Flex-A-Seal Mechanical Seals:      Metal Bellows

Style 40 - 42 - 45 - Welded metal bellows.

• Dynamic O-ring is eliminated.
• Superior performance, no hang up or shaft fretting.
• Hydraulically balanced seal. Allows seal to handle more pressure without heat buildup.
• Pressure to 300 PSI.
• Self cleaning. Centrifugal force throws solids away from seal.
• Fits small cross section stuffing boxes.
• Available in metric and DIN sizes.
• Bellows allows 360 degrees even face loading.
• Varied choice of face, elastomer, and metal materials.
• Single piece construction.
• Operating Conditions: Max. Temp 400ºF (204ºC), Max. Pressure 300 PSI (20 bar), Max. Speed 4500 FPM (22 m/sec).

Style 60 - 62 - 64 - High temperature welded bellows design.

• Static grafoil packings.
• Temperature sensitive O-rings are eliminated.
• High temperature metallurgy. All parts are designed to handle elevated temperatures without any adverse effects.
• Hydraulically balanced seal. Allows seal to handle more pressure without heat buildup.
• Self Cleaning. Centrifugal force throws solids away from seal.
• Stationary (Style 64) and drive lugs (Style 62) options.
• Cartridge design available.
• 360 degree even face loading.
• Operating Conditions: Max. Temp 800ºF (425ºC), Max. Pressure 300 PSI (20 bar), Max. Speed 4500 FPM (22 m/sec).

Style 66 - High temperature cartridge.

• Easy cartridge installation.
• High temperature static grafoil packing throughout.
• Individual connection sizes to assure proper piping.
• Inconel bellows options available.
• Rotating designs assure self cleaning.
• Stationary and drive lug designs available as required.
• Easily upgradeable to API design specifications.
• Operating Conditions: Max. Temp 800ºF (425ºC), Max. Pressure 300 PSI (20 bar), Max. Speed 4500 FPM (22 m/sec).