*Body: C. I, D. I, carbon steel, stainless steel, Al-Bronze
*Disc: Nickel-plated DI, stainless steel, Al-Bronze, nickel copper alloy, DI+epoxy coated, PTFE coated, nylon coated, rubber coated.
*Seat: Rubber(refer to the sheet of seat materials).
*Stem: Stainless steel.
*Bushing: Glass backed PTFE, luberized bronze.
*"O" Ring: NBR, EPDM, Viton.
*Pin: Stainless steel.

*Washer: Stainless steel, carbon steel.
*Bearing: Bearing steel.
*Bolt: Stainless steel, carbon steel
*Spring washer: Stainless steel, carbon steel.
*End cover: C. I, D. I, carbon steel, stainless steel, AL-Bronze(same as body corresponding material standard)
*Key: Carbon steel.
*Lever: Malleable cast iron, aluminum, carbon steel.
*Gear: Cast iron, aluminum.