|  一 、主要零件材料 | | 部件 | 材质 | | 1 | 阀体 | CF8/CF8M | | 2 | 球 | CF8M | | 3 | 阀座 | RPTFE | | 4 | 阀盖 | CF8/CF8M | | 5 | 阀杆 | 304 | | 6 | 填料 | PTFE | | 7 | 压紧螺母 | 304 | | 8 | 手柄 | 304 | | 9 | 弹簧垫圈 | 304 | | 10 | 螺母 | 304 | | 11 | 手柄套 | ALUMNUM ALLOY | | 12 | 锁片 | 304 | 二、主要外形尺寸 | 公称通径(mm) | D | L | H | W | 重量(kg) | | 1/4〞 | 11.6 | 57 | 49 | 120 | 0.340 | | 3/8〞 | 12.7 | 57 | 49 | 120 | 0.320 | | 1/2〞 | 15 | 63.5 | 51 | 120 | 0.370 | | 3/4〞 | 20 | 75 | 58 | 130 | 0.645 | | 1〞 | 25 | 89 | 70 | 154 | 1.025 | | 1-1/4〞 | 32 | 99 | 80 | 154 | 1.560 | | 1-1/2〞 | 38 | 118 | 88 | 185 | 2.215 | | 2〞 | 50.8 | 136 | 97 | 185 | 3.760 | | 2-1/2〞 | 65 | 162 | 150 | 250 | 5.800 | | 3〞 | 80 | 190 | 160 | 250 | 11.920 | |