This ball valves are suitable for temperature upto 200 c and are high used in chemical & pharma industry.
PTFE Teflon sheet:
PTFE teflon sheets are available in various sizes form 0.5mm to 50mm thk. In width of 300 x 300, 600 x600, & 1 mtr. X 1mtr.
Ptfe teflon rods
Ptfe teflon rods are available from 6mm dia to 500mm dia in pure teflon and various filled grades