Technical

Commonly asked questions from engineers and technical departments

Henrik Sollie avatar Nils Christian Mathisen avatar
22 articles in this collection
Written by Henrik Sollie and Nils Christian Mathisen

Will the DeltaV-Seal eliminate hazardous areas and explosive atmospheres?

By exceeding gas-tight sealing strengths, and creating a Durably Technically Tight sealing, DeltaV-Seal eliminate the need for ATEX zoning.
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Written by Nils Christian Mathisen
Updated over a week ago

What are the M & Y values for the DeltaV-Seal?

We are frequently asked to provide M & Y values for our gaskets so that the customer can design flanged joints using the ASME standard.
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Written by Nils Christian Mathisen
Updated over a week ago

How effective is a static gasket seal during temperature fluctuation?

The most common way to generate the compressive load required to seal a flanged connection, is through bolts.
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Written by Henrik Sollie
Updated over a week ago

Will thermal cycling effect the performance of the DeltaV-Seal?

What if the joint is subject to significant expansion and contraction cycles caused by extreme variations in temperature?
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Written by Henrik Sollie
Updated over a week ago

Are there any process limitations associated with larger size gaskets?

Process limitations that are normally associated with large size gaskets
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Written by Henrik Sollie
Updated over a week ago

Can we add more torque if a flange begin to leak?

If a flange leak starts, what can be done to stop the leak if using the DeltaV-Seal?
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Written by Henrik Sollie
Updated over a week ago

What measures are taken to protect carbon steel gaskets against corrosion?

If carbon steel gasket is matched to carbon steel pipe, how are they protected against the corrosion that carbon steel experiences?
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Written by Henrik Sollie
Updated over a week ago

What's the behaviour of the DeltaV-Seal when a single bolt is removed i.e. for Hot Bolting purposes?

Hot Bolting is the practice of removing and replacing or freeing and re-tightening bolts on live piping and equipment.
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Written by Henrik Sollie
Updated over a week ago

Will the metal-to-metal contact damage the flange face?

Will the flange be damaged especially after the joint has had been opened/closed multiple times?
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Written by Henrik Sollie
Updated over a week ago

Can the DeltaV-Seal be used to seal large Shell & Tube Heat Exchangers?

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Written by Henrik Sollie
Updated over a week ago

Can the DeltaV-Seal tolerate high temperatures?

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Written by Henrik Sollie
Updated over a week ago

Can 316L gasket be utilized on carbon steel flanges?

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Written by Henrik Sollie
Updated over a week ago

How is the DeltaV-Seal manufactured?

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Written by Henrik Sollie
Updated over a week ago

Can the DeltaV-Seal be used to seal Plate Heat Exchangers?

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Written by Henrik Sollie
Updated over a week ago

Can Pipeotech provide oval gaskets?

Ovals for manholes and handholes
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Written by Henrik Sollie
Updated over a week ago

Can you remove the need to static bond flanges using this metal gasket?

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Written by Henrik Sollie
Updated over a week ago

How to maintain the leak-proof seal?

The DeltaV-Seal is a static, metal to metal-gasket that does not require any re-tightening of flange bolts.
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Written by Henrik Sollie
Updated over a week ago

How well will the DeltaV-Seal operate in cryogenic temperatures?

In general the term "cryogenic" refers to any temperatures around -150°C / -238°F or below.
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Written by Henrik Sollie
Updated over a week ago

How does the gasket achieve its sealing strength?

What filler material is used to create a seal?
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Written by Henrik Sollie
Updated over a week ago

What is the function of the Delta-ridges on the DeltaV-Seal?

What is the reason for the design, and how does it work?
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Written by Henrik Sollie
Updated over a week ago

Can the metal gasket damage the flange surface?

A metal gasket provides the best seal, but is there a risk of leaving a scratch on the flange surface?
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Written by Henrik Sollie
Updated over a week ago

How often do flange bolts needs to be retightened when using the DeltaV-Seal?

The DeltaV-Seal will never require any re-tightening during its operational lifespan.
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Written by Henrik Sollie
Updated over a week ago