• Solition for high temperature and high viscosity product
• Welded metal bellow design
• Absence of dynamic o-ring increases the elastomer temperature range
• Balanced
• undepended on direction of rotation
• Fitting dimentions according to DIN 24960(EN12756)

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:

• p = 25 bar
• t = -50 … 220°C 
• v = 20 m/s

Type: Metal bellow seal
Replacement: John Crane 670, 680, Burgmann MFL85N, AES BSAI