Double –acting rotary seal,PTFE piston seal. Mainly used in application with alternating pressure from one side of the seal to the other ,good chemical and thermal resistance. Mainly used for swivel joints in engineering mechanics and metallurgy mechanics.

Application:

Used for axle head seal of rotary axle

Advantage：

Used for wide medium and temperature range, excellent seal performance

Material：

PU or PTFE+NBR or FKM