截止阀又称截门阀,属于强制密封式阀门,所以在阀门关闭时,必须向阀瓣施加压力,以强制密封面不泄漏。当介质由阀瓣下方进入阀门时,操作力所需要克服的阻力,是阀杆和填料的摩擦力与由介质的压力所产生的推力,关阀门的力比开阀门的力大,所以阀杆的直径要大,否则会发生阀杆顶弯的故障。按连接方式分为三种:法兰连接、丝扣连接、焊接连接。从自密封的阀门出现后,截止阀的介质流向就改由阀瓣上方进入阀腔,这时在介质压力作用下,关阀门的力小,而开阀门的力大,阀杆的直径可以相应地减少。同时,在介质作用下,这种形式的阀门也较严密。我国阀门“三化给”曾规定,的流向,一律采用自上而下。开启时,阀瓣的开启高度,为公称直径的25%~30%时.流量已达到zui大,表示阀门已达全开位置。所以的全开位置,应由阀瓣的行程来决定。
(stop valve,Globe Valve)的启闭件是塞形的阀瓣,密封上面呈平面或海锥面,阀瓣沿阀座的中心线作直线运动。阀杆的运动形式,(通用名称:暗杆),也有升降旋转杆式可用于控制空气、水、蒸汽、各种腐蚀性介质、泥浆、油品、液态金属和放射性介质等各种类型流体的流动。因此,这种类型的截流阀门非常适合作为切断或调节以及节流用。由于该类阀门的阀杆开启或关闭行程相对较短,而且具有非常可靠的切断功能,又由于阀座通口的变化与阀瓣的行程成正比例关系,非常适合于对流量的调节。
结构特点与用途Strucure features and usages:
1、全关时手轮按顺时针方向旋转;
2、可以安装在管道的任何位置上,介质从下往上流;
3、不锈钢适用于各类腐蚀性介质的管道上,有良好的防腐性和足够的强度;
4、合金钢适用于耐高温的蒸汽、油品管道上,具有耐高温特点。
1.When fully closed,the handwheel rotates clockwise.
2.Able to be mounted on any position of the pipeline,the medium flows from down to up.
3.Stainless steel made stop valve is of good anti-corrosive property and enough strength and suitable for various pipelines with corrosive medium.
4.Alloy steel made stop valve features high-temperature resistance,suitable for high-temperature steam and oil goods pipelines.
主要尺寸及重量Main dimensions and weight
试验压力Test pressure
公称压力PN(MPa)Nominal pressure | 1.6 | 2.5 | 4.0 | 6.4 | 10.0 | 16.0 |
壳体强度试验Shell strength test | 2.4 | 3.8 | 6.0 | 9.6 | 15 | 24 |
上密封试验Back seal test | 1.8 | 2.8 | 4.4 | 7.0 | 11 | 18 |
密封试验Seal test | 1.8 | 2.8 | 4.4 | 7.0 | 11 | 18 |
使用范围Scope of use
产品类型Product classification | 适用介质Suitable medium | 适用温度(℃)Suitable temperature |
J41(H.Y)-C型 J941(H.Y)-C型 | 水、蒸汽、油品Water,steam,oilgoods | ≤425℃ ≤450℃ |
J41W-P型 J941W-P型 | 硝酸类Nitric acid | ≤200℃ |
J41W-R弄 | 醋酸类Acetic acid | ≤200℃ |
J41Y-I型 J941Y-I型 | 水、蒸汽、油品Water,steam,oilgoods | ≤550℃ |
主要零件材料Material for main parts
产品类型Product classification
| 零件名称Part name | |||||||
阀体、阀盖Body bonnet | 阀杆Valve stem | 阀瓣 Disc | 密封面Sealing face | 阀杆螺母Yoke nut | 填料Packing | 紧固件Fastener | 手轮Handwheel | |
J41(H.Y)-C型 J941(H.Y)-C型
| 25、WCB | 铬不锈钢Cr.Stainless steel | 2Cr13 25 | H:不锈钢 Y:钴基硬质合金钢 H:Stainless steel Y:Co-based carbide alloy steel | 铝青铜Albronze | 柔性石墨Flexible graphite | 优质碳钢 High-grade carbon steel | 可锻铸铁Forgeable cast-iron |
J41W-P型 J941W-P型 | 铬镍钛钢Cr.Ni.Ti steel | 铬镍钛钢Cr.Ni.Ti steel | 铬镍钛钢Cr.Ni.Ti steel | 铬镍钛钢Cr.Ni.Ti steel | 铝青铜Albronze | 柔性石墨Flexible graphite | 不锈钢Stainless steel | 可锻铸铁Forgeable cast-iron |
J41W-R型 | 铬镍钼钛钢Cr.Ni.Mo.Ti steel | 铬镍钼钛钢Cr.Ni.Mo.Ti steel | 铬镍钼钛钢Cr.Ni.Mo.Ti steel | 铬镍钼钛钢Cr.Ni.Mo.Ti steel | 铝青铜Albronze | 柔性石墨Flexible graphite | 不锈钢Stainless steel | 可锻铸铁Forgeable cast-iron |
