End face spring inner seal PTFE seals polytetrafluoroethylene add Carbon Fiber Graphite V-spring 316 factory customized sales OTPLKH
End face spring inner seal PTFE seals polytetrafluoroethylene add Carbon Fiber Graphite V-spring 316 factory customized sales OTPLKH
- Product Code： ptc-577a-p567p-17x21.55x2.1mm
