柱塞截止閥結合柱塞閥的無泄漏有點和截止閥啟閉快的特點，成為一種結構新穎，用途廣泛的新產品。其*性遠勝于普通截止閥。柱塞截止閥是由閥體、閥蓋、閥桿，柱塞，導向、密封環、手輪等零件組成。
| 公稱壓力PN Nominal pressure | 1.6 | 25 | 4.0 | 6.4 | 10.0 | MPa |
| 殼體試驗壓力Shell test pressure | 2.4 | 3.75 | 6.0 | 9.6 | 15.0 | |
| 高壓密封試驗壓力High pressure seat test | 1.76 | 2.75 | 4.4 | 7.04 | 11.0 | |
| 低壓氣密封試驗壓力Low pressure seat test | 0.5～0.7 | |||||
| 適用介質Applicable medium | C水、油品、蒸汽 P硝酸類 R醋酸類 Water,oil,steam Nitric acid Acetic acid | |||||
| 適用溫度Applicable temperature | ≤200℃ | |||||
主要尺寸及重量Main dimensions and weight
U41S U41F U41SF U41SM U41X US41S
| PN | DN | L | H | D | D1 | D2 | b | f | z-φd | 重量(kg) |
| 1.6MPa | 15 | 130 | 128 | 95 | 65 | 45 | 14 | 2 | 4-14 | 3 |
| 20 | 150 | 165 | 105 | 75 | 55 | 16 | 2 | 4-14 | 5 | |
| 25 | 160 | 190 | 115 | 85 | 65 | 16 | 2 | 4-14 | 7 | |
| 32 | 180 | 216 | 135 | 100 | 78 | 18 | 2 | 4-18 | 8 | |
| 40 | 200 | 236 | 245 | 110 | 85 | 18 | 3 | 4-18 | 12 | |
| 50 | 230 | 250 | 160 | 125 | 100 | 20 | 3 | 4-18 | 16 | |
| 65 | 290 | 255 | 180 | 145 | 120 | 20 | 3 | 4-18 | 22 | |
| 80 | 310 | 255 | 195 | 160 | 135 | 22 | 3 | 8-18 | 27 | |
| 100 | 350 | 259 | 215 | 180 | 155 | 24 | 3 | 8-18 | 40 | |
| 125 | 400 | 352 | 245 | 210 | 185 | 26 | 3 | 8-18 | 72 | |
| 150 | 480 | 362 | 280 | 240 | 210 | 28 | 3 | 8-23 | 97 | |
| 200 | 600 | 385 | 335 | 295 | 265 | 30 | 3 | 12-23 | 205 | |
| 2.5MPa | 15 | 130 | 133 | 95 | 65 | 45 | 16 | 2 | 4-14 | 4 |
| 4.0MPa | 20 | 150 | 178 | 105 | 75 | 55 | 16 | 2 | 4-14 | 6 |
| 25 | 160 | 180 | 115 | 85 | 65 | 16 | 2 | 4-14 | 7 | |
| 32 | 180 | 195 | 135 | 100 | 78 | 18 | 2 | 4-18 | 10 | |
| 40 | 200 | 220 | 145 | 110 | 85 | 18 | 3 | 4-18 | 13 | |
| 50 | 230 | 250 | 160 | 125 | 100 | 20 | 3 | 4-18 | 17 | |
| 65 | 290 | 272 | 180 | 145 | 120 | 22 | 3 | 8-18 | 24 | |
| 80 | 310 | 275 | 195 | 160 | 135 | 22 | 3 | 8-18 | 33 | |
| 100 | 350 | 312 | 230 | 190 | 160 | 24 | 3 | 8-23 | 49 | |
| 125 | 400 | 365 | 270 | 220 | 188 | 28 | 3 | 8-25 | 87 | |
| 150 | 480 | 410 | 300 | 250 | 218 | 30 | 3 | 8-25 | 115 | |
| 200 | 600 | 450 | 360/375 | 310/320 | 278/282 | 34/38 | 3 | 12-25/30 | 210 | |
| 6.4MPa | 15 | 170 | 145 | 105 | 75 | 55 | 18 | 2 | 4-14 | 5 |
| 20 | 190 | 195 | 125 | 90 | 68 | 20 | 2 | 4-18 | 7 | |
| 25 | 210 | 202 | 135 | 100 | 78 | 22 | 2 | 4-18 | 8 | |
| 32 | 230 | 226 | 150 | 110 | 82 | 24 | 2 | 4-23 | 12 | |
| 40 | 260 | 239 | 165 | 125 | 95 | 24 | 3 | 4-23 | 15 | |
| 50 | 300 | 265 | 175 | 135 | 105 | 26 | 3 | 4-23 | 19 | |
| 65 | 340 | 287 | 200 | 160 | 130 | 28 | 33 | 8-23 | 26 | |
| 80 | 380 | 301 | 210 | 170 | 140 | 30 | 3 | 8-23 | 37 | |
| 100 | 430 | 346 | 250 | 200 | 168 | 32 | 3 | 8-25 | 55 | |
| 10.0MPa | 15 | 170 | 145 | 105 | 75 | 55 | 20 | 2 | 4-14 | 82 |
| 20 | 190 | 195 | 125 | 90 | 68 | 22 | 2 | 4-18 | 7 | |
| 25 | 210 | 202 | 135 | 100 | 78 | 24 | 2 | 4-18 | 8 | |
| 32 | 230 | 226 | 150 | 110 | 82 | 24 | 2 | 4-23 | 12 | |
| 40 | 260 | 239 | 165 | 125 | 95 | 26 | 3 | 4-23 | 15 | |
| 50 | 300 | 265 | 175 | 145 | 112 | 28 | 3 | 4-25 | 19 | |
| 65 | 340 | 287 | 220 | 170 | 138 | 32 | 3 | 8-25 | 26 | |
| 80 | 380 | 301 | 230 | 180 | 148 | 34 | 3 | 8-25 | 37 | |
| 100 | 430 | 346 | 265 | 210 | 172 | 38 | 3 | 8-30 | 55 |
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