Profile •Double seal •Balanced •Independent of direction of rotation •Multiple springs
Double seals of the TKH74-D series have the same design-feature as the "TKH7N" family of single seals(easy-to-replace seal faces,ect.).Apart from the installation length of the drive collar,all fitting dimensions(d1<100mm)conform with DIN 24960.
Torque transmissiom
For d2¡Ý105mm:via 4 set screws with cone points(standard arrangement)
TKH74F-D Dimensions,item no¡¯s and descriptions as for TKH74-D,but with pumping screw (ltem no.1.4).Dependent on the direction of rotationl
Operating limits
d1=14...200mm 0.55"...8" p1=25(40)bar 360(580)PSI t=-50...200Degree -58F...430F (-20...180Degree) -4F...355F Vg=20m/s(10m/s*) 66(33)ft/s *)Limit for shrink-fitted carbide seal faces with d1¡Ý105mm Axial movement: d1¡Ü100mm¡À0.5mm d1£¾100mm¡À2.0mm
