The valve seals are machined from a Moly Glass filled PTFE plastic(Rulon or equivalent). This material is used for its ability to withstand wear and is ideal for the RA vacuum seals. (PV value - 8000 to 10,000)
For a detailed assembly drawing of SA-RA-10005, CLICK HERE TO DOWNLOAD THE PDF then save to your computer or print for reference.
This assembly is used in both SA-RA-1003 & SA-RA-1100 Feed Cylinder Assemblies.