Conical Spring Mechanical Seal BT-FN

The BT-FN Conical Spring Mechanical Seal is an economical, compact sealing solution designed for light-duty and general-purpose applications. With a spring-loaded seal face and pusher-style design, it’s ideal for clean liquids and low-viscosity media in domestic, commercial, and light industrial systems.

Built with durable materials like Silicon Carbide and Carbon, this seal provides efficient performance and long service life in pumps used across HVAC, water, and household sectors.

Materials
Seal Faces: Steatite, Aluminium Oxide, Silicon Carbide, Tungsten Carbide
Seats: Carbon graphite (antimony/ resin impregnated), Silicon Carbide, Tungsten Carbide
Elastomers: NBR, EPDM, FKM, FFKM
Hardware: CrNi Steel 1.4301 (F), CrNiMo Steel 1.4401 (G)

Application
Building Services & HVAC
Household Appliances
Centrifugal and Clean Water Pumps
Domestic & Garden Pump Systems

Shaft Diameter: 10 mm to 40 mm (0.39” – 1.57”)
Pressure: Up to 16 bar (232 PSI)
Temperature Range: -35°C to +180°C (–31°F to +356°F)
Sliding Velocity: Up to 15 m/s (49 ft/s)