PK Seal

• Single spring rubber bellows will not wear shaft or sleeve
• Flexible rotary face floats to compensate for misalignment
• Fits into shallow stuffing boxes
• Reliable, economical performance
• Unitized construction means simple installation--no loose parts to inventory
• Won't clog in dirty environments

• Minimum Shaft Diameter:        0.500 in.    /    12.7 mm
• Maximum Shaft Diameter:    3.000 in.    /    76.2 mm
• Pressure:                To 150 psi     /    10 bar
• Vacuum:                28 in Hg     /   711 mm Hg
• Temperature:            To 400°F    /     204°C
• Shaft speed:            To 2500 fpm / 12.7 m/s

Materials

• Metallurgy: 316SS
• Springs: Stainless steel
• Bellows: Fluoroelastomer or nitrile
• Faces: chemical grade carbon and ceramic; silicon carbide and tungsten carbide optional (See price list for other options)

• Centrifugal pumps
• Gear boxes
• Speed reducers
• Other rotating equipment