The PTFE sleeve serves as the seat for the valve plug thus eliminating contact of two metal surfaces. Turning effort is low and galling is avoided. The design also permits the use of any body/plug material combination. Positive shut-off is ensured and the valves are free from regular maintenance.
Chemical & Petrochemical
ASTM A216 WCB – ASTM A351 – CF8, CF8M, CF3, CF3M
Other materials available include: Hastelloy B or C, Monel, Alloy 20
Pressure and Temperature
Max Operating Press. Class 150 (275 psig) … Class 300 (720)
Temp. –20 to 100 °F
Size 1/2″ up to 12″