• Mechanical seal for highly corrosive media, where metals are not resistant. Installed in the plastic or plastic covered pumps for concentrated and organic acids.
• Externally mounted
• Metal parts are out of the contact with media
• Multiple spring design
• undepended on direction of rotation

Seal faces materials:

Rotary face:

• glass-filled PTFE
• cabon-filled PTFE
• coal-filled PTFE

Stationary seat:

• Silicium carbide (Q1)
• Ceramics (V)

Operating limits:

• p = 8 bar
• t = -40 … 220 °C
• v = 10 m/s

Type: External mechanical seal
Replacement: : AES NCE / CS, Burgmann AX25