NPT/DIN/BSP/BW/SW ITEM PARTS MATERIAL 1 BODY A182 F304/F316 ASTM A105 2 CAP A182 F304/F316 3 BALL A182 F304/F316 4 SEAT RPTFE/PEEK / DELRIN 5 SEAL RTFE 6 STEM ASTM A276-304/316 7 THRUST WASHER PTFE / CTFE 8 PACKING 9 GLAND...