A5B

Mechanical Seals – Mechanical seals for pumps – Pusher seals

For plain shafts, Single seal, Unbalanced, Super-Sinus-spring, Independent of direction of rotation

Shaft diameter:

d1 = 14 ... 100 mm (0.55 " … 3.94 ")

Pressure:

p1 = 25 bar (363 PSI)

Temperature:

t = -50 °C ... +220 °C (-58 °F ... +428 °F)

Sliding velocity:

 vg = 20 m/s (66 ft/s)

Axial movement:

d1 = up to 25 mm: ±1.0 mm
d1 = 28 up to 63 mm: ±1.5 mm
d1 = from 65 mm: ±2.0 mm

Seal face:

 Silicon carbide (Q1)

Seat G9:

Carbon graphite antimony impregnated (A), Carbon graphite resin impregnated (B), Silicon carbide (Q1)
Seat G4, G6 (Q1), Seat G13 (A, B)

Secondary seals: EPDM (E), FKM (V), FFKM (K)
Springs: CrNiMo steel (G)
Metal parts: CrNiMo steel (G), Duplex (G1)

EN 12756

WRAS

UBA(KTW)

Pulp and paper industry, Process industry, Lube oils, Low solids content media, Chemical industry, Water and waste water technology, Shipbuilding, Chemical standard pumps, Circulation of printing colors with viscosity 500 ... 15,000 mm2/s, Vertical screw pumps, Gear wheel feed pumps, Multistage pumps (drive side), Water / sewage water pumps