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Desalign Compact Flange

Destec Engineering have been designing and manufacturing products for the oil, gas, petrochemical, and power generation industries for over 50 years. As a consistent innovator in the industry, Destec have a new product for subsea misalignment applications; the Desalign Compact Flange.

Misalignment Flange

In some of the most hostile subsea blocks it is a challenge to connect pipes with misalignment. With movement of the sea bed, pipes being dislodged, and pipe defects, there is a need to connect pipes in an eff icient and cost-effective manner. With current pressures, this is not always possible. However, Destec has made a compact lightweight pipe connection, rated to 1500lbs, which is also piggable in both directions, and will allow a 5-degree misalignment. After some research, and demand from the Norwegian sector, Destec realised that there is nothing that comes close to its Desalign Flange in the industry.

Destec has always gone with a compact design throughout its history, and its no exception with the Desalign Compact Flange. With Lloyd’s and API approvals, and a weight saving of up to 75%, the Compact Flange really is the best solution for high pressure and subsea applications. The Destec Compact Flange has been used in many major projects throughout the world including the CATS pipeline, BP Quad, FPSO Kikeh, PVEP POC Platforms, and Ekofisk 2 to name a few.

Destec 1500 RD Seal

The Desalign Flange will mate with the Destec Compact Flange with a size range from 2” to 24”. However, it can also be used for topside applications if needed; not just subsea. The Destec Seal Ring is where the sweet point is in our designs. The basic principal of all Destec Seal Rings is to seal as close to the bore of the joint as possible whilst retaining a reliable and accommodating product which gives Destec a compact design. The Destec range is not only being used in its own subsea and topside connectors but also in military, aerospace, petrochemical, nuclear and power industry equipment with sizes from 13mm to 2700mm.

Many clients have drawn on Destec’s specialised knowledge and experience in the use of high pressure and high temperature metal-to-metal static seals. Destec have developed a sealing system which uses a modified cone ring, giving excellent leak tightness properties under the most severe conditions of pressure, temperature, thermal cycling and shock.

Desflex Compact Flange

Destec’s Seal Rings are being used as original equipment in client’s products, and also as replacements for other troublesome joints.

With conversions of old joints to Destec Seals, our engineers carry out the design modifications in accordance with established codes and standards, whilst the practical site work is handled by Destec’s On-Site Machining Service, using portable machines to carry out the modification and re-build on site.

There are a few companies that sell similar products to Destec, but none do so without subcontracting processes. Destec manufactures in-house to ensure high quality standards are controlled. Destec also off er an on-site machining service which rivals our competitors. Our on-site team is there for machining our products off shore to maximise the production of the platforms. We can also machine API, ANSI, NORSOK and other types of flanges. Some of the recent machining projects Destec has been involved in has taken us into hostile and challenging places throughout the world, but we always maintain our quality. Other major projects coming up will be the machining and cutting of the 11.5 Reactor Head and Regenerator Head at an Exxon site in Asia. Destec has the most technologically eff icient and safety-conscious way for doing the work required, which provides a huge cost saving for the client. We have researched previous sites and found that it could save the client up to £6 million with Destec’s technology compared to water cutting.

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