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O-ring seal HELICOFLEX®
circularmetalother materials

O-ring seal
O-ring seal
O-ring seal
O-ring seal
O-ring seal
O-ring seal
O-ring seal
O-ring seal
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Characteristics

Type
O-ring
Configuration
circular
Material
metal, other materials
Applications
for aircraft
Other characteristics
static, radial, flexible, spring
Temperature limit

Min.: -272 °C (-458 °F)

Max.: 800 °C (1,472 °F)

Pressure limit

Min.: 10 mbar (0 psi)

Max.: 3,000,000 mbar (43,511 psi)

Description

The HELICOFLEX® seal is a high performance, flexible metal seal that has exceptional compression and elastic recovery properties. This seal is composed of a close wound helical spring surrounded by one or more metal jackets. The spring is designed to have a specific compression resistance. During compression, the resulting specific pressure forces the jacket to yield and fill the flange imperfections while ensuring positive contact with the flange sealing faces. Each coil of the helical spring acts independently and allows the seal to conform to surface irregularities on the flange surface. HELICOFLEX® design flexibility allows Technetics engineers to customize the seal characteristics to match each unique application. FEATURES & BENEFITS Highest sealing level performance on the market, depending on the sealing load, the surface finish, and the surface treatment Excellent corrosion resistance Wide range of materials: from standard to specific and/or rare Special materials on demand for coatings: wide range of materials available, from standard to specific and/or rare (see details below in “Specifications” section) Extended lifetime and more Excellent radiation resistance Compatible with NACE MR 0175 Ø 4 to 8000 mm Ø 1,5 to 40 mm cross-section Adaptable to all types of sealing surfaces (triple faces, radial, shaped, and more) Adaptable to all standards flanges (PNEUROP, ANSI, ISO, and more) PRODUCT APPLICATIONS Nuclear: reactor pressure vessels, control rods, primary pumps, pressurizers, spent fuel casks, transportation casks Valves: body/bonnet sealing, seat sealing Oil and gas: hydraulics, subsea couplings, subsea Christmas trees,

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.