Body : Astm a 351 Gr Cf8 / Cf8m Ball : Astm a 351 Gr Cf8 / Cf8m Stam : Aisi 304 / Aisi 316 Seat & Seals : Ptfe Blow Out Proof Stam : Floating Ball Full Bore Mfg Std : Generally Conforming to Bs 5351 Testing : Bs 6755 Press. Temp Rating : Conform to Table 3 of B 5351 Lever : Aisi 304 With Pvc Sleeve Ends : Flanged to Asa 150# Size Range : 8mm to 100mm