Description

DU Bush(PVB**3) is a kind of DU bushing special designed for pumps. Hydraulic self lubricating bearing has common structure with other DU bush. It's also called oil free bushes, plain sliding bearing, teflon bushes, PTFE coated bushings and pump bearing.
Material structure:
PTFE with lead 0.*1~0.*3mm as sliding layer
Porous bronze 0.2~0.3mm
Steel backing 0.7~2.3mm
Tin-plating 0.**5mm or copper plating 0.**8mm
Characteristics:
New type material which is designed on the basic of PVB**0 oiless bearing
Low friction under oil lubricated condition.
Wear resistant and anti-impact.
Particularly applied for the high PV condition, at hydrodynamic lubrication, similar performance with DP4 bushing
Availability:
Standard cylindrical bushing, thrust washers and strips are available.
Special designs are produced at short time
Lead free bushing is also available
Applications:
PVB**3 self-lubricating bushing is the best choice for all kinds of gear pumps plunger pumps, vane pumps and so on.