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Challenge of Design Verification Test (DVT/TAT).

Challenge of Design Verification Test (DVT/TAT)

In my professional career I have found that in practice there is often misinterpretation in understanding Design Verification Test (DVT). DVT is formerly known as TAT (Type Acceptance Test) – a Shell Specification (MESC SPE 77/300A).

In the industry, there are many different manufacturers offering valves meeting Shell requirements. Users should also find out if these valves also meet the full Shell MESC SPE 77/300A Specification. This misinterpretation made me write this post.

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Cryogenic valves - LNG application.

Cryogenic valves for LNG application – Part 2

In our second part of the cryogenic valve series I would like to responsive on questions like “What are the challenges of using cryogenic?”, “Selecting a valve for cryogenic service.”, “How can engineers ensure tightness of cryogenic valves?” and “What should engineers pay attention to during assembly of cryogenic valves?”.

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Cryogenic valves - LNG application.

Cryogenic valves for LNG application – Part 1

One of our customers needed a primary isolation valve for a pressure measurement on a container ship. The ship uses natural gas power. The valve had to meet the Fire Safe API requirements. It also had to pass a cryogenic test with liquid nitrogen (-196 ° C). The container ship rides under the American flag. Thus, an independent examiner had to administer the test. This examiner came from the American Bureau of Shipping (ABS) and the US Coast Guard.

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All about Close Coupled Flush Rings.

All about Close Coupled Flush Ring

The chemical industry uses flush rings for diaphragm seals. These rings prevent clogging of the instrument connection. The technician mounts the ring between the process flange and the diaphragm seal. It has flushing ports and membranes. The flushing ports allow users to wash out particles from in front of the membrane. It also has a pressure chamber, which users can vent, drain, or fill with cleaning liquid. The user can then flush the chamber.

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Passion & customer-centricity – A decisive factor to success.

Passion & customer-centricity – A decisive factor to success

As 2018 is coming to an end, I have used the festive season to reflect on what we at AS-Schneider have achieved over the course of the year. Very often we forget to celebrate our success and tend to focus on the challenges (and there are plenty). From the sales point of view, I’m extremely happy to celebrate one of the best years in our 143-year-long history.

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Flexible alignment of the pressure gauge display.

Provide usability for EPCs

In plant construction, you often come up against challenges where standard valves no longer fit. Then, you need professional support who can advice you what to do when standard solutions don`t meet the requirements of the installation.

Some time ago we have created a simple but very helpful solution for a pressure gauge manufacturer. The solution refers to the alignment of the pressure gauge display.

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