|  一 、主要零件材料 | | 部 件 | 材 质 | | 1 | 阀体 | CF8/CF8M | | 2 | 阀盖 | CF8/CF8M | | 3 | 阀座(甲) | RPTFE | | 4 | 垫圈 | 304 | | 5 | 螺母 | 304 | | 6 | 阀杆 | 304/316 | | 7 | 手柄 | 304 | | 8 | 弹簧垫圈 | 304 | | 9 | 阀座(乙) | RPTEE | | 10 | 球 | GF8M | | 11 | 手柄套 | PLASTIC | 二、主要外形尺寸 | 公称通径(mm) | D | L | H | W | 重量(kg) | | 1/4 〞 | 4.6 | 39 | 22 | 80 | 0.070 | | 3/8 〞 | 6.8 | 44 | 26 | 84 | 0.115 | | 1/2〞 | 9.2 | 56 | 31 | 88 | 0.175 | | 3/4〞 | 12.5 | 59 | 34 | 88 | 0.255 | | 1〞 | 15 | 71 | 38 | 105 | 0.395 | | 1-1/4〞 | 20 | 78 | 43 | 105 | 0.680 | | 1-1/2〞 | 25 | 83 | 50 | 124 | 0.805 | | 2〞 | 32 | 100 | 57 | 124 | 1.315 | |