbines and condensers, vacuum systems, distillation towers and many other systems and components.

There are different methods used to measure the amount of released media, and various media can be used as tracer gas. The tracer gas testing determines the change in concentration or an actual leak rate of a tracer gas on the lower pressure side of a test part. Typical tracer gases are helium & hydrogen. Sometimes it’s even possible to use the process fluid as a test gas (LDAR testing).

Selecting the best leak test method is actually an economic decision that balances the cost of meeting the leak test specifications within the conditions and requirements of production. While leak testing may look to be a simple procedure, the process involves a combination of both science and skills. The operator must ensure the equipment is functioning properly and the process is highly dependent upon the operator’s experience.

Valve Testing

The independent test facility at ITIS B.V. is one of the most advanced valve test facilities in Europe.

Cryogenic testing, low temperature testing, high temperature, burst tests and fire safe tests can be performed in our laboratory. Valves, fittings, flanges and gaskets can be tested according to international standards and (customized) procedures of clients from -196°C up to 800°C.

All tests are performed under controlled conditions and carried out in perfectly safe environments. The measured data can be recorded and logged by a digital registration system so that reporting of tests is fairly simple.

As we always try to keep up with the latest technologies, it is also possible to witness valve tests via the internet. Test data and video images can be streamed ‘live’ so that a notified body, customer, end user or any interested party can witness the complete test procedure from anywhere in the world.

SHELL has recognized ITIS as an independent partner regarding services related to production testing and Type Approval Testing (TAT) or Design Validation Testing (DVT) of valves.

Non-Destructive Testing

With Non-Destructive Testing (NDT) we can analyze welds, piping, valves and other materials for the presence of invisible defects without causing damage to the material.

Non-Destructive Testing is the process of inspecting, testing, or evaluating materials, components or assemblies for discontinuities, or differences in characteristics without destroying the serviceability of the part or system. In other words, when the inspection or test is completed the part can still be used. Because NDT does not permanently alter the article being inspected, it is a highly-valuable technique that can save both money and time.

Our in house NDT methods are:

  • Ultrasonic Testing (UT)

  • Liquid Penetrant Inspection (LPI)

  • Magnetic Particle Inspection (MPI)

  • Radiography Testing X-ray (RT)

  • Positive Material Identification (PMI)

NDT will be executed by specialists according to international and national standards. These specialists are certified in accordance with ISO 97012.

Research & Technology

End users often demand the highest technical requirements on your products and materials.

To ensure that your products will be internationally recognised and meet all relevant standards, we offer numerous product tests and certifications as an independent and experienced partner, always accomplished with current state-of-the-art technology.

As independent partner we provide Research & Technology services and are able to offer a broad spectrum of acceptance and approval tests on products and materials, like: valves, gaskets, fittings, swivels etc. From our unique position between research and industry we can provide you with support throughout the entire product development process, helping you to verify your product’s durability, function and safety.

In our modern test facility we are able to test your products and assemblies for their behaviour and reliability in accordance with standardised conditions, but also under extreme temperature and climate conditions. For the purpose of product development and validation, we provide services which include test methods such as destructive examination, pressure pulse testing, endurance testing, load testing, burst pressure testing, leak and climatic testing.

We will gladly advise you on the most efficient and economical way to test and certify your products within the wide range of possibilities we offer.


Calibration in measurement technology is the comparison of measurement values delivered by a device under test with those of a calibration standard of known accuracy.

ITIS offers verification, calibration and measurement services that are executed under controlled conditions and is traceable to either national or international standards.

Scope for calibration:

Temperature; (-196°C – 800°C)

Pressure; (vacuum – 2000 bar)

Torque; (10 – 1100 Nm)

Flow Nitrogen/air; (0 – 100 Nl/min)


ITIS-Tanktesters has developed a innovative In-Situ test method according Dutch guideline PGS 29 for testing ERV&PVRV valves on storage tank, tank roofs.

Last year ITIS-Tanktesters developed a innovative In -Situ test-method to determine opening set pressures and inspecting ERV en PVRV valves on tank roofs of storage tanks according Dutch guideline PGS 29.

In-Situ means, testing and inspecting will take place on the tank roof during operation in of course constrained conditions.

It goes without saying that this method entails cost savings compared to current used methods.

This means that storage tanks no longer have to be taken out of operation to certify valves according PGS 29. This implies that lead time can be greatly reduced and mobile cranes are no longer needed in the plant.

Also Safety risks are greatly reduced when applying this method.

Want to know more about the possibilities that ITIS-Tanktesters has to offer? Feel free to contact Niels Herman, in charge of business development of ITIS-Tanktesters.


Mobile: 0031 6 21 963 795