焊接连接的截止阀适用于公称压力PN20.0～32.0Mpa及P(54)100V～P(57)170V，工作温度≤540℃(其中P(57)170V工作温度为570℃)的石油、化工、水力、火力电站等各种工况的管路上，切断或接通介质。适用介质为：水、油品、蒸汽等。操作方式有：手动、齿轮传动、电动等。
主要性能和使用范围
| 产品型号 | 公称压力PN(MPa) | 试验压力(MPa) | 工作压力(MPa) | 工作温度(℃) | 适用介质 | |||||||
| 壳体强度 | 密封 | P54 | P55 | P57 | ||||||||
| 10 | 15 | 11 | / | / | / | ≤450(425) | 水、蒸汽、油品 | ||||
| 20 | 30 | 22 | / | / | / | ||||||
| 25 | 38 | 28 | / | / | / | ||||||
| 32 | 48 | 36 | / | / | / | ||||||
| J61Y-P54100V | / | 30 | 12.5 | 10 | / | / | ≤540 | 蒸汽 | ||||
| J61Y-P54140V | / | 38 | 17.5 | 14 | / | / | ||||||
| J61Y-P54170V | / | 53 | 21.3 | 17 | / | / | ||||||
| J61Y-P55100V | / | 38 | 12.5 | / | 10 | / | ≤550 | |||||
| J61Y-P55140V | / | 48 | 17.5 | / | 14 | / | ||||||
| J61Y-P55170V | / | 53 | 21.3 | / | 17 | / | ||||||
| J61Y-P57100V | / | 48 | 12.5 | / | / | 10 | ≤570 | |||||
| J61Y-P57140V | / | 55 | 17.5 | / | / | 14 | ||||||
| J61Y-P57170V | / | 60 | 21.3 | / | / | 17 | ||||||
主要零件材料
| 零件名称 | 阀体 | 阀盖 | 阀杆 | 阀瓣 | 密封面 | 填料 | 阀杆螺母 | 手轮 | 紧固件 |
| J61H型 | 25 | 25 | 铬不锈钢 | 铬不锈钢 | 铬不锈钢 | 柔性石墨 | 铝青铜 | 可锻铸铁 | 优质碳钢 |
| J61Y型 | 25 | 25 | 铬不锈钢 | 25 | 硬质合金 | ||||
| J61Y-P54型 | 12Cr1MoV | 12Cr1MoV | 20Cr1Mo1VA | 12Cr1MoV | 硬质合金 | ||||
| J61Y-P55型 | 12Cr1MoV | 12Cr1MoV | 20Cr1Mo1VA | 12Cr1MoV | 硬质合金 | ||||
| J61Y-P57型 | 12Cr1MoV | 12Cr1MoV | 20Cr1Mo1VA | 12Cr1MoV | 硬质合金 |
主要性能和使用范围
| 产品型号 | 公称压力PN(MPa) | 试验压力(MPa) | 工作压力(MPa) | 工作温度(℃) | 适用介质 | |||||||
| 壳体 | 密封 | P54 | P55 | P57 | ||||||||
| 10 | 15 | 11 | / | / | / | ≤450 | 水、蒸汽、油品 | ||||
| 20 | 30 | 22 | / | / | / | ||||||
| 25 | 38 | 28 | / | / | / | ||||||
| 32 | 48 | 36 | / | / | / | ||||||
| J961Y-P54100V | / | 30 | 12.5 | 10 | / | / | ≤540 | 蒸汽 | ||||
| J961Y-P54140V | / | 38 | 17.5 | 14 | / | / | ||||||
| J961Y-P54170V | / | 48 | 21.3 | 17 | / | / | ||||||
| J961Y-P55100V | / | 38 | 12.5 | / | 10 | / | ≤550 | |||||
| J961Y-P55140V | / | 48 | 17.5 | / | 14 | / | ||||||
| J961Y-P55170V | / | 53 | 21.3 | / | 17 | / | ||||||
| J961Y-P57100V | / | 48 | 12.5 | / | / | 10 | ≤570 | |||||
| J961Y-P57140V | / | 55 | 17.5 | / | / | 14 | ||||||
| J961Y-P57170V | / | 60 | 21.3 | / | / | 17 | ||||||
主要尺寸
| 公称通径 | 主要外形尺寸和连接尺寸(mm) | |||||||||
| L | D1 | D2 | D3 | α | H | |||||
| ||||||||||
| 15 | 150 | 17 | 36 | / | 37.5° | 518 | ||||
| 20 | 135 170 | 22 | 42 | / | 37.5° | 518 | ||||
| 25 | 135 170 | 26 | 42 | / | 37.5° | 518 | ||||
| 32 | 170 180 | 31 | 44 | / | 37.5° | 560 | ||||
| 40 | 230 | 38 | 60 | / | 37.5° | 545 | ||||
| 50(1) | 250 | 50 | 82 | / | 32° | 728 | ||||
| 50(2) | 320 350 | 50 | 82 | / | 32° | 748 | ||||
| 65 | 370 260 | 69 | 100 | 110 | 32° | 829 | ||||
| 80 | 400 430 470 | 84 | 108 | 130 | 32° | 898 | ||||
| 100 | 455 560 | 107 | 144 | 165 | 32° | 913 | ||||
| 125 | 600 | 124 | 170 | 184 | 32° | 1182 | ||||
| 150 | 700 | 146 | 180 | 212 | 32° | 1278 | ||||
| J961Y-P55100V、P55140V、P55170V J961Y-P57100V、 P57140V、 P57170V | ||||||||||
| 15 | 150 | 17 | 40 | / | 37.5° | 518 | ||||
| 20 | 135 170 | 22 | 46 | / | 37.5° | 518 | ||||
| 25 | 135 170 | 26 | 46 | / | 37.5° | 518 | ||||
| 32 | 170 180 | 31 | 49 | / | 37.5° | 560 | ||||
| 40 | 230 | 38 | 60 | / | 37.5° | 545 | ||||
| 50(1) | 250 | 50 | 90 | / | 32° | 728 | ||||
| 50(2) | 320 350 | 50 | 90 | / | 32° | 748 | ||||
| 65 | 370 260 | 69 | 104 | 110 | 32° | 829 | ||||
| 80 | 400 430 470 | 84 | 110 | 140 | 32° | 898 | ||||
| 100 | 455 560 | 107 | 148 | 170 | 32° | 913 | ||||
| 125 | 600 | 124 | 170 | 184 | 32° | 1182 | ||||
| 150 | 700 | 146 | 180 | 212 | 32° | 1278 | ||||
