• Special single mechanical seals for SULZER / AHLSTROM pumps series APP, APT
• Ready to fit
• Pump type or OEM seal number is sufficient for the order
• Balanced
• Undepend of direction of rotation

Seal faces materials:

• Resin impregnated caron(В)
• Antimony impregnated carbon (A)
• tungsten carbide (U3)
• silicon carbide (Q1, Q2)

Secondary sealing materials:

• Fluorcarbon rubber, FKM (V)
• Nitrile-butadiene-rubber (P)
• Ethylene propylene
• rubber, EPDM (E)
• Perfluorocarbon rubber, FFKM (for example Kalrez®, etc.), (K)

Operating limits:

Pressure:

• p = 25 bar

Temperature:

• t = -40 … 110ºС (NBR)
• t = -50 … 150ºС (EPDM)
• t = -20 … 180ºС (FKM)
• t = -20 … 250ºС (FFKM)

Rotation speed:

• v = 25 m/s

Type: Cartridge mechanical seal
Replacement: Burgmann LP-S, Safematic SE1, Sulzer TB1