J41Y-I型 J941Y-I型 | 铬钼钢 Cr.Mo steel | 铬钼钢 Cr.Mo steel | 合金钢 Alloy steel | 钴基硬质合金钢 C0-based carbide alloy steel | 铝青铜Albronze | 柔性石墨Flexible graphite | 合金钢 Alloy steel | 可锻铸铁Forgeable cast-iron |
主要尺寸和重量Main dimensions and weight
公称通径DN Nominal diameter | 主要外形尺寸和连接尺寸(mm)Main external and connecting dimensions | 重量(kg)Weight | ||||||||
L | D | D1 | D2 | b | f | z-d | H | D0 | ||
J41(H.Y.B)-16C J41W-16P J41W-16R J41Y-16I | ||||||||||
10 | 130 | 90 | 60 | 40 | 14 | 2 | 4-14 | 198 | 120 | 4.7 |
15 | 130 | 95 | 65 | 45 | 16 | 2 | 4-14 | 218 | 120 | 5.2 |
20 | 150 | 105 | 75 | 55 | 16 | 2 | 4-14 | 258 | 140 | 7.1 |
25 | 160 | 115 | 85 | 65 | 16 | 2 | 4-14 | 275 | 160 | 7.4 |
32 | 180 | 135 | 100 | 78 | 18 | 2 | 4-18 | 280 | 180 | 8.5 |
40 | 200 | 145 | 110 | 85 | 18 | 3 | 4-18 | 330 | 200 | 12.5 |
50 | 230 | 160 | 125 | 100 | 18 | 3 | 4-18 | 350 | 240 | 20 |
65 | 290 | 180 | 145 | 12 | 18 | 3 | 4-18 | 400 | 280 | 25 |
80 | 310 | 195 | 160 | 135 | 20 | 3 | 8-18 | 355 | 280 | 35 |
100 | 350 | 215 | 180 | 155 | 22 | 3 | 8-18 | 415 | 320 | 50 |
125 | 400 | 245 | 210 | 185 | 24 | 3 | 8-18 | 460 | 360 | 75 |
150 | 480 | 280 | 240 | 210 | 24 | 3 | 8-23 | 510 | 400 | 100 |
200 | 600 | 335 | 295 | 265 | 26 | 3 | 12-23 | 710 | 400 | 210 |
250 | 650 | 405 | 355 | 320 | 30 | 3 | 12-23 | 786 | 450 | 446 |
300 | 750 | 460 | 410 | 375 | 30 | 3 | 12-23 | 925 | 500 | 648 |
主要尺寸及重量Main dimensions and weight
公称通径DN Nominal diameter | J41(H.Y.B)-25 J41W-25P J41W-25R J41Y-25I J941(H.Y)-25 J941W-25P J941W-25R J941Y-25I | ||||||||||||
主要外形尺寸和连接尺寸(mm)Main external and connecting dimensions | 电动装置 Electric dewice | 重量(kg) Weight | |||||||||||
L | D | D1 | D2 | b | f | z-d | H手 | H电 | D0 | 手动 Hand | 电动 Electric | ||
10 | 130 | 90 | 60 | 4 | 16 | 2 | 4-14 | 198 | 120 | 4.9 | |||
15 | 130 | 95 | 65 | 45 | 16 | 2 | 4-14 | 218 | 120 | 5.4 | |||
20 | 150 | 105 | 75 | 55 | 16 | 2 | 4-14 | 258 | 140 | 7 | |||
25 | 160 | 115 | 85 | 65 | 16 | 2 | 4-14 | 275 | 160 | 7.4 | |||
32 | 180 | 135 | 100 | 78 | 18 | 2 | 4-18 | 280 | 180 | 8.5 | |||
40 | 200 | 145 | 110 | 85 | 18 | 3 | 4-18 | 330 | 200 | 12.5 | |||
50 | 230 | 160 | 125 | 100 | 20 | 3 | 4-18 | 350 | 645 | 240 | DZW101 | 16 | 50 |
65 | 290 | 180 | 145 | 120 | 22 | 3 | 8-18 | 400 | 690 | 280 | DZW101 | 25 | 62 |
80 | 310 | 195 | 160 | 135 | 22 | 3 | 8-18 | 355 | 715 | 280 | DZW151 | 30 | 67 |
100 | 350 | 230 | 190 | 160 | 24 | 3 | 8-23 | 415 | 770 | 320 | DZW20 | 34.5 | 73 |
