Teflon Bellow Seals Teflon PTB SERIES Stationary Ring : Ceramic/SIC Rotary Ring : Carbon/SIC/PTFE/GFT Bellow : PTFE Secondary Seal : PTFE Springs & Others Parts : AISI 316/AM 350/Hastelloy- C/Titanium. OPERATING LIMITS Temperature Max. 110o C Pressure 5 Bar Speed 4000 RPM Contact Us Enquire Now