1 : Body: Stainless Steel AISI 316L (1.4404)
2 : Command Sleeve: Stainless Steel AISI 316L (1.4404)
3 : Valve: Stainless Steel AISI 316L (1.4404)
4 : Springs: Stainless Steel AISI 302
5 : Balls: Stainless Steel AISI 420
6 : Seals: FPM
7 : Plugs: Stainless Steel AISI 316L (1.4404)