[球閥]
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一、產品特點
V型球閥是一種芯閥座采用金屬,或金屬對聚四氟乙烯密封配合的旋轉球閥,它將球閥和蝶閥的控制特性結合成一體,既可用作控制調節(jié)閥,又可作關斷切斷閥。其主要特點是:不帶任何管接頭的整體式閥體,因此不受管道或螺栓應力影響,并且由于閥體無任何管接頭,故耐壓殼體不會受壓力“突變”的影響;具有一個V型閥體,即使在小流量或高粘度介質的情況下,也可在整個量程范圍內,保證控制的精性;防漏耐用的閥座在其外徑處襯有帶不銹鋼內芯PTFE杯形或是O型密封圈,閥座用截面較大的鎢鈷硬質合金制成,通過一個合金的波紋彈簧進一步增強了閥座的結構;當閥門關閉時,V型缺口與閥座之間產生楔形剪切作用,并既具有自潔功能又可防止球芯卡死,特別適用于高粘度、懸浮液、紙漿等不干凈、含纖維介質場合。
技術參數(shù)
| 公稱壓力 | 常溫 | 殼 體 | 氣密封 | 高壓密封 |
| 1.6 | 1.6 | 2.4 | 0.6 | 1.76 |
| 2.5 | 2.5 | 3.8 | 0.6 | 2.75 |
| 4.0 | 4.0 | 6.0 | 0.6 | 4.4 |
| 6.4 | 6.4 | 9.6 | 0.6 | 7.1 |
| Class150 | 2.0 | 3.0 | 0.6 | 2.2 |
| Class300 | 5.0 | 7.5 | 0.6 | 5.5 |
相關尺寸(MM)
| 公稱壓力 | 公稱通徑 | 尺 寸(mm) | |||||||||||
| d1 | L | D | D1 | D2 | D6 | f | f2 | b | Z-φd | H1 | H2 | ||
| 1.6 | 25 | 25 | 150 | 115 | 85 | 65 | - | 2 | - | 14 | 4-14 | - | 75 |
| 32 | 32 | 165 | 135 | 100 | 78 | - | 2 | - | 16 | 4-18 | - | 105 | |
| 40 | 40 | 180 | 145 | 110 | 85 | - | 3 | - | 16 | 4-18 | - | 95 | |
| 50 | 50 | 200 | 160 | 125 | 100 | - | 3 | - | 16 | 4-18 | - | 107 | |
| 65 | 65 | 220 | 180 | 145 | 120 | - | 3 | - | 18 | 4-18 | - | 142 | |
| 80 | 80 | 250 | 195 | 160 | 135 | - | 3 | - | 20 | 8-18 | - | 152 | |
| 100 | 100 | 280 | 215 | 180 | 155 | - | 3 | - | 20 | 8-18 | - | 178 | |
| 125 | 125 | 320 | 245 | 210 | 185 | - | 3 | - | 22 | 8-18 | - | 252 | |
| 150 | 150 | 360 | 280 | 240 | 210 | - | 3 | - | 24 | 8-23 | - | 272 | |
| 200 | 200 | 400 | 335 | 295 | 265 | - | 3 | - | 26 | 12-23 | - | 342 | |
| 2.5 | 25 | 25 | 150 | 115 | 85 | 65 | - | 2 | - | 16 | 4-14 | - | 75 |
| 32 | 32 | 165 | 135 | 100 | 78 | - | 2 | - | 18 | 4-18 | - | 85 | |
| 40 | 40 | 180 | 145 | 110 | 85 | - | 3 | - | 18 | 4-18 | - | 95 | |
| 50 | 50 | 200 | 160 | 125 | 100 | - | 3 | - | 20 | 4-18 | - | 107 | |
| 65 | 65 | 220 | 180 | 145 | 120 | - | 3 | - | 22 | 8-18 | - | 142 | |
| 80 | 80 | 250 | 195 | 160 | 135 | - | 3 | - | 24 | 8-18 | - | 152 | |
| 100 | 100 | 280 | 230 | 190 | 160 | - | 3 | - | 28 | 8-23 | - | 178 | |
| 125 | 125 | 320 | 270 | 220 | 188 | - | 3 | - | 30 | 8-25 | - | 252 | |
| 150 | 150 | 360 | 300 | 250 | 218 | - | 3 | - | 34 | 8-25 | - | 272 | |
| 200 | 200 | 400 | 360 | 310 | 278 | - | 3 | - | 34 | 12-25 | - | 342 | |
| 4.0 | 25 | 25 | 150 | 115 | 85 | 65 | 58 | 2 | 4 | 16 | 4-14 | - | 75 |
| 32 | 32 | 180 | 135 | 100 | 78 | 66 | 2 | 4 | 18 | 4-18 | - | 107 | |
| 40 | 40 | 200 | 145 | 110 | 85 | 76 | 3 | 4 | 18 | 4-18 | - | 95 | |
| 50 | 50 | 220 | 160 | 125 | 100 | 88 | 3 | 4 | 20 | 4-18 | - | 107 | |
| 65 | 65 | 250 | 180 | 145 | 120 | 110 | 3 | 4 | 22 | 8-18 | - | 142 | |
| 80 | 80 | 280 | 195 | 160 | 135 | 121 | 3 | 4 | 22 | 8-18 | - | 152 | |
| 100 | 100 | 320 | 230 | 190 | 160 | 150 | 3 | 4.5 | 24 | 8-23 | - | 178 | |
| 125 | 125 | 400 | 270 | 220 | 188 | 176 | 3 | 4.5 | 28 | 8-25 | - | 252 | |
| 150 | 150 | 400 | 300 | 250 | 218 | 204 | 3 | 4.5 | 30 | 8-25 | - | 272 | |
| 200 | 200 | 502 | 375 | 320 | 282 | 260 | 3 | 4.5 | 38 | 12-30 | - | 342 | |