Ball valve: Feature type : 1-pc, 2-pc, 3-pc design, top entry, 3-way, multi port jacketing construction, fire safe design, teflon lined. Scating : ptfe teflon, glass filled teflon, metal, seated. Size range : screwed ends : 6mm to 100mm flanged ends : 15mm to 400mm & above on request pressure rating : 150#, 300#, 400#, 600#, 800#, 900# 1500#, 2500# ends : flanged ends, screwed ends, socket weld ends, butt-weld ends mfg. Std.: bs - 5351, api - 6d testing : bs-6755-i & ii, api-6d Material of construction : cast carbon steel (astm a 216 gr. Wcb, astm a 217 gr. Wc6, wc9), cast iron (is 210 gr. Fg. 220), forged steel (astm a 105, astm 182 gr. F22, f304, f316), cast stainless steel (astm a 351 gr. Cf8, cf8m, cf3, cf3m), alloy 20 to astm a 351 gr. Cn7m, copper, monel.