Chesterton 5505H High-Strength Disc Springs

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Chesterton 5505H High-Strength Disc Springs
High Strength, High Temperature Flange Sealing


​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​These specially-designed, high-strength springs deliver a reserve of elastic energy to each bolt, allowing them to maintain constant load on the flange and gasket during normal operation, or during thermal cycles. Properly selected and installed, Chesterton's 5505H Flange Disc Springs can provide dramatic improvements in leakage performance and service life.​

​Shut-down to shut-down reliability
Significantly reduces downtime on critical equipment
Lowers emissions and meets environmental regulations
Reduces leakage and product loss
Reduces safety and housekeeping concerns
Improves plant efficiency and reduces total cost
For bolted heat exchangers and pipe flanges
Maintains constant compression on gasket seals
Eliminates leakage problems caused by thermal cycling, vibration, and pressure surges
High temperature capability
    Conforms easily to the valve’s body and bonnet
    Maintains excellent anti-extrusion properties
    Requires significantly lower pressure to seal than traditional metal bonnet seals
    Enables easy removal without damage to the valve body
    Technical Data5505H
    MaterialsChromium steel with oxide coating
    Temperature0°C to 600°C (32°F to 1100°F)
    Corrosion average



    Installation Instructions: 5505H Flange Bolt Disc Springs (English) Instructions: 5505H Flange Bolt Disc Springs (English)pdf
    SDS: 5505H (English) 5505H (English)pdf



    Catalog: Chesterton Packing & Gaskets (English) Chesterton Packing & Gaskets (English)pdf
    Article: Stationary - Reliable Flange Sealing Flange Sealing.pdfArticle: Stationary - Reliable Flange Sealingpdf
    Brochure: Chesterton Flange Sealing Program (English) Chesterton Flange Sealing Program (English)pdf
    Catalog: Mechanical Packing and Gaskets (Espanol) Mechanical Packing and Gaskets (Espanol)pdf
    Brochure: 5500 Flange Bolt Discs Springs (English) 5500 Flange Bolt Discs Springs (English)pdf