125 | 40 | 270 | 220 | 188 | 28 | 3 | 8-25 | 460 | 780 | 360 | DZW30 | 89 | 127 |
15 | 480 | 300 | 250 | 218 | 30 | 3 | 8-25 | 510 | 875 | 400 | DZW45 | 98 | 215 |
200 | 600 | 360 | 310 | 278 | 34 | 3 | 12-25 | 710 | 967 | 400 | DZW60 | 180 | 322 |
250 | 650 | 425 | 370 | 332 | 36 | 3 | 12-30 | 786 | 450 | 446 | |||
300 | 750 | 485 | 430 | 390 | 40 | 4 | 12-30 | 925 | 500 | 654 |
公称通径DN Nominal diameter | J41(H.Y)-40 J41W-40P J41W-40R J41Y-40I J941(H.Y)-40 J941W-40P J941W-40R J941Y-40I | ||||||||||||||
主要外形尺寸和连接尺寸(mm)Main external and connecting dimensions | 电动装置 Electric dewice | 重量(kg) Weight | |||||||||||||
L | D | D1 | D2 | D6 | b | f | f2 | z-d | H手 | H电 | D0 | 手动 Hand | 电动 Electric | ||
10 | 130 | 90 | 60 | 40 | 35 | 16 | 2 | 4 | 4-14 | 198 | 120 | 4.9 | |||
15 | 130 | 95 | 65 | 45 | 40 | 16 | 2 | 4 | 4-14 | 233 | 120 | 5.4 | |||
20 | 15 | 15 | 75 | 55 | 51 | 16 | 2 | 4 | 4-14 | 275 | 140 | 7 | |||
25 | 160 | 115 | 85 | 65 | 58 | 16 | 2 | 4 | 4-14 | 285 | 160 | 8.8 | |||
32 | 180 | 135 | 100 | 78 | 66 | 18 | 2 | 4 | 4-18 | 302 | 180 | 11.8 | |||
40 | 200 | 145 | 110 | 85 | 76 | 18 | 3 | 4 | 4-18 | 355 | 200 | 16.5 | |||
50 | 230 | 160 | 125 | 100 | 88 | 20 | 3 | 4 | 4-18 | 373 | 645 | 240 | DZW101 | 24 | 61 |
65 | 290 | 180 | 145 | 120 | 110 | 22 | 3 | 44 | 8-18 | 408 | 690 | 280 | DZW101 | 33 | 75 |
80 | 310 | 195 | 160 | 135 | 121 | 22 | 3 | 4 | 8-18 | 436 | 715 | 320 | DZW201 | 44 | 84 |
100 | 350 | 230 | 190 | 160 | 15 | 24 | 3 | 4.5 | 8-23 | 480 | 770 | 360 | DZW301 | 60 | 101 |
125 | 400 | 270 | 220 | 188 | 176 | 28 | 3 | 4.5 | 8-25 | 558 | 782 | 400 | DZW45 | 89 | 207 |
150 | 480 | 300 | 250 | 218 | 204 | 30 | 3 | 4.5 | 8-25 | 611 | 875 | 400 | DZW60 | 98 | 226 |
200 | 600 | 375 | 320 | 282 | 260 | 38 | 3 | 4.5 | 12-30 | 720 | 1160 | 400 | DZW901 | 190 | 339 |
主要尺寸及重量Main dimensions and weight
公称通径DN Nominal diameter | 主要外形尺寸和连接尺寸(mm)Main external and connecting dimensions | 电动装置Electric dewice | 重量(kg)Weight | ||||||||||||
L | D | D1 | D2 | D6 | b | f | f2 | z-d | H手 | H电 | D0 | 手动Hnad | 电动Electric | ||
J41(H.Y)-64 J941(H.Y)-64 J41Y-64I J941Y-64I | |||||||||||||||
10 | 170 | 100 | 70 | 50 | 35 | 18 | 2 | 4 | 4-14 | 198 | 120 | 5.7 | |||
15 | 170 | 105 | 75 | 55 | 41 | 18 | 2 | 4 | 4-14 | 195 | 140 | 10 | |||
20 | 190 | 125 | 90 | 68 | 51 | 20 | 2 | 4 | 4-18 | 228 | 160 | 13 | |||
25 | 210 | 135 | 100 | 78 | 58 | 22 | 2 | 4 | 4-18 | 275 | 180 | 14.5 | |||
32 | 230 | 150 | 110 | 82 | 66 | 24 | 2 | 4 | 4-23 | 325 | 200 | 19 | |||
