Basic Info.

Model NO.

SS-MBS682

Model NO.

SS-MBS682

Product Desciption

Features

Equivalent to Burgmann MBS682

API 682 Category 2 and 3, Type C,Arrangement 1 seal

Single seal

Balanced

Cartridge unit

Rotating metal bellows

Shrink fitted seal ring and solid mating ring

 

Operating range

Pressure single ply bellows: p = vacuum ... 25 bar (... 363 PSI)*

Pressure double ply bellows: p = vacuum ... 35 bar (... 508 PSI)

Temperature: t = -75 °C ... +400 °C (-103 °F ... +752 °F)

Sliding velocity: vg ... 23 m/s (... 75 ft/s)

Viscosity: ... 1,000 mPas

Solids content: ... 0.5 wt.%

* p >20 bar (290 PSI) on request.

 

Materials

Seal ring: Blister resistant carbon,Silicon carbide SSiC (Q1), RBSiC (Q2)

Mating ring:Silicon carbide SSiC (Q1), RBSiC (Q2)

Bellows: Inconel® 718 (M6)

Secondary seals: Graphite (G)

Metal parts: CrNiMo steel 316 (G),

Carpenter® 42 (T4)