Mechanical Seals

Style 63

Single High Temperature Stationary Welded Metal Bellows Cartridge Seal

• Easy Cartridge seal installation of the Style 64 Stationary High Temperature Bellows
• Proven high performance nesting ripple bellows design
• High temperature static grafoil packing throughout seal
• Standard AM350 heat treated bellows with Inconel 718 heat treated bellows option available
• Low expansion alloy face retainer
• Stationary Design accommodates higher shaft to stuffing box misalignment. Since the bellows only flexes once during installation and not every revolution like a rotating design. This reduces face movement and increases seal life.
• Upgradable to API design specifications with piloted gland and metal to metal confined gland gasket which prevents blow out or extrusion of the gasket
• Flush, quench and drain connections with a throttle bushing
• Bronze Steam deflector option available to provide quenching of the inside of the bellows to prevent coke buildup
• Carbon floating bushing option available
• API 682 Type C Arrangement 1 available
• Double Ply available for higher pressure

Operating Conditions

Max Temp - 800ºF (425ºC)
Max Pressure - 300 PSI (20 bar)
Max Speed - 10,000 SFPM (50 m/sec)

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Single High Temperature Rotating Welded Metal Bellows Cartridge Seal

• Easy cartridge seal installation of the Style 60 Rotating High Temperature Bellows
• Proven high performance nesting ripple bellows design
• High temperature static grafoil packing throughout seal
• Standard AM350 heat treated bellows with Inconel 718 heat treated bellows option available
• Low expansion alloy face retainer
• Rotating design assures self cleaning
• Upgradeable to API design specifications with piloted gland and metal to metal confined gland gasket which prevents blow out or extrusion of the gasket.
• Flush, quench and drain connections with a throttle bushing
• Carbon floating bushing option available
• API 682 Type C Arrangement 1 available
• Double Ply available for higher pressure

Operating Conditions

Max Temp - 800ºF (425ºC)
Max Pressure - 300 PSI (20 bar)
Max Speed - 4500 SFPM (22 m/sec)

View Drawing
Download Brochure

Note: Max Temperature / pressure / speed indicate operating extremes independently and do not imply the seal will function at these extremes at the same time. Contact Flex-A-Seal if in doubt.