40 | 260 | 165 | 125 | 95 | 76 | 24 | 3 | 4 | 4-23 | 360 | 240 | 25 | |||
50 | 300 | 175 | 135 | 105 | 88 | 26 | 3 | 4 | 8-23 | 410 | 710 | 280 | DZW10 | 35 | 64 |
65 | 340 | 200 | 160 | 130 | 110 | 28 | 3 | 4 | 8-23 | 450 | 750 | 320 | DZW15 | 48 | 77 |
80 | 380 | 210 | 170 | 140 | 121 | 30 | 3 | 4 | 8-23 | 485 | 785 | 360 | DZW30 | 56 | 88 |
100 | 430 | 250 | 200 | 168 | 150 | 32 | 3 | 4 | 8-25 | 537 | 837 | 400 | DZW45 | 125 | 171 |
125 | 500 | 295 | 240 | 202 | 176 | 36 | 3 | 4 | 8-30 | 631 | 400 | 131 | |||
150 | 550 | 340 | 280 | 240 | 204 | 38 | 3 | 4 | 8-34 | 646 | 450 | 157 | |||
200 | 650 | 405 | 345 | 300 | 260 | 44 | 3 | 4 | 12-34 | 813 | 500 | 283 | |||
J41(H.Y)-100 J941(H.Y)-100 J41Y-100I J941Y-100I | |||||||||||||||
10 | 170 | 100 | 70 | 50 | 35 | 20 | 2 | 4 | 4-14 | 198 | 120 | 6 | |||
15 | 170 | 105 | 75 | 55 | 40 | 20 | 2 | 4 | 4-14 | 202 | 140 | 11 | |||
20 | 190 | 125 | 90 | 68 | 51 | 22 | 2 | 4 | 4-18 | 228 | 160 | 13.2 | |||
25 | 210 | 135 | 100 | 78 | 58 | 24 | 2 | 4 | 4-18 | 250 | 180 | 14 | |||
32 | 230 | 150 | 110 | 82 | 66 | 24 | 2 | 4 | 4-23 | 326 | 220 | 15 | |||
40 | 260 | 165 | 125 | 95 | 76 | 26 | 3 | 4 | 4-23 | 359 | 240 | 29 | |||
50 | 300 | 195 | 145 | 112 | 88 | 28 | 3 | 4 | 4-25 | 414 | 710 | 280 | DZW15 | 49 | 82 |
65 | 340 | 220 | 170 | 138 | 110 | 32 | 3 | 4 | 8-25 | 434 | 750 | 320 | DZW201 | 65 | 104 |
80 | 380 | 230 | 180 | 148 | 121 | 34 | 3 | 4 | 8-25 | 547 | 785 | 400 | DZW30 | 95 | 138 |
100 | 430 | 265 | 210 | 172 | 150 | 38 | 3 | 4.5 | 8-30 | 621 | 837 | 450 | DZW45 | 115 | 243 |
125 | 500 | 310 | 250 | 210 | 176 | 42 | 3 | 4.5 | 8-34 | 732 | 450 | 149 | |||
150 | 550 | 350 | 290 | 250 | 204 | 46 | 3 | 4.5 | 12-34 | 84 | 500 | 310 | |||
200 | 650 | 430 | 360 | 312 | 260 | 54 | 3 | 4.5 | 12-41 | 925 | 550 | 590 | |||
J41(H.Y)-160 | |||||||||||||||
15 | 170 | 110 | 75 | 52 | 40 | 24 | 2 | 4 | 4-18 | 148 | 140 | 12.2 | |||
20 | 190 | 130 | 90 | 65 | 51 | 26 | 2 | 4 | 4-23 | 156 | 160 | 15 | |||
25 | 210 | 140 | 100 | 72 | 58 | 28 | 2 | 4 | 4-23 | 125 | 180 | 17 | |||
32 | 230 | 165 | 115 | 85 | 66 | 30 | 2 | 4 | 4-25 | 200 | 200 | 21.4 | |||
40 | 260 | 175 | 125 | 92 | 76 | 32 | 3 | 4 | 4-27 | 231 | 240 | 32 | |||
50 | 300 | 215 | 165 | 132 | 88 | 36 | 3 | 4 | 8-25 | 262 | 250 | 52 | |||
65 | 340 | 245 | 190 | 152 | 110 | 44 | 3 | 4 | 8-30 | 303 | 320 | 69 | |||
80 | 380 | 260 | 205 | 168 | 121 | 46 | 3 | 4 | 8-30 | 341 | 400 | 98 | |||
100 | 430 | 300 | 240 | 200 | 150 | 48 | 3 | 4.5 | 8-34 | 485 | 450 | 119 |