Features
Dual seal
Good chemical resistance and ability to handle solids
In-house manufactured sliding parts 

Advantages
The LT-560D is a dual seal in a back-to-back arrangement
with an 560A base. Therefore, the seal combines the
advantages of the 560A with the advantages of a dual
seal. 

Operating range 
Shaft diameter: d1 = 13 ... 50 mm (0.51" ... 1.96")
Pressure: p1 = d 19 mm: 2 bar (29 PSI),
d 20 mm: 3 bar (44 PSI),
vacuum ... 0.1 bar (1.45 PSI)
Temperature: t = 20 C ... +70 C (4 F ... 158 F)
Sliding velocity: vg = 5 m/s (16 ft/s)
Axial movement: 1.0 mm 

Materials 
Seal face: Carbon graphite resin impregnated (B),
Silicon carbide (Q1, Q2)
Seat: Aluminium oxide (V), Silicon carbide (Q1, Q2)
Elastomer: NBR (P), FKM (V)
Metal parts: 1.4301 (F)