Type S Oil Seal & Type SAS Oil Seal

Type S Oil Seal and SAS Oil Seal Supplier UK

The totally metal encased, single sprung lip Type S Oil Seal has a very rigid construction particularly useful for heavy or dirty applications. The additional reinforcing inner cup can also be used for assembly in the “reverse” direction. Available in Nitrile (NBR), Viton® (FKM/FPM), Polyacrylic (ACM) and Silicone (VMQ) in inch and metric sizes.

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Type S Oil Seal : Totally encased built up single lip type

Similar in construction to the ‘S’ type, this seal has the benefit of an additional moulded dirt lip as shown in the more common ‘BS’ type. Also available in Nitrile (NBR), Viton® (FKM/FPM), Polyacrylic (ACM) and Silicone (VMQ) as well as in inch and metric sizes.

Type SAS Oil Seal: Built up semi-dual type

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Our S-Seal is a technologically advanced replacement for traditional three-piece T-Seals or O-Rings with back-ups. A metal garter spring is incorporated into a uniquely designed elastomeric seal element. This enables it to withstand large extrusion gaps (up to .125”).

The S-Seals are custom designed to take into consideration temperature, media, and environment. The seals have been proven effective in pressures up to 15,000 psi and in temperatures up to 500ºF without the gland over-fill.

The one-piece S-Seal eliminates installation problems that can occur when using multiple component seals. It can be stretched into place without splitting or compromising the non-extrusion elements of the seal. In addition, they can be manufactured to accommodate practically any gland dimensions including large diameters or cross-sections.

Design

Features and Benefits

• Replaces common three-piece seal assemblies
• Ease of installation
• Can bridge large extrusion gaps
• Broad range of spec-grade elastomeric materials
• Large selection of available sizes
• Multiple material options for spring elements
• Metallic anti-extrusion spring option provides maximum extrusion resistance in static applications
• Thermoplastic anti-extrusion spring option available for dynamic applications

Engineering and Design Considerations

Piston Configuration

Rod Configuration

Material Selection

Commonly Used Elastomer Materials

Spring Option 1: Commonly Used Metallic Materials for Spring

Spring Option 2: Available Specialty Polymeric Material for Spring

Common Applications and Services

• Static HPHT applications
• Stab-in operations
• Manifolds
• Connectors
• Perforation
• Risers
• BOPs
• Compressors
• Directional drilling
• Wellheads

Manufacturing and Production Processes

• Molding

Sizing

• Standard AS568B housing sizes
• Custom sizing options

At CDI, we all have a part to play in protecting the planet. To be good stewards of our environment, we look at the environmental impact of our operations and products. That’s why CDI has adopted ambitious goals for long-term sustainability in polymer manufacturing, including drastically reducing our overall environmental impact. We’re continually adopting innovative ways to reduce, reuse, and recycle across all of our manufacturing processes as we push toward a more sustainable future in manufacturing.

For more information, please visit s type oil seal.