截止阀的启闭件是塞形的阀瓣，密封面呈平面或锥面，阀瓣沿流体的中心线作直线运动。阀杆的运动形式，有升降杆式（阀杆升降，手轮不升降），也有升降旋转杆式（手轮与阀杆一起旋转升降，螺母设在阀体上）。截止阀只适用于全开和全关，不允许作调节和节流。
伞齿轮焊接截止阀J561Y性能规范
| 阀体材料 | 公称压力（MPa） | 工作温度（℃） | 适用介质 |
| 碳钢 | 10.0 | ≤425 | 水、油品、蒸汽 |
| 不锈钢 | P | 10.0 | ≤200 | |
| R | |
| 铬钼钢 | 10.0 | ≤550 | 油品、蒸汽 |
伞齿轮焊接截止阀J561Y规格主要尺寸 公称压力
PN | 公称通径
DN | 主要连接尺寸 | Z43外形尺寸 |
| L | D | D1 | D2 | D6 | b | f | f1 | Z-φd | H | D0 |
| 1.6MPa | 15 | 130 | 95 | 65 | 45 | - | 14 | 2 | - | 4-14 | 119 | 75 |
| 20 | 150 | 105 | 75 | 55 | - | 14 | 2 | - | 4-14 | 120 | 75 | 75 |
| 25 | 160 | 115 | 85 | 65 | - | 14 | 2 | - | 4-14 | 126 | 75 | 75 |
| 32 | 180 | 135 | 100 | 78 | - | 15 | 2 | - | 4-18 | 160 | 120 | 120 |
| 40 | 200 | 146 | 110 | 85 | - | 16 | 2 | - | 4-18 | 168 | 120 | 120 |
| 50 | 230 | 160 | 125 | 100 | - | 16 | 3 | - | 4-18 | 194 | 160 | 160 |
| 65 | 290 | 180 | 145 | 120 | - | 18 | 3 | - | 4-18 | - | - | - |
| 80 | 310 | 195 | 160 | 135 | - | 20 | 3 | - | 8-18 | - | - | - |
| 100 | 350 | 215 | 180 | 155 | - | 20 | 3 | - | 8-18 | - | - | - |
| 125 | 400 | 245 | 210 | 185 | - | 22 | 3 | - | 8-18 | - | - | - |
| 150 | 480 | 280 | 240 | 210 | - | 24 | 3 | - | 8-23 | - | - | - |
| 2.5MPa | 15 | 130 | 95 | 65 | 45 | - | 16 | 2 | - | 4-14 | 230 | 120 |
| 20 | 150 | 105 | 75 | 55 | - | 16 | 2 | - | 4-14 | 275 | 140 |
| 25 | 160 | 115 | 85 | 65 | - | 16 | 2 | - | 4-14 | 295 | 160 |
| 32 | 180 | 135 | 100 | 78 | - | 18 | 2 | - | 4-18 | 335 | 160 |
| 40 | 200 | 145 | 110 | 85 | - | 18 | 3 | - | 4-18 | 380 | 200 |
| 50 | 230 | 160 | 125 | 100 | - | 20 | 3 | - | 4-18 | 398 | 240 |
| 65 | 290 | 180 | 145 | 120 | - | 22 | 3 | - | 8-18 | 433 | 280 |
| 80 | 310 | 195 | 160 | 135 | - | 22 | 3 | - | 8-18 | 468 | 320 |
| 100 | 350 | 230 | 190 | 160 | - | 24 | 3 | - | 8-23 | 520 | 360 |
| 125 | 400 | 270 | 220 | 188 | - | 28 | 3 | - | 8-25 | 556 | 400 |
| 150 | 480 | 300 | 250 | 218 | - | 30 | 3 | - | 8-25 | 674 | 400 |
| 200 | 600 | 360 | 310 | 278 | - | 34 | 3 | - | 12-25 | 806 | 450 |
| 250 | 650 | 425 | 370 | 332 | - | 36 | 3 | - | 12-30 | 880 | 550 |
| 300 | 750 | 485 | 430 | 390 | - | 40 | 4 | - | 16-34 | 995 | 800 |
