Drive:Hand lever、Worm Wheel、Electric、Pneumatic

Material:

Body：Allumium Alloy/ Cast Steel/ Stainless Steel

Disc：Stainless Steel/ Ductile Iron Plated Nickel Phosphor/ Dutile Iron Nylon Coating/ SG Iron Rubber/ 316L/ two-way stainless steel

Stem：416SS/ 316SS/ 304SS/ carbon steel plated Nickel Phosphor

Seat：NBR / EPDM/ silicon rubber / heat-resisting

EPDM/ wearproof EPDM

Standard:JIS