Air (lubricated or oil-free), any non-flammable, non-toxic, non-corrosive gasses except oxygen
Leakage:
Port to port (internal) not to exceed 0.30 cubic feet per minute at 100 PSIG
Operating Pressures:
28° Vacuum to 300 PSIG
Materials:
All housing parts aluminum die castings. Spool and sleeve 440F stainless steel, heat treated to 58-62 Rockwell C, and passivated. Sleeve O-Rings Buna N. Spacer and spring seat Delrin. Bumper urethane rubber.