Double seal/Unbalanced/Independent of direction of rotation/Multiple Spring
Double seals in
the HQ-74-D series have the same design-feature as the “HQ7” 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 to DIN 24960.
d1=14 ~ 200mm 0.55”~ 8”
t= -50°C ~ 220°C -58°F ~ 430°F
-20°c ~ 180°c -4°f ~ 355°f
Limit for shrink-fitted carbide seal faces with d1≥105mm