DU SF-1 PTFE coated Oilless Bearing Bushing for butterfly valve
Stainless steel backing PTFE coated Oilless self-lubricating bearing bushing for butterfly valve fly type valve
This kind of bushing bearing is in thin wall design to fit for valve shaft and body.It is in material of stainless steel and oilless dry self-lubricating with long running life and maintenance free.
Also PTFE material can provide a good sealing function, as this material normally being used as water sealing material for pipes, tubes, washer, valve etc.
Check more information here
