Single Spring Rubber Bellow Seal

The Rubber Bellow Mechanical Seal is a simple and cost-effective sealing solution designed for light to moderate-duty pump applications. Featuring a single coil spring and an elastomeric bellow, this seal accommodates shaft misalignment and vibration while ensuring reliable sealing. Ideal for water pumps, submersible pumps, and general-purpose rotating equipment, its compact design allows easy installation without requiring shaft step or sleeve. Constructed with corrosion-resistant materials, the rubber bellow seal offers dependable performance in clean water, light chemicals, and mild slurry applications.

Face

Carbon vs. Ceramic, Silicon Carbide, Tungsten Carbide

Hardware

SS 304 / SS 316

Secondary seal

Nitrile, Neoprene, EPDM, or Viton rubber bellows

Application

Domestic water pumps, sewage pumps, submersibles, light slurry and chemical pumps

Shaft diameter

10 mm to 60 mm

Pressure

Up to 10 bar

Temperature

-20°C to +120°C