|  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 | E | W2 | F | P | | 1/4″ | 11.6 | 65 | 48 | 120 | 28.5 | 14.1 | 10 | | 3/8″ | 12.7 | 65 | 48 | 120 | 28.5 | 17.6 | 10 | | 1/2″ | 15 | 67 | 54 | 120 | 28.5 | 21.8 | 10 | | 3/4″ | 20 | 82 | 57 | 130 | 35 | 27.4 | 13 | | 1″ | 25 | 91 | 72 | 154 | 35 | 34.1 | 13 | | 11/4″ | 32 | 108 | 79 | 154 | 38.1 | 42.8 | 16 | | 11/2″ | 38 | 129 | 81 | 185 | 38.1 | 42.8 | 18 | | 2″ | 50 | 148 | 97 | 185 | 38.1 | 61 | 18 | | 21/2″ | 65 | 164.5 | 130 | 250 | 58 | 77 | 18 | | 3″ | 80 | 182.5 | 148 | 250 | 70 | 89.9 | 20